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Pharmaceutical analytical standards

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

APIs from A to Z →

Results 2,711-2,720 of 5,812

Fosfomycin EP Impurity A Ammonium Salt

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-F121-006
CAS
1160525-87-0
Formula
C3H15N2O5P
Family
Fosfomycin
Synonyms
P-[(1R,2R)-1,2-Dihydroxypropyl]-phosphonic Acid Ammonium Salt, Fosfomycin Open Ring Impurity A

Fosfomycin Trometamol EP Impurity A

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-F121-009
CAS
84954-80-3
Formula
C3H9O5P
Family
Fosfomycin
Synonyms
1,2-dihydroxypropylphosphonic acid, Phosphonic acid, (1,2-dihydroxypropyl)-

Fosfomycin Trometamol EP Impurity D

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-F121-014
CAS
1262243-12-8
Formula
C10H25NO11P2
Family
Fosfomycin
Synonyms
Trometamoyloxy Fosfomycin-dimer, Fosfomycin Trometamol Impurity D

Naproxen EP Impurity A

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-N021-003
CAS
52079-10-4
Formula
C13H12O3
Family
Naproxen
Synonyms
O-Desmethylnaproxen, Naproxen-O-desmethyl

Naproxen EP Impurity B

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-N021-004
CAS
89617-86-7
Formula
C14H13ClO3
Family
Naproxen
Synonyms
Naproxen impurity b (ep impurity), Naproxen impurity B

Naproxen EP Impurity C

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-N021-005
CAS
84236-26-0
Formula
C14H13BrO3
Family
Naproxen
Synonyms
s-(+)-2-(5-bromo-6-methoxy-2-naphthyl)propionic acid, Naproxen impurity c (ep impurity)

Naproxen EP Impurity D

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-N021-006
CAS
116883-62-6
Formula
C14H13IO3
Family
Naproxen
Synonyms
Naproxen impurity d (ep impurity), Naproxen impurity D

Naproxen EP Impurity E

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-N021-007
CAS
26159-35-3
Formula
C15H16O3
Family
Naproxen
Synonyms
Naproxen methyl ester, methyl (2S)-2-(6-methoxynaphthalen-2-yl)propanoate

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