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Pharmaceutical analytical standards

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

APIs from A to Z →

Results 51,461-51,470 of 59,523

Phenothiazine Impurity 1

ImpurityLevels of characterisation
Cat. No.
P-P547-012
CAS
1798293-04-5
Formula
C13H8ClNOS
Synonyms
9-Chloro-dibenzo[b,f][1,4]thiazepin-11(10H)-one, 4-chloro-5H-benzo[b][1,4]benzothiazepin-6-one

Phenothiazine Impurity 2

ImpurityLevels of characterisation
Cat. No.
P-P547-013
CAS
20290-48-6
Formula
C13H9NO2S
Synonyms
Dibenzo[b,f][1,4]thiazepin-11(10H)-one, 5-oxide, 11-oxo-5H-benzo[b][1,4]benzothiazepin-6-one

Phenothiazine S-Oxide

ImpurityLevels of characterisation
Cat. No.
P-P547-017
CAS
1207-71-2
Formula
C12H9NOS
Synonyms
Phenothiazine Monoxide, Phenothiazine-5-oxide

Phenothiazine S,S-Dioxide

ImpurityLevels of characterisation
Cat. No.
P-P547-016
CAS
1209-66-1
Formula
C12H9NO2S
Synonyms
Phenothiazine 5,5-dioxide, 10H-phenothiazine 5,5-dioxide

10H-Phenothiazine-2-carbonitrile

ImpurityLevels of characterisation
Cat. No.
P-P547-006
CAS
38642-74-9
Formula
C13H8N2S
Synonyms
Phenothiazine-2-carbonitrile, NSC 170554

12-Phenyl-12h-benzo[b]phenothiazine

ImpurityLevels of characterisation
Cat. No.
P-P547-007
CAS
1320277-85-7
Formula
C22H15NS
Synonyms
Phenothiazine Impurity 6, 12-phenylbenzo[b]phenothiazine

Quinazoline Impurity 1

ImpurityLevels of characterisation
Cat. No.
P-Q019-002
CAS
2223943-88-0
Formula
C20H21N7O2
Synonyms
7-[5-[3-(2-Methylpropyl)-4,5,6,7-tetrahydrobenzotriazol-5-yl]-1,2,4-oxadiazol-3-yl]-1H-quinazolin-4-one

Quinazoline Impurity 10

ImpurityLevels of characterisation
Cat. No.
P-Q019-011
CAS
2223868-81-1
Formula
C20H19N7O2
Synonyms
7-[5-(3-Cyclobutyl-4,5,6,7-tetrahydrobenzotriazol-5-yl)-1,2,4-oxadiazol-3-yl]-1H-quinazolin-4-one

Quinazoline Impurity 11

ImpurityLevels of characterisation
Cat. No.
P-Q019-012
CAS
2308082-82-6
Formula
C16H15N7O2
Synonyms
5-[5-(2-Methyl-5,6,7,8-tetrahydro-[1,2,4]triazolo[1,5-a]pyridin-6-yl)-1,2,4-oxadiazol-3-yl]-1,3-dihydrobenzimidazol-2-one

Quinazoline Impurity 12

ImpurityLevels of characterisation
Cat. No.
P-Q019-013
CAS
1949717-60-5
Formula
C17H18N4O2
Synonyms
5-[5-(4,4-Dimethylcyclohexen-1-yl)-1,2,4-oxadiazol-3-yl]-1,3-dihydrobenzimidazol-2-one

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