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Pharmaceutical analytical standards

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

APIs from A to Z →

Results 2,361-2,370 of 5,812

Timolol EP Impurity F

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-T123-016
CAS
30165-96-9
Formula
C6H8ClN3OS
Family
Timolol
Synonyms
3-Chloro-4-morpholino-1,2,5-thiadiazole, 4-(4-chloro-1,2,5-thiadiazol-3-yl)morpholine

Timolol EP Impurity G

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-T123-017
CAS
75202-36-7
Formula
C6H9N3O3S
Family
Timolol
Synonyms
4-(Morpholin-4-yl)-1,2,5-thiadiazol-3(2H)-one 1-oxide, 4-morpholin-4-yl-1-oxo-1,2,5-thiadiazol-3-one

Timolol EP Impurity H

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-T123-018
CAS
158636-97-6
Formula
C13H24N4O3S
Family
Timolol
Synonyms
Timolol Impurity H

Timolol EP Impurity I

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-T123-020
CAS
2469037-77-0
Formula
C11H20N4O3S
Family
Timolol
Synonyms
Timolol Impurity N8, Desisobutyl-n-ethyl timolol, (rs)-

Ampicillin EP Impurity A

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-A145-004
CAS
551-16-6
Formula
C8H12N2O3S
Family
Ampicillin
Synonyms
6-Aminopenicillanic acid, Penicin

Ampicillin EP Impurity B

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-A145-005
CAS
19379-33-0
Formula
C16H19N3O4S
Family
Ampicillin
Synonyms
L-(+)-Ampicillin, Ampicillin, L-

Ampicillin EP Impurity C

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-A145-006
CAS
49841-96-5
Formula
C16H19N3O4S
Family
Ampicillin
Synonyms
Diketopiperazines of ampicillin, Ampicillin trihydrate impurity c (ep impurity)

Ampicillin EP Impurity D

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-A145-007
CAS
32746-94-4
Formula
C16H21N3O5S
Family
Ampicillin
Synonyms
Ampicilloic acid, alpha-Aminobenzylpenicilloic acid

Ampicillin EP Impurity E

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-A145-010
CAS
1207726-28-0
Formula
C24H26N4O5S
Family
Ampicillin
Synonyms
Ampicillinyl-D-phenylglycine, Ampicillin trihydrate impurity e (ep impurity)

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