Metabolites are produced during metabolism by breaking down of food, drugs, chemicals and tissues in the body. 

Amlodipine Methyl Monoester Impurity

Amlodipine Methyl Monoester Impurity

CAS Number
1809326-44-0
Amlodipine Maleate Adduct

Amlodipine Maleate Adduct

CAS Number
400602-35-9
70677-78-0

Dimethyl 2,6-Dimethyl-4-phenyl-1,4-dihydropyridine-3,5-dicarboxylate

CAS Number
70677-78-0
Amlodipine N-Galactopyranoside

Amlodipine N-Galactopyranoside

CAS Number
NA
C30H34ClN3O8

Hydroxyethyl Phthalyl Amlodipine

CAS Number
NA
34148-67-9

Diethyl 4-(2-chlorophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate

CAS Number
34148-67-9
C28H28N2O7

3-Ethyl 5-methyl (S)-2-((2-(1,3-dioxoisoindolin-2-yl)ethoxy)methyl)-6-methyl-4-phenyl-1,4-dihydropyridine-3,5-dicarboxylate

CAS Number
NA
Amlodipine Methyl Ester

Amlodipine Methyl Ester

CAS Number
NA
Cetirizine 4-Chlorobenzophenone Impurity (USP)

Cetirizine 4-Chlorobenzophenone Impurity (USP)

CAS Number
134-85-0
Cetirizine Impurity 2

Cetirizine Impurity -2

CAS Number
1391052-52-0
 [2-(2-Aminoethoxy)ethoxy]acetic Acid

[2-(2-Aminoethoxy)ethoxy]acetic Acid

CAS Number
134978-97-5
 Chlorphenamine Maleate - Impurity D (Freebase)

Chlorpheniramine Maleate - Impurity D (Freebase)

CAS Number
65676-21-3
Chlorpheniramine  API (Freebase)

Chlorpheniramine API (Freebase)

CAS Number
132-22-9
Chlorpheniramine N-Oxide

Chlorpheniramine N-Oxide

CAS Number
120244-82-8
Chlorphenamine Di-N-Oxide

Chlorphenamine Di-N-Oxide

CAS Number
NA
528851-31-2

Ciprofloxacin Hydrochloride - Impurity C (Hcl salt)

CAS Number
528851-31-2
93107-31-4

6,​7-​Dichloro-​1-​cyclopropyl-​1,​4-​dihydro-​4-​oxo-3-​quinolinecarboxylic acid

CAS Number
93107-31-4
86393-33-1

Ciprofloxacin Hydrochloride - Impurity A (Freebase)

CAS Number
86393-33-1
93107-11-0

Ciprofloxacin Hydrochloride - Impurity B (Freebase)

CAS Number
93107-11-0
 Impurity D

Ciprofloxacin Hydrochloride Impurity - D

CAS Number
133210-96-5(Freebase)
Alternate CAS Number
526204-10-4(HCl Salt)
105394-83-0

Ciprofloxacin Hydrochloride - Impurity E

CAS Number
105394-83-0
122224-30-0

1-Cyclopropyl-8-fluoro-4-oxo-7-(piperazin-1-yl)-1,4-dihydroquinoline-3-carboxylic Acid

CAS Number
122224-30-0
1267935-86-3

1-Cyclopropyl-6,7-dimethoxy-4-oxo-1,4-dihydroquinoline-3-carboxylic Acid

CAS Number
1267935-86-3
C15H17Cl2N3O3

6-(2-Aminoethylamino)-7-chloro-1- cyclopropyl-4-oxo-1,4-dihydroquinoline- 3-carboxylic Acid Hydrochloride

CAS Number
528851-30-1(Salt)
Alternate CAS Number
528851-85-6(Freebase)
93594-39-9

Formyl Ciprofloxacin

CAS Number
93594-39-9
Hcl salt

Ciprofloxacin Hydrochloride

CAS Number
93107-08-5
864443-44-7

N-Nitroso Ciprofloxacin

CAS Number
864443-44-7
N-Ethoxycarbonyl-ciprofloxacin

N-Ethoxycarbonyl-ciprofloxacin

CAS Number
93594-29-7
666714-64-3

5-(4-Fluorophenyl)-2-isopropyl-N,4-diphenyl-1H-pyrrole-3-carboxamide

CAS Number
666714-64-3
616201-27-5

ethyl 2-[(4R,6R)-6-[2-[2-(4-fluorophenyl)-3-phenyl-4-(phenylcarbamoyl)-5-propan-2-ylpyrrol-1-yl]ethyl]-2,2-dimethyl-1,3-dioxan-4-yl]acetate

CAS Number
616201-27-5
Atorvastatin 2,3,4,5-Dianhydro Acid

Atorvastatin 2,3,4,5-Dianhydro Acid

CAS Number
2588261-49-6 (free base); 2588261-50-9 (Ca salt)
Atorvastatin 3-Oxopropyl Impurity

Atorvastatin 3-Oxopropyl Impurity

CAS Number
110862-46-9
Atorvastatin Acetonide Methyl Ester

Atorvastatin Acetonide Methyl Ester

CAS Number
1353049-81-6
(3R,5R)-Atorvastatin Amide

(3R,5R)-Atorvastatin Amide

CAS Number
2125501-02-0

Atorvastatin Calcium Hydrate API

CAS Number
357164-38-6
113665-84-2

Clopidogrel - API Standards

CAS Number
113665-84-2
Clopidogrel Camphorsulfonate

Clopidogrel Camphorsulfonate - API Standards

CAS Number
120202-68-8
Clopidogrel Hydrogen Sulfate

Clopidogrel Hydrogen Sulfate

CAS Number
120202-66-6
2-(Thiophen-3-yl)ethyl 4-methylbenzenesulfonate

2-(Thiophen-3-yl)ethyl 4-methylbenzenesulfonate

CAS Number
40412-09-7
C15H15ClN2O3S

Methyl (S)-2-(2-chlorophenyl)-2-(nitroso(2-(thiophen-2-yl)ethyl)amino)Acetate

CAS Number
NA
1421283-60-4

Clopidogrel Hydrogen Sulfate - Impurity D

CAS Number
1421283-60-4
Clopidogrel - Impurity F

Clopidogrel Impurity - F

CAS Number
141109-19-5
Alternate CAS Number
402746-54-7(Sulphate Salt)
61285-69-6

(E)-2,6,8-Trimethylnon-5-en-4-one

CAS Number
61285-69-6
1251822-13-5

5-(1-(2-Chlorophenyl)-2-methoxy-2-oxoethyl)thieno[3,2-c]pyridin-5-ium bromide

CAS Number
1251822-13-5
1319197-71-1

5-((S)-1-(2-Chlorophenyl)-2-methoxy-2-oxoethyl)-4,5,6,7-tetrahydrothieno[3,2-c]pyridine 5-oxide

CAS Number
1319197-71-1
2460755-43-3

Clopidogrel Nitroso Impurity

CAS Number
2460755-43-3
Citalopram Oxalate

Citalopram Oxalate

CAS Number
207559-01-1
 Citalopram Hydrobromide - Impurity G (Freebase)

Citalopram Hydrobromide - Impurity G (Freebase)

CAS Number
1329745-98-3(Freebase)
Alternate CAS Number
2575516-42-4(Salt)