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Name of parent drug:
Lacidipine

Lacidipine Impurity C
Lacidipine Impurity C

Diethyl (Z)-4-{2-[2-(tert-butoxycarbonyl)vinyl]phenyl}-1,4- dihydro-2,6-dimethylpyridine-3,5-dicarboxylate

Catalogue No : VL2840001

CAS No : N/A

Lacosamide EP Impurity C
Lacosamide EP Impurity C

(2E)-N-benzyl-3-methoxy-2-(N-methylacetamido)-propanamide

Catalogue No : VL1250008

CAS No : -

Lacosamide N-desacetyl impurity
Lacosamide N-desacetyl impurity

(R)-2-Amino-N-benzyl-3-methoxypropionamide; (R)-2-Amino-3-methoxy-N-(phenylmethyl)-propanamide

Catalogue No : VL1250013

CAS No : N/A

Lacosamide 2-Acetyl amino 3-methoxy-N(2-Methyl benzoyl prompanamide)
Lacosamide 2-Acetyl amino 3-methoxy-N(2-Methyl benzoyl prompanamide)

2-acetamido-3-methoxy-N-(2-methylbenzyl)propanamide

Catalogue No : VL1250024

CAS No : N/A

Lacosamide Impurity 2
Lacosamide Impurity 2

(Acetoxymethyl)benzene

Catalogue No : VL1250021

CAS No : N/A

Lacosamide Impurity A
Lacosamide Impurity A

Lacosamide(S)-Isomer;(S)-2-(Acetylamino)-3-methoxy-N- (phenylmethyl)propanamide

Catalogue No : VL1250010

CAS No : 175481-37-5

Lacosamide Impurity K
Lacosamide Impurity K

2-acetamido-N-benzylprop-2-enamide

Catalogue No : VL1250019

CAS No : 86921-49-5

Lacosamide EP Impurity J
Lacosamide EP Impurity J

Phenylmethanamine

Catalogue No : VL1250018

CAS No : 100-46-9

Lacosamide EP Impurity B
Lacosamide EP Impurity B

2-(E)-acetamido-3-(benzylamino)-3-oxopropyl acetate

Catalogue No : VL1250012

CAS No : N/A

Lacosamide EP Impurity G
Lacosamide EP Impurity G

N-benzylacetamide

Catalogue No : VL1250015

CAS No : 588-46-5

Lacosamide Impurity I
Lacosamide Impurity I

(2E)-N-benzyl-2-[(benzylcarbamoyl)amino]-3-methoxypropanamide

Catalogue No : VL1250017

CAS No : N/A

Lacosamide EP Impurity F / Lacosamide O- Desmethyl Impurity
Lacosamide EP Impurity F / Lacosamide O- Desmethyl Impurity

(2E)-2-acetamido-N-benzyl-3-hydroxypropanamide

Catalogue No : VL1250011

CAS No : 175481-38-6

Lacosamide EP Impurity E
Lacosamide EP Impurity E

(2E)-2-amino-N-benzyl-3-hydroxypropanamide

Catalogue No : VL1250014

CAS No : 175481-39-7

Lacosamide EP Impurity H
Lacosamide EP Impurity H

(2E)-2-acetamido-N-[(2E)-1-(benzylamino)-3-methoxy-1-oxopropan-2-yl]-3-methoxypropanamide

Catalogue No : VL1250016

CAS No : 1375090-19-9

Lamivudine EP Impurity G / Lamivudine S-Sulfoxide
Lamivudine EP Impurity G / Lamivudine S-Sulfoxide

4-Amino-1-[(2R,3S,5S)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl] pyrimidin-2(1H)-one S-oxide

Catalogue No : VL12003

CAS No : 160552-55-6

Lamivudine Enantiomer / Lamivudine EP Impurity D
Lamivudine Enantiomer / Lamivudine EP Impurity D

4-Amino-1-[(2S,5R)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl]pyrimidin-2(1H)-one

Catalogue No : VL12006

CAS No : 134680-32-3

Lamivudine Carboxylic Acid Impurity
Lamivudine Carboxylic Acid Impurity

(2R,5S)-5-(4-Amino-2-oxopyrimidin-1(2H)-yl)-1,3-oxathiolane-2- carboxylic acid

Catalogue No : VL12002

CAS No : 173829-09-9

Lamivudine Diastereomer / Lamivudine EP Impurity B
Lamivudine Diastereomer / Lamivudine EP Impurity B

