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Pharmaceutical analytical standards

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

APIs from A to Z →

Results 3,331-3,340 of 5,812

Entacapone EP Impurity G

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-E058-008
CAS
1364322-41-7
Formula
C11H9N3O5
Family
Entacapone
Synonyms
Entacapone impurity g (ep impurity), Entacapone impurity G

Entacapone EP Impurity H

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-E058-009
CAS
1150310-15-8
Formula
C15H15N3O5
Family
Entacapone
Synonyms
Entacapone impurity h (ep impurity), Entacapone impurity H

Entacapone EP Impurity I

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-E058-010
CAS
1364322-42-8
Formula
C13H12N2O6
Family
Entacapone
Synonyms
Propyl (2E)-2-cyano-3-(3,4-dihydroxy-5-nitrophenyl)prop-2-enoate, propyl (E)-2-cyano-3-(3,4-dihydroxy-5-nitrophenyl)prop-2-enoate

Estriol EP Impurity A

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-E102-004
CAS
246021-20-5
Formula
C18H22O3
Family
Estriol
Synonyms
9,11-Didehydrooestriol

Estriol EP Impurity C

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-E102-005
CAS
1474-53-9
Formula
C19H26O3
Family
Estriol
Synonyms
Estriol 3-methyl ether, Estriol methyl ether

Estriol EP Impurity E

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-E102-006
CAS
1228-72-4
Formula
C18H24O3
Family
Estriol
Synonyms
17-Epiestriol, NSC 84051

Estriol EP Impurity F

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-E102-007
CAS
547-81-9
Formula
C18H24O3
Family
Estriol
Synonyms
16-Epiestriol, Epiestriol

Estriol EP Impurity G

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-E102-008
CAS
793-89-5
Formula
C18H24O3
Family
Estriol
Synonyms
16,17-epi-Estriol, trans-Estriol

Estriol EP Impurity H

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-E102-009
CAS
566-76-7
Formula
C18H22O3
Family
Estriol
Synonyms
16alpha-Hydroxyestrone, Hydroxyestrone-16alpha

Estriol EP Impurity I

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-E102-010
CAS
15370-49-7
Formula
C18H22O3
Family
Estriol
Synonyms
3-Hydroxy-17-oxa-17a-homoestra-1,3,5(10)-trien-17a-one

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