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Pharmaceutical analytical standards

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

APIs from A to Z →

Results 2,721-2,730 of 5,812

Naproxen EP Impurity F

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-N021-008
CAS
31220-35-6
Formula
C16H18O3
Family
Naproxen
Synonyms
Naproxen ethyl ester, ethyl (2S)-2-(6-methoxynaphthalen-2-yl)propanoate

Naproxen EP Impurity G

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-N021-009
CAS
23979-41-1
Formula
C14H14O3
Family
Naproxen
Synonyms
l-Naproxen, Naproxen, (-)-

Naproxen EP Impurity H

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-N021-010
CAS
5111-66-0
Formula
C11H10O2
Family
Naproxen
Synonyms
6-Methoxy-2-naphthol, 6-methoxynaphthalen-2-ol

Naproxen EP Impurity I

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-N021-011
CAS
23981-47-7
Formula
C13H12O3
Family
Naproxen
Synonyms
6-Methoxy-2-naphthylacetic acid (6-MNA), 6-Methoxy-2-naphthylacetic acid

Naproxen EP Impurity J

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-N021-012
CAS
21388-17-0
Formula
C13H14O
Family
Naproxen
Synonyms
2-Ethyl-6-methoxynaphthalene, Naphthalene, 2-ethyl-6-methoxy-

Naproxen EP Impurity K

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-N021-013
CAS
77301-42-9
Formula
C13H14O2
Family
Naproxen
Synonyms
1-(6-Methoxy-2-naphthyl)ethanol, 1-(6-methoxynaphthalen-2-yl)ethanol

Naproxen EP Impurity L

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-N021-014
CAS
3900-45-6
Formula
C13H12O2
Family
Naproxen
Synonyms
2-Acetyl-6-methoxynaphthalene, 1-(6-methoxynaphthalen-2-yl)ethanone

Naproxen EP Impurity M

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-N021-015
CAS
93-04-9
Formula
C11H10O
Family
Naproxen
Synonyms
2-Methoxynaphthalene, Naphthalene, 2-methoxy-

Naproxen EP Impurity N

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-N021-016
CAS
5111-65-9
Formula
C11H9BrO
Family
Naproxen
Synonyms
2-Bromo-6-methoxynaphthalene, Naphthalene, 2-bromo-6-methoxy-

Naproxen EP Impurity O

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-N021-017
CAS
2471-70-7
Formula
C12H10O3
Family
Naproxen
Synonyms
6-Methoxy-2-Naphthoic Acid, 6-methoxynaphthalene-2-carboxylic acid

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