4-Amino-1-[(2S,5S)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl]-2(1H)-pyrimidinone

Catalogue No : VL12007

CAS No : N/A

Lamotrigine Impurity / 3,5-Dichlorobenzoyl Cyanide
Lamotrigine Impurity / 3,5-Dichlorobenzoyl Cyanide

3,5-Dichlorophenyl(oxo)acetonitrile

Catalogue No : VL980015

CAS No : 99567-74-5

Lamotrigine Impurity / 6-(3,4-Dichlorophenyl)-1,2,4-triazine-3,5-diamine
Lamotrigine Impurity / 6-(3,4-Dichlorophenyl)-1,2,4-triazine-3,5-diamine

6-(3,4-Dichlorophenyl)-1,2,4-triazine-3,5-diamine

Catalogue No : VL980017

CAS No : 36518-85-1

Lamotrigine Impurity / 6-(3,5-Dichlorophenyl)-1,2,4-triazine-3,5-diamine
Lamotrigine Impurity / 6-(3,5-Dichlorophenyl)-1,2,4-triazine-3,5-diamine

6-(3,5-Dichlorophenyl)-1,2,4-triazine-3,5-diamine

Catalogue No : VL980016

CAS No : 881198-72-7

Lamotrigine Impurity (Lamotrigine Dimer impurity)
Lamotrigine Impurity (Lamotrigine Dimer impurity)

N,N’-[6-(2,3-Dichlorophenyl)-1,2,4-triazine-3,5-diyl]bis[2,3- Dichlorobenzamide

Catalogue No : VL980013

CAS No : 1373393-59-9

2,5 Dichloro Lamotrigine
2,5 Dichloro Lamotrigine

1,2,4-Triazine-3,5-diamine, 6-(2,5-dichlorophenyl)

Catalogue No : VL980019

CAS No : N/A

Lamotrigine EP Impurity E
Lamotrigine EP Impurity E

2,3-Dichlorobenzoic acid

Catalogue No : VL980010

CAS No : 50-45-3

2,3-Dichlorobenzoyl Cyanide / Lamotrigine Impurity
2,3-Dichlorobenzoyl Cyanide / Lamotrigine Impurity

2,3-Dichlorobenzoyl Nitrile

Catalogue No : VL980011

CAS No : 77668-42-9

Lamotrigine Impurity G
Lamotrigine Impurity G

6-(2,4-dichlorophenyl)-1,2,4-triazine-3,5-diamine

Catalogue No : VL980009

CAS No : 38943-76-9

Lamotrigine EP Impurity C / Z-Iminoguanidine Intermediate for Lamotrigine
Lamotrigine EP Impurity C / Z-Iminoguanidine Intermediate for Lamotrigine

6-(2,3-Dichlorophenyl)-3-imino-3,4-dihydro-1,2,4-triazin-5-amine

Catalogue No : VL980006

CAS No : 94213-23-7

Lamotrigine EP Impurity B / E-Isomer of Iminoguanidine For Lamotrigine
Lamotrigine EP Impurity B / E-Isomer of Iminoguanidine For Lamotrigine

2-Cyano-2-[(3,4-dichlorophenyl)hydrazono]acetamide

Catalogue No : VL980007

CAS No : 94213-24-8

Lamotrigine EP Impurity D / Dioxo Lamotrigine
Lamotrigine EP Impurity D / Dioxo Lamotrigine

6-(2,3-Dichlorophenyl)-1,2,4-triazine-3,5(2H,4H)-dione; Dioxo Lamotrigine

Catalogue No : VL980008

CAS No : 661463-79-2

Lamotrigine Impurity / N2-Methyllamotrigine
Lamotrigine Impurity / N2-Methyllamotrigine

6-(2,3-dichlorophenyl)-3-imino-2-methyl-1,2,4-triazin-5-amine

Catalogue No : VL980012

CAS No : 98410-29-8

Lansoprazole EP Impurity D/1H-Benzimidazol-2-ol/2-Hydroxybenzimidazole
Lansoprazole EP Impurity D/1H-Benzimidazol-2-ol/2-Hydroxybenzimidazole

