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Pharmaceutical analytical standards

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

APIs from A to Z →

Results 32,981-32,990 of 36,550

Guaiazulene Impurity 1

ImpurityLevels of characterisation
Cat. No.
P-G065-004
CAS
24687-72-7
Formula
C15H16O2
Family
Guaiazulene
Synonyms
7-Isopropyl-4-methylazulene-1-carboxylic acid, 4-methyl-7-propan-2-ylazulene-1-carboxylic acid

Guaiazulene Impurity 2

ImpurityLevels of characterisation
Cat. No.
P-G065-006
CAS
93914-28-4
Formula
C15H17NaO3S
Family
Guaiazulene
Synonyms
Sodium 1,4-dimethyl-7-propan-2-ylazulene-2-sulfonate

Guaiazulene Impurity 3

ImpurityLevels of characterisation
Cat. No.
P-G065-007
CAS
65757-01-9
Formula
C15H17NaO4S
Family
Guaiazulene
Synonyms
Sodium 5-(2-hydroxypropan-2-yl)-3,8-dimethylazulene-1-sulfonate

2-Hydroxy Fenspiride

ImpurityLevels of characterisation
Cat. No.
P-F031-005
CAS
441781-21-1
Formula
C15H20N2O3
Family
Fenspiride
Synonyms
8-[2-(2-Hydroxyphenyl)ethyl]-1-oxa-3,8-diazaspiro[4.5]decan-2-one

3-Hydroxy Fenspiride

ImpurityLevels of characterisation
Cat. No.
P-F031-006
CAS
441781-23-3
Formula
C15H20N2O3
Family
Fenspiride
Synonyms
8-[2-(3-Hydroxyphenyl)ethyl]-1-oxa-3,8-diazaspiro[4.5]decan-2-one

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