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Pharmaceutical analytical standards

Active ingredients, pharmacopoeial impurities, metabolites, nitrosamines and labelled standards.

Active ingredients from A to Z →

Results 4,301-4,310 of 5,812

Cloxacillin EP Impurity D

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-C228-006
CAS
23598-72-3
Formula
C11H8ClNO3
Family
Cloxacillin
Synonyms
Cloxacillin Sodium EP Impurity D, 3-(2-chlorophenyl)-5-methyl-1,2-oxazole-4-carboxylic acid

Cloxacillin Sodium EP Impurity E

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-C228-007
CAS
18704-55-7
Formula
C27H28ClN5O7S2
Family
Cloxacillin
Synonyms
Cloxacillin EP Impurity E (Cloxacillin Penicillamide), Cloxacillin EP Impurity E

Cyproheptadine EP Impurity C Hydrochloride

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-C275-004
CAS
4046-24-6
Formula
C21H23NO·HCl
Family
Cyproheptadine
Synonyms
Cyproheptadine Impurity C (as Hydrochloride), 5-(1-methyl-4-piperidyl)-5H-dibenzo(a,d)cyclohepten-5-ol hydrochloride

Dibenzocycloheptene

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-C275-022
CAS
256-81-5
Formula
C15H12
Family
Cyproheptadine
Synonyms
5H-Dibenzo(a,d)cycloheptene, tricyclo[9.4.0.03,8]pentadeca-1(15),3,5,7,9,11,13-heptaene

Diphenhydramine USP Related Compound B

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-D141-023
CAS
19574-66-4
Formula
C16H18O3
Family
Diphenhydramine
Synonyms
Diphenhydramine Related Compound B (3-(Benzhydryloxy)propane-1,2-diol), 3-(Diphenylmethoxy)-1,2-propanediol

Fluocinolone Acetonide EP Impurity A

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-F085-002
CAS
106931-78-6
Formula
C24H28F2O7
Family
Fluocinolone
Synonyms
Fluocinolone Acetonide-21-Carboxylic Acid, Fluocinolone acetonide impurity a (ep impurity)

Fluocinolone Acetonide EP Impurity B

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-F085-003
CAS
65751-34-0
Formula
C23H28F2O6
Family
Fluocinolone
Synonyms
Fluocinolone Acetonide-20-Carboxylic Acid, Androsta-1,4-diene-17-carboxylic acid, 6,9-difluoro-11-hydroxy-16,17-((1-methylethylidene)bis(oxy))-3-oxo-, (6alpha,11beta,16alpha,17alpha)-

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