1,3-Dihydro-2H-benzimidazol-2-one; 2-Benzimidazolinone; 2,3-Dihydro-2-oxo-1Hbenzimidazole; 2-Benzimidazolol; 2-Benzimidazolone; N,N’ -(1,2-Phenyleneurea);

Catalogue No : VL92003

CAS No : 131926-99-3

Lansoprazole Acid Impurity
Lansoprazole Acid Impurity

3-methyl-4-((trifluoromethoxy)methyl)picolinic acid

Catalogue No : VL92002

CAS No : N/A

Lansoprazole N-Oxide / Lansoprazole EP Impurity A
Lansoprazole N-Oxide / Lansoprazole EP Impurity A

2-[[[3-Methylpyridinyl] methyl]sulfinyl]-1H-benzimidazole

Catalogue No : VL92001

CAS No : 213476-12-1

Latanoprost Related Compound D
Latanoprost Related Compound D

Isopropyl (Z)-7-{(1R,2R,3R,5S)-2-[(R)-5-phenyl-3-(triethylsilyloxy)pentyl]- 3,5-bis(triethylsilyloxy)cyclopentyl}hept-5-enoate

Catalogue No : VL93002

CAS No : 477884-78-9

Latanoprost Related Compound E
Latanoprost Related Compound E

((Z)-7-[(1R,2R,3R,5S)-3,5-dihydroxy-2-[(3R)-3-hydroxy-5-phenylpentyl]cyclopentyl]-5-heptenoic acid)

Catalogue No : VL93003

CAS No : 41639-83-2

Leflunomide Inhouse Impurity
Leflunomide Inhouse Impurity

3-hydroxy-N-[4-(trifluoromethyl)phenyl] propanamide

Catalogue No : VL1060015

CAS No : N/A

Leflunomide Impurity C
Leflunomide Impurity C

5-methyl-N-(3-(trifluoromethyl) phenyl) isoxazole-4-carboxamide

Catalogue No : VL1060001

CAS No : 61643-23-0

Leflunomide Impurity A
Leflunomide Impurity A

4-(trifluoromethyl) aniline

Catalogue No : VL1060002

CAS No : 455-14-1

Leflunomide Impurity B
Leflunomide Impurity B

N-(4-Trifluoromethylphenyl)-2-cyano-3-hydroxycrotonamide

Catalogue No : VL1060003

CAS No : 163451-81-8

Leflunomide Impurity D
Leflunomide Impurity D

5-Methylisoxazole-4-carboxylic acid

Catalogue No : VL1060004

CAS No : 42831-50-5

Leflunomide Impurity E
Leflunomide Impurity E

3-methyl-N-(4-(trifluoromethyl) phenyl) isoxazole-4-carboxamide

Catalogue No : VL1060005

CAS No : 208401-20-1

Leflunomide Cyano Impurity
Leflunomide Cyano Impurity

2-Cyano-N-[4-(trifluoromethyl)phenyl]- acetamide

Catalogue No : VL1060007

CAS No : N/A

Leflunomide EP Impurity F
Leflunomide EP Impurity F

5-Methyl-N-[2-(trifluoromethyl)phenyl]-4-isoxazolecarboxamide

Catalogue No : VL1060008

CAS No : 1403564-06-6

Leflunomide EP Impurity G
Leflunomide EP Impurity G

5-Methyl-N-(4-methylphenyl)isoxazole-4-carboxamide

Catalogue No : VL1060009

CAS No : 724429-16-7

Leflunomide Metabolite Ethyl Analog
Leflunomide Metabolite Ethyl Analog


Catalogue No : VL1060017

CAS No : N/A

Levetiracetam R-Isomer / Levetiracetam EP Impurity D
Levetiracetam R-Isomer / Levetiracetam EP Impurity D

(2R-2-(2-Oxopyrrolidin-1-yl)butanamide)

Catalogue No : VL1280001

CAS No : 103765-01-1

Levetiracetam Carboxylic Acid Impurity
Levetiracetam Carboxylic Acid Impurity

(S)-2-(2-oxo-pyrrolidin-1-yl) butanoic acid

Catalogue No : VL1280003

CAS No : 67118-31-4

Levetiracetam D-Isomer / Levetiracetam EP Impurity D
Levetiracetam D-Isomer / Levetiracetam EP Impurity D

