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Pharmaceutical analytical standards

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

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Results 51,481-51,490 of 59,523

Quinazoline Impurity 7

ImpurityLevels of characterisation
Cat. No.
P-Q019-008
CAS
1189459-69-5
Formula
C22H18ClN3O4
Synonyms
2-Chloro-N-[4-methyl-3-[(2-methyl-7-oxo-[1,2]oxazolo[2,3-a]pyrimidin-5-yl)methoxy]phenyl]benzamide

Quinazoline Impurity 8

ImpurityLevels of characterisation
Cat. No.
P-Q019-009
CAS
327170-62-7
Formula
C21H23N3OS
Synonyms
2-(3-Ethyl-4-oxospiro[6H-benzo[h]quinazoline-5,1'-cyclohexane]-2-yl)sulfanylacetonitrile

Quinazoline Impurity 9

ImpurityLevels of characterisation
Cat. No.
P-Q019-010
CAS
864355-34-0
Formula
C25H37N5O
Synonyms
N-Cycloheptyl-7-methoxy-2-(4-pyrrolidin-1-ylpiperidin-1-yl)quinazolin-4-amine

Thiamphenicol Impurity 10

ImpurityLevels of characterisation
Cat. No.
P-T087-016
CAS
27348-52-3
Formula
C