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Pharmaceutical analytical standards

APIs, pharmacopoeial impurities, metabolites, nitrosamines and labelled standards.

APIs from A to Z →

Results 53,771-53,780 of 59,523

Lorazepam Impurity 3

ImpurityLevels of characterisation
Cat. No.
P-L093-011
CAS
52335-37-2
Formula
C15H9Cl4NO2
Family
Lorazepam
Synonyms
2,2-Dichloro-N-[4-chloro-2-(2-chlorobenzoyl)phenyl]acetamide

Lorazepam USP Related Compound D

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-L093-007
CAS
54643-79-7
Formula
C15H8Cl2N2O2
Family
Lorazepam
Synonyms
6-Chloro-4-(o-chlorophenyl)-2-quinazolinecarboxylic acid, 6-chloro-4-(2-chlorophenyl)quinazoline-2-carboxylic acid

Lorazepam USP Related Compound E

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-L093-008
CAS
773871-49-1
Formula
C15H10Cl2N2O
Family
Lorazepam
Synonyms
6-Chloro-4-(o-chlorophenyl)-2-quinazoline methanol

Lurbinectedin Impurity 2

ImpurityLevels of characterisation
Cat. No.
P-L111-006
CAS
577748-36-8
Formula
C40H42N4O10S
Family
Lurbinectedin
Synonyms
[(1R,2R,3R,11S,12S,14R,26R)-5,12-Dihydroxy-6,6'-dimethoxy-7,21-dimethyl-27-oxospiro[17,19,28-trioxa-24-thia-13,30-diazaheptacyclo[12.9.6.13,11.02,13.04,9.015,23.016,20]triaconta-4(9),5,7,15,20,22-hexaene-26,1'-2,3,4,9-tetrahydropyrido[3,4-b]indole]-22-yl] acetate

Mebendazole EP Impurity B

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-M018-003
CAS
21472-33-3
Formula
C14H10N2O2
Family
Mebendazole
Synonyms
5-Benzoyl-2-benzimidazolinone, 5-benzoyl-1,3-dihydrobenzimidazol-2-one

Mebendazole EP Impurity C

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-M018-004
CAS
66066-76-0
Formula
C15H13N3O
Family
Mebendazole
Synonyms
2-Amino-5-benzoyl-1-methylbenzimidazole, Methanone, (2-amino-1-methyl-1H-benzimidazol-5-yl)phenyl-

Mebendazole EP Impurity D

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-M018-005
CAS
132119-11-0
Formula
C17H15N3O3
Family
Mebendazole
Synonyms
1-Methyl mebendazole, methyl N-(5-benzoyl-1-methylbenzimidazol-2-yl)carbamate

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