(2R-2-(2-Oxopyrrolidin-1-yl)butanamide)

Catalogue No : VL1280004

CAS No : 103765-01-1

Levocetirizine S-Isomer
Levocetirizine S-Isomer

(S)-2-[2-[4-[(4-Chlorophenyl)phenylmethyl]piperazin-1-yl]ethoxy]acetic acid dihydrochloride

Catalogue No : VL1550001

CAS No : 163837-48-7

Levocetirizine Impurity 6
Levocetirizine Impurity 6

N,N-Bis(2-chloroethyl)benzenesulfonamide

Catalogue No : VL1550002

CAS No : N/A

Levofloxacin Related Compound F
Levofloxacin Related Compound F

(S)-3,7-dihydro-3-methyl-10-(4-methylpiperazin-1-yl)-7-oxo-2H- [1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid

Catalogue No : VL860010

CAS No : 117620-85-6

Levofloxacin Decarboxy Impurity
Levofloxacin Decarboxy Impurity

(S)-9-fluoro-3-methyl-10-(4-methylpiperazin-1-yl)-2H-[1,4]oxazino [2,3,4-ij]quinolin-7(3H)-one

Catalogue No : VL860011

CAS No : 178964-53-9

Levofloxacin Related Compound C (Ethyl Ester)
Levofloxacin Related Compound C (Ethyl Ester)

Ethyl(S)-9fluoro-2,3-dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-7Hpyrido[ 1,2,3-de]-1,4-benzoxazine-6-carboxylate

Catalogue No : VL86006

CAS No : 177472-30-9

Levofloxacin Related Compound B/Levofloxacin Q-Acid
Levofloxacin Related Compound B/Levofloxacin Q-Acid

(S)-(-)-9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3- de]-1,4-benzoxazine-6-carboxylic Acid

Catalogue No : VL86005

CAS No : 100986-89-8

Levofloxacin Related Compound A (N-Desmethyl Impurity)
Levofloxacin Related Compound A (N-Desmethyl Impurity)

((S)-9-fluoro-3-methyl-10-(piperazin-1-yl)-7-oxo-2,3-dihydro-7H-pyrido[1,2,3- de][1,4]benzoxazine-6-carboxylic acid)

Catalogue No : VL86001

CAS No : 117707-40-1

Levofloxacin Diamine Impurity
Levofloxacin Diamine Impurity


Catalogue No : VL86007

CAS No : 1797099-76-3

Desfluoro Levofloxacin
Desfluoro Levofloxacin

(S)-2,3-Dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido(1,2,3-de)(1,4)benzoxazine-6-carboxylic acid

Catalogue No : VL86008

CAS No : 117620-85-6

Levofloxacin Impurity F (Levofloxacin N-oxide/Impurity-5)
Levofloxacin Impurity F (Levofloxacin N-oxide/Impurity-5)

4-[(3S)-6-carboxy-9-fluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4-benzoxazin-10-yl]methylpiperazine 1-oxide

Catalogue No : VL86002

CAS No : 117678-38-3

Levofloxacin Related Compound E / Levofloxacin EP Impurity 4
Levofloxacin Related Compound E / Levofloxacin EP Impurity 4

(3R)-9-(2-(methylamino)ethylamino)-8-fluoro-2,3,3a,6-tetrahydro-3-methyl-6-oxobenzo[de]chromene-5-carboxylic acid

Catalogue No : VL86003

CAS No : 1346603-62-0

Levofloxacin Formyl Impurity 4
Levofloxacin Formyl Impurity 4

(3R)-9-(2-(N-Formyl-methylamino)-(N-Formyl-ethylamino))-8-fluoro-2,3,3a,6-tetrahydro-3-methyl-6-oxobenzo[de]chromene-5-Carboxylic acid

Catalogue No : VL86004

CAS No : N/A

Levofloxacin Piperazine Analogue
Levofloxacin Piperazine Analogue

9-Fluoro-2,3-dihydro-3-methyl-10-(1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid

Catalogue No : VL86009

CAS No : 117707-40-1

Levofloxacin R-Isomer / Dextrofloxacin
Levofloxacin R-Isomer / Dextrofloxacin

(+)-(R)-9-Fluoro-2,3-dihydro-3-methyl-10-(4-methyl-1-piperazinyl)- 7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid

Catalogue No : VL860015

CAS No : 100986-86-5

Levosulpride EP Impurity A
Levosulpride EP Impurity A

((S)-1-ethylpyrrolidin-2-yl)methanamine

Catalogue No : VL580001

CAS No : 22795-99-9

Levothyroxine T4 Aldehyde / Levothyroxine EP Impurity I
Levothyroxine T4 Aldehyde / Levothyroxine EP Impurity I

4-(4-Hydroxy-3,5-diiodophenoxy)-3,5-diiodobenzaldehyde

Catalogue No : VL1320001

CAS No : 2016-06-0

Levothyroxine EP Impurity F/ Levothyroxine T6 Impurity (USP)
Levothyroxine EP Impurity F/ Levothyroxine T6 Impurity (USP)

(2S)-2-Amino-3-[4-[4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenoxy]-3,5-diiodophenyl]propanoic acid

Catalogue No : VL1320011

CAS No : 911661-90-0

Levothyroxine Impurity E (Impurity III)
Levothyroxine Impurity E (Impurity III)

(2S)-2-Amino-3-[4-(4-hydroxyphenoxy)-3,5-diiodophenyl]- propanoic acid.

Catalogue No : VL1320021

CAS No : 1041-01-06

Levothyroxine O-Methyl Impurity
Levothyroxine O-Methyl Impurity

2-amino-3-(4-(3, 5-diiodo-4-methoxyphenoxy)-3, 5-diiodophenyl) propanoic acid

Catalogue No : VL1320007

CAS No : N/A

3,5,3’,5’-Tetraiodo Thyrolactic Acid
3,5,3’,5’-Tetraiodo Thyrolactic Acid

3-[4-(4-Hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl]lactic Acid

Catalogue No : VL1320006

CAS No : 7069-47-8

Levothyroxine T4-Hydroxyacetic Acid Impurity
Levothyroxine T4-Hydroxyacetic Acid Impurity

2-hydroxy-2-(4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl) acetic acid

Catalogue No : VL1320010

CAS No : 93647-48-4

Levothyroxine EP Impurity C, T3-Acetic Acid (USP)
Levothyroxine EP Impurity C, T3-Acetic Acid (USP)

[4-(4-Hydroxy-3-iodophenoxy)-3,5-diiodophenyl]acetic acid

Catalogue No : VL1320009

CAS No : 51-24-1

Levothyroxine Impurity K / 3,3’,5’-Triiodo-L-Thyronine
Levothyroxine Impurity K / 3,3’,5’-Triiodo-L-Thyronine

(2S)-2-Amino-3-[4-(4-hydroxy-3,5-diiodophenoxy)-3-iodophenyl] propanoic acid

Catalogue No : VL1320013

CAS No : 5817-39-0

Levothyroxine N-Formyl Impurity / N-Formyl-T4 (USP)
Levothyroxine N-Formyl Impurity / N-Formyl-T4 (USP)

N-Formyl-O-(4-hydroxy-3,5-diiodophenyl)-3,5-diiodo-L-tyrosine

Catalogue No : VL1320014

CAS No : 671235-41-9

Levothyroxine N-Acetyl Impurity / N-Acetyl-T4 (USP)
Levothyroxine N-Acetyl Impurity / N-Acetyl-T4 (USP)

N-Acetyl-O-(4-hydroxy-3,5-diiodophenyl)-3,5-diiodo-L-tyrosine

Catalogue No : VL1320015

CAS No : 26041-51-0

Liothyronine / Levothyroxine EP Impurity A
Liothyronine / Levothyroxine EP Impurity A

(2S)-2-Amino-3-[4-(4-hydroxy-3-iodophenoxy)-3,5-diiodophenyl]propanoic acid

Catalogue No : VL1320016

CAS No : 6893-02-03

Levothyroxine N-Methylamide
Levothyroxine N-Methylamide

(S)-2-Amino-3-[4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl]-Nmethylpropanamide

