Products

Impurities and Working Standards

The following products are in stock and can be immediately dispatched when an order confirmation is received. Also, any non-listed Impurities could be provided after request.

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

A

Aciclovir

Impurity A

Chemical Name: 2-[(2-Amino-6-oxo-1,6-dihydro-9H-purin-9-yl)methoxy]ethyl acetate
CAS No.: 102728-64-3
Cat. No.: BRI.ACV.A

Impurity F

Chemical Name: N-[9-[(2-Hydroxyethoxy)methyl]-6-oxo-6,9-dihydro-1H-purin-2-yl]acetamide
CAS No.: 110104-37-5
Cat. No.: BRI.ACV.F

Impurity G

Chemical Name: 2-[[2-(Acetylamino)-6-oxo-1,6-dihydro-9H-purin-9-yl]methoxy]ethyl acetate
(Diacetyl Aciclovir)
CAS No.: 75128-73-3
Cat. No.: BRI.ACV.G

Ambroxol

Impurity A

Chemical Name: (2-Amino-3,5-dibromophenyl)methanol
CAS No.: 50739-76-9
Cat. No.: BRI.AMB.A

Impurity B

Chemical Name: trans-4-(6,8-Dibromo-1,4-dihydroquinazolin-3(2H)-yl)cyclohexanol
CAS No.: 18683-95-9
Cat. No.: BRI.AMB.B

Impurity C

Chemical Name: trans-4-[[(E)-2-Amino-3,5-dibromobenzyliden]amino]-cyclohexanol
CAS No.: 50910-53-7
Cat. No.: BRI.AMB.C

Impurity D

Chemical Name: cis-4-[(2-Amino-3,5-dibromobenzyl)amino]cyclohexanol hydrochloride
CAS No.: 107814-37-9
Cat. No.: BRI.AMB.D

Impurity E

Chemical Name: 2-Amino-3,5-dibromobenzaldehyde
CAS No.: 50910-55-9
Cat. No.: BRI.AMB.E

Amlodipine Besylate

Impurity A

Chemical Name: 3-Ethyl 5-methyl (4RS)-4-(2-chlorophenyl)-2-[[2-(1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)ethoxy]methyl]-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate (Phthaloyl Amlodipine)
CAS No.: 88150-62-3
Cat. No.: BRI.AML.A

Impurity B

Chemical Name: 3-Ethyl 5-methyl (4RS)-4-(2-chlorophenyl)-6-methyl-2-[[2-[[2-(methylcarbamoyl)benzoyl]amino]-ethoxy]methyl]-1,4-dihydropyridine-3,5-dicarboxylate
CAS No.: 721958-72-1
Cat. No.: BRI.AML.B

Impurity D

Chemical Name: 3‐Ethyl 5‐methyl 2‐[(2‐aminoethoxy)methyl]‐4‐(2‐chlorophenyl)‐6‐ methylpyridine‐3,5‐dicarboxylate
CAS No.: 113994-41-5
Cat. No.: BRI.AML.D

Impurity G

Chemical Name: Dimethyl 4-(2-chlorophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate
CAS No.: 43067-01-2
Cat. No.: BRI.AML.G

Amoxicillin

Impurity A

Chemical Name: (2S,5R,6R)-6-Amino-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid (6-Aminopenicillanic acid)
CAS No.: 551-16-6
Cat. No.: BRI.AMX.A

Impurity H

Chemical Name: (2R)-2-[(2,2-Dimethylpropanoyl)amino]-2-(4-hydroxyphenyl)acetic acid
CAS No.: 205826-86-4
Cat. No.: BRI.AMX.H

Impurity I

Chemical Name: (2R)-2-Amino-2-(4-hydroxyphenyl)acetic acid
CAS No.: 22818-40-2
Cat. No.: BRI.AMX.I

Ampicillin

Impurity A

Chemical Name: (2S,5R,6R)-6-Amino-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid (6-Aminopenicillanic acid)
CAS No.: 551-16-6
Cat. No.: BRI.AMP.A

Impurity G

Chemical Name: (3R,6R)-3,6-Diphenylpiperazine-2,5-dione
CAS No.: 31485-02-6
Cat. No.: BRI.AMP.G

Impurity H

Chemical Name: 3-Phenylpyrazin-2-ol
(Diacetyl Aciclovir)
CAS No.: 73200-73-4
Cat. No.: BRI.AMP.H

Impurity K

Chemical Name: (2R)-2-[(2,2-Dimethylpropanoyl)amino]-2-phenylacetic acid
CAS No.: 40610-41-1
Cat. No.: BRI.AMP.K

Impurity L

Chemical Name: (2R)-2-Amino-2-phenylacetic acid (D-Phenylglycine)
CAS No.: 875-74-1
Cat. No.: BRI.AMP.L

Apixaban

Impurity 1

Chemical Name: 6-(4-Aminophenyl)-1-(4-methoxyphenyl)-7- oxo-4,5,6,7-tetrahydro-1H-pyrazolo[3,4- c]pyridine-3-carboxylic Acid Ethyl Ester
CAS No.: 503615-07-4
Cat. No.: BRI.APX.1

Aspirin

Impurity A

Chemical Name: 4-Hydroxybenzoic acid
CAS No.: 99-96-7
Cat. No.: BRI.ASP.A

Impurity B

Chemical Name: 4-Hydroxybenzene-1,3-dicarboxylic acid (4-Hydroxyisophthalic acid)
CAS No.: 636-46-4
Cat. No.: BRI.ASP.B

Impurity C

Chemical Name: 2-Hydroxybenzenecarboxylic acid (Salicylic acid)
CAS No.: 69-72-7
Cat. No.: BRI.ASP.C

Impurity D

Chemical Name: 2-[[2-(Acetyloxy)benzoyl]oxy]benzoic acid (Acetylsalicylsalicylic acid)
CAS No.: 530-75-6
Cat. No.: BRI.ASP.D

Impurity E

Chemical Name: 2-[(2-Hydroxybenzoyl)oxy]benzoic acid (Salicylsalicylic acid)
CAS No.: 552-94-3
Cat. No.: BRI.ASP.E

Impurity F

Chemical Name: 2-(Acetyloxy)benzoic anhydride
CAS No.: 1466-82-6
Cat. No.: BRI.ASP.F

Atenolol

Impurity A

Chemical Name: 2-(4´-Hydroxyphenyl)acetamide
CAS No.: 17194-82-0
Cat. No.: BRI.ATN.A

Impurity D

Chemical Name: 2-[4-[(2RS)-3-Chloro-2-hydroxypropoxy]phenyl]-acetamide
CAS No.: 115538-83-5
Cat. No.: BRI.ATN.D

Atorvastatin

Impurity H

Chemical Name: (4R,6R)-6-[2-[2-(4-Fluorophenyl)-5-(1-methylethyl)-3-phenyl-4-(phenylcarbamoyl)-1H-pyrrol-1-yl]ethyl]-4-hydroxytetrahydro-2H-pyran-2-one (Atorvastatin Lactone)
CAS No.: 125995-03-1
Cat. No.: BRI.ATR.H