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Pharmaceutical analytical standards

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

APIs from A to Z →

Results 52,811-52,820 of 59,523

N-Ethylpiperazine

ImpurityLevels of characterisation
Cat. No.
P-E054-013
CAS
5308-25-8
Formula
C6H14N2
Family
Enrofloxacin
Synonyms
1-ethylpiperazine, Piperazine, 1-ethyl-

Fampridine-d4

Isotopically labelledLevels of characterisation
Cat. No.
P-D007-003
CAS
26257-21-6
Formula
C5H2D4N2
Family
Dalfampridine
Synonyms
Dalfampridine-d4, 4-Aminopyridine-d4, 2,3,5,6-tetradeuteriopyridin-4-amine

Flavoxate EP Impurity A

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-F054-003
CAS
3468-01-7
Formula
C17H12O4
Family
Flavoxate
Synonyms
3-Methylflavone-8-carboxylic acid (MFCA), 3-Methylflavone-8-carboxylic acid

Flavoxate EP Impurity A-d5

Isotopically labelledLevels of characterisation
Cat. No.
P-F054-007
CAS
1189883-79-1
Formula
C17H7D5O4
Family
Flavoxate
Synonyms
Flavoxate USP Related Compound A-d5, 3-Methylflavone-8-carboxylic acid-d5 (MFCA-d5)

Flavoxate Hydrochloride EP Impurity B

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-F054-004
CAS
35888-94-9
Formula
C19H16O4
Family
Flavoxate
Synonyms
Ethyl 3-methylflavone-8-carboxylate, ethyl 3-methyl-4-oxo-2-phenylchromene-8-carboxylate

Flavoxate Hydrochloride EP Impurity C

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-F054-005
CAS
1286165-14-7
Formula
C20H18O4
Family
Flavoxate
Synonyms
Isopropyl 3-methylflavone-8-carboxylate, propan-2-yl 3-methyl-4-oxo-2-phenylchromene-8-carboxylate

Flavoxate Impurity 1

ImpurityLevels of characterisation
Cat. No.
P-F054-010
CAS
91830-42-1
Formula
C17H11BrO4
Family
Flavoxate
Synonyms
6-Bromo-3-methyl-4-oxo-2-phenyl-4H-1-benzopyran-8-carboxylic acid, 6-Bromo-3-methyl-4-oxo-2-phenyl-4H-chromene-8-carboxylic acid

Flavoxate Impurity 2

ImpurityLevels of characterisation
Cat. No.
P-F054-013
CAS
91849-09-1
Formula
C18H13BrO4
Family
Flavoxate
Synonyms
Methyl 6-bromo-3-methyl-4-oxo-2-phenyl-4H-chromene-8-carboxylate, methyl 6-bromo-3-methyl-4-oxo-2-phenylchromene-8-carboxylate

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