Catalogue No : VL1320017

CAS No : 2088032-52-2

Levothyroxine T4 Amine O-Methyl /Levothyroxine O-Methyl-Tetraiodothyroethylamine
Levothyroxine T4 Amine O-Methyl /Levothyroxine O-Methyl-Tetraiodothyroethylamine

2-[4-(3,5-Diiodo-4-methoxyphenoxy)-3,5-diiodophenyl]ethanamine

Catalogue No : VL1320018

CAS No : N/A

Levothyroxine EP Impurity B
Levothyroxine EP Impurity B

(2S)-2-Amino-3-[4-(3-chloro-4-hydroxy-5-iodophenoxy)-3,5-diiodophenyl]propanoic acid

Catalogue No : VL1320012

CAS No : 1628720-66-0

Levothyroxine T4-Acetamide (USP)/Levothyroxine Acetamide Impurity
Levothyroxine T4-Acetamide (USP)/Levothyroxine Acetamide Impurity

2-(4-(4-Hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl)acetamide.

Catalogue No : VL1320002

CAS No : 176258-88-1

Lidocaine BP Impurity B / Lidocaine N-Oxide
Lidocaine BP Impurity B / Lidocaine N-Oxide

Lidocaine BP Impurity B/ Lidocaine N-Oxide

Catalogue No : VL1040011

CAS No : N/A

Lidocaine Related Compound H / Lidocaine BP Impurity H
Lidocaine Related Compound H / Lidocaine BP Impurity H

2-Chloro-N-(2,6-dimethylphenyl)acetamide

Catalogue No : VL1040014

CAS No : 1131-01-07

Lidocaine BP Impurity C
Lidocaine BP Impurity C

N-(2,6-Dimethylphenyl)acetamide

Catalogue No : VL1040003

CAS No : 2198-53-0

Lidocaine BP Impurity D
Lidocaine BP Impurity D

N-(2,6-Dimethylphenyl)-2-(ethylamino)acetamide HCl

Catalogue No : VL1040004

CAS No : 7729-94-4

Lidocaine BP Impurity F / Lidocaine 2,3-Dimethyl Analog
Lidocaine BP Impurity F / Lidocaine 2,3-Dimethyl Analog

2-(Diethylamino)-N-(2,3-dimethylphenyl) acetamide

Catalogue No : VL1040020

CAS No : 857170-72-0

Lidocaine BP Impurity G
Lidocaine BP Impurity G

N-(2,6-Dimethylphenyl)-2-[(1-methylethyl)amino]acetamide HC

Catalogue No : VL1040007

CAS No : 35891-87-3 (HCl salt)

Lidocaine EP Impurity A/ Lidocaine Related Compound A
Lidocaine EP Impurity A/ Lidocaine Related Compound A

2,6-Dimethylbenzenamine

Catalogue No : VL1040001

CAS No : 87-62-7

Lidocaine BP Impurity I / USP Lidocaine Impurity I / Lidocaine 2,4-Dimethyl Analog
Lidocaine BP Impurity I / USP Lidocaine Impurity I / Lidocaine 2,4-Dimethyl Analog

2-(Diethylamino)-N-(2,4-dimethylphenyl)acetamide

Catalogue No : VL1040008

CAS No : 17289-54-2

Lidocaine BP Impurity K / N-Desethyl-N-Methyl Lidocaine HCl
Lidocaine BP Impurity K / N-Desethyl-N-Methyl Lidocaine HCl

N-(2,6-Dimethylphenyl)-2-(ethylmethylamino)acetamide

Catalogue No : VL1040019

CAS No : 50295-20-0

Lidocaine Impurity J
Lidocaine Impurity J

2-(Diethylamino)-N-(2,5-dimethylphenyl)acetamide HCl

Catalogue No : VL1040009

CAS No : 1012864-23-1

N-Aminoacyl Linagliptin / Linagliptin Amino Acyl Impurity
N-Aminoacyl Linagliptin / Linagliptin Amino Acyl Impurity

(R)-1-(1-(7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquinazolin-2-yl) methyl)-2, 6-dioxo-2, 3, 6, 7-tetrahydro-1H-purin-8-yl) piperidin-3-yl) urea

