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Pharmaceutical analytical standards

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

APIs from A to Z →

Results 3,781-3,790 of 5,812

Aciclovir EP Impurity P

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-A028-004
CAS
23169-33-7
Formula
C7H9N5O2
Family
Aciclovir
Synonyms
9-(2'-Hydroxyethyl)guanine, 2-amino-9-(2-hydroxyethyl)-1H-purin-6-one

Acyclovir EP Impurity A

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-A028-006
CAS
102728-64-3
Formula
C10H13N5O4
Family
Aciclovir
Synonyms
9-(2-Acetoxyethoxymethyl)guanine, 2-[(2-amino-6-oxo-1H-purin-9-yl)methoxy]ethyl acetate

Acyclovir EP Impurity C

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-A028-007
CAS
91702-61-3
Formula
C8H11N5O3
Family
Aciclovir
Synonyms
N7-((2-Hydroxyethoxy)methyl)guanine, 2-amino-7-(2-hydroxyethoxymethyl)-1H-purin-6-one

Acyclovir EP Impurity F

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-A028-008
CAS
110104-37-5
Formula
C10H13N5O4
Family
Aciclovir
Synonyms
N2-Acetylaciclovir, N-[9-(2-hydroxyethoxymethyl)-6-oxo-1H-purin-2-yl]acetamide

Acyclovir EP Impurity G

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-A028-009
CAS
75128-73-3
Formula
C12H15N5O5
Family
Aciclovir
Synonyms
Diacetylacyclovir, 2-[(2-acetamido-6-oxo-1H-purin-9-yl)methoxy]ethyl acetate

Acyclovir EP Impurity H

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-A028-010
CAS
133186-23-9
Formula
C17H17N5O5
Family
Aciclovir
Synonyms
Acyclovir Impurity H, N2-Acetyl Acyclovir Benzoate

Acyclovir EP Impurity I

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-A028-011
CAS
1797832-75-7
Formula
C14H16N10O4
Family
Aciclovir
Synonyms
Acyclovir Impurity I, Aciclovir EP Impurity I

Acyclovir EP Impurity K

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-A028-029
CAS
1797131-64-6
Formula
C17H22N10O6
Family
Aciclovir
Synonyms
Bis-acyclovir, Acyclovir Impurity K

Acyclovir EP Impurity L

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-A028-012
CAS
3056-33-5
Formula
C9H9N5O3
Family
Aciclovir
Synonyms
2,9-Diacetylguanine, N-(9-acetyl-6-oxo-1H-purin-2-yl)acetamide

Anastrozole EP Impurity A

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-A155-002
CAS
1215780-15-6
Formula
C16H17N5
Family
Anastrozole
Synonyms
alpha-Desmethyl Anastrozole, Anastrozole Impurity B

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