Catalogue No : VL870003

CAS No : N/A

Linagliptin Related Compound A
Linagliptin Related Compound A

8-bromo-7-(but-2-yn-1-yl)-3-methyl-3,7-dihydro-1H-purine-2,6-dione

Catalogue No : VL870014

CAS No : N/A

Linagliptin Related Compound B
Linagliptin Related Compound B

tert-butyl (R)-(1-(7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)piperidin-3-yl)carbamate

Catalogue No : VL870015

CAS No : N/A

Linagliptin Impurity 7
Linagliptin Impurity 7

(R)-N-(2-acetylphenyl)-2-(8-(3-aminopiperidin-1-yl)-7-(but-2-yn-1-yl)-3-methyl-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-1-yl)acetamide

Catalogue No : VL870012

CAS No : N/A

Linagliptin Impurity 15
Linagliptin Impurity 15

(R)-N-(1-(7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)piperidin-3-yl)acetamide

Catalogue No : VL870013

CAS No : N/A

Linagliptin Bromo Impurity / LIP-2-E-Bromobutene
Linagliptin Bromo Impurity / LIP-2-E-Bromobutene

(R, E)-8-(3-aminopiperidin-1-yl)-7-(3-bromobut-2-en-1-yl)-3-methyl-1-((4- methylquinazolin-2-yl) methyl)-1H-purine-2, 6(3H, 7H)-dione

Catalogue No : VL870001

CAS No : 1446263-39-3

Liothyronine EP Impurity B
Liothyronine EP Impurity B

(2S)-2-Amino-3-(4-hydroxy-3,5-diiodophenyl)propanoic acid;

Catalogue No : VL1320034

CAS No : 300-39-0

Lisinopril EP Impurity E / Lisinopril R,S,S Isomer
Lisinopril EP Impurity E / Lisinopril R,S,S Isomer

2S)-1-[(2S)-6-Amino-2-[[(1R)-1-carboxy-3-phenylpropyl]amino]hexanoyl] pyrrole- 2-carboxylic acid

Catalogue No : VL600001

CAS No : 85955-59-5

Lisinopril EP Impurity F / Lisinopril Cyclohexyl analogue
Lisinopril EP Impurity F / Lisinopril Cyclohexyl analogue

(2S)-1-[(2S)-6-amino-2-[[(1S)-1-carboxy-3-cyclohexylpropyl]amino] hexanoyl]pyrrole-2-carboxylic acid

Catalogue No : VL600002

CAS No : 1132650-67-9

Lisinopril Impurity D / Lisinopril R, S, S – Diketopiperazine
Lisinopril Impurity D / Lisinopril R, S, S – Diketopiperazine

(2S)-2-[(3S,8aR)-3-(4-Aminobutyl)-1,4-dioxohexahydropyrrolo[1,2-a]pyrazin- 2(1H)-yl]-4-phenylbutanoic acid

Catalogue No : VL600005

CAS No : 219677-82-4

Lisinopril EP Impurity I / N-Alkyl Lisinopril
Lisinopril EP Impurity I / N-Alkyl Lisinopril

(2S)-1-[(2S)-2,6-Bis[[(1S)-1-Carboxy-3-phenylpropyl]- amino]hexanoyl]pyrrolidine- 2-carboxylic acid

Catalogue No : VL60010

CAS No : N/A

Lopinavir Related Compound C / Lopinavir Divalinate (USP)
Lopinavir Related Compound C / Lopinavir Divalinate (USP)

(2R)-N-[(1S,2S,4S)-1-Benzyl-2-hydroxy-4-[[(2S)-3-methyl2-[2-oxotetrahydro pyrimidin-1(2H)-yl]butanoyl]amino]5-phenylpentyl]-3-methyl-2-[2-oxotetra hydropyrimidin1(2H)-yl]butanamide

Catalogue No : VL1470007

CAS No : N/A

Loratadine USP Related Compound B
Loratadine USP Related Compound B

8-Chloro-6,11-dihydro-11-(1-methyl-4-piperidinylidene)-5H-benzo[5,6]cyclohepta[1,2-b]pyridine

Catalogue No : VL810006

CAS No : N/A

Loratadine USP Related Compound E
Loratadine USP Related Compound E

4,8-Dichloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2- b]pyridin-11-one

Catalogue No : VL810012

CAS No : N/A

Dehydro Loratadine Isomer - B Impurity
Dehydro Loratadine Isomer - B Impurity

Ethyl 4-(8-chloro-11H-benzo [5, 6] cyclohepta [1, 2-b] pyridine-11-ylidene) piperidine-1-carboxylate

Catalogue No : VL810002

CAS No : 133330-56-0

Hydroxy deacyl analog - Loratadine Impurity
Hydroxy deacyl analog - Loratadine Impurity

8-Chloro-5, 6-dihydro-11-hydroxy-11-(1-methylpiperidin-4-yl)-11H-benzo [5, 6] cyclohepta [1, 2-b] pyridine

Catalogue No : VL810003


Hydroxy Loratadine
Hydroxy Loratadine

Ethyl 4-(8-chloro-11-hydroxy-5, 6-dihydro-11Hbenzo [5, 6] cyclohepta [1, 2-b] pyridin-11-yl) piperidin-1-carboxylate

Catalogue No : VL810004


Lorcaserin S-isomer
Lorcaserin S-isomer

(S)-8-chloro-1-methyl-2,3,4,5-tetrahydro-1H-benzo[d]azepine hydrochloride

Catalogue No : VL3200001


Losartan Impurity B
Losartan Impurity B

(2’-(1H-tetrazol-5-yl)-[1,1’-biphenyl]-4-yl)methanol

Catalogue No : VL214009


Losartan Potassium Related Compound A
Losartan Potassium Related Compound A

4’-((2-butyl-4-chloro-formyl-1H-imidazol-1-yl)methyl)biphenyl-2-carbonitrile

Catalogue No : VL214001


Losartan Potassium Related Compound B
Losartan Potassium Related Compound B

4’-((2-butyl-4-chloro-5-(hydroxymethyl)-1H-imidazol-1-yl)methyl)biphenyl-2-carbonitrile

Catalogue No : VL214002


Losartan EP Impurity C
Losartan EP Impurity C

2-Butyl-5-chloro-1-[p-(o-1H-tetrazol-5- ylphenyl)benzyl]imidazole-4-methanol

Catalogue No : VL214022


Losartan Potassium Related Compound C
Losartan Potassium Related Compound C

(1-((2’ -(1H-tetrazol-5-yl)-[1,1’ -biphenyl]-4-yl)methyl)-2-butyl-5-chloro-1H-imidazol-4-yl)methanol

Catalogue No : VL214006

CAS No : 114799-13-2

Losartan Potassium Related Compound D
Losartan Potassium Related Compound D

2-butyl-4-chloro-1H-imidazole-5-carbaldehyde

Catalogue No : VL214005

CAS No : 83857-96-9

Losartan Potassium Related Compound J
Losartan Potassium Related Compound J

(1-((2’ -(2H-tetrazol-5-yl)biphenyl-4-yl)methyl)-2-butyl-4-chloro-1H-imidazol-5-yl)methyl acetate

Catalogue No : VL214004

CAS No : 1006062-27-6

Losartan Potassium Related Compound K
Losartan Potassium Related Compound K

1-((2’ -(2H-tetrazol-5-yl)biphenyl-4-yl)methyl)-2-butyl-4-chloro-1H-imidazole-5-carbaldehyde

Catalogue No : VL214003

CAS No : 1159977-26-0

Losartan Potassium Impurity M / 2H-Dimer
Losartan Potassium Impurity M / 2H-Dimer

(1-((2’ -(2-((1-((2’ -(1H-tetrazol-5-yl)-[1,1’ -biphenyl]-4-yl)methyl)-2-butyl-4-chloro-1H-imidazol-5-yl)methyl)-2H-tetrazol-5-yl)-[1,1’ -biphenyl]-4-yl)methyl)-2-butyl-4-chloro-1H-imidazol-5-yl)methanol

Catalogue No : VL214007


Losartan Potassium Impurity L / H-Dimer
Losartan Potassium Impurity L / H-Dimer

(1-((2’ -(1-((1-((2’ -(1H-tetrazol-5-yl)-[1,1’ -biphenyl]-4-yl)methyl)-2-butyl-4-chloro-1H-imidazol-5-yl)methyl)-1H-tetrazol-5-yl)-[1,1’ -biphenyl]-4-yl)methyl)-2-butyl-4-chloro-1H-imidazol-5-yl)methanol

Catalogue No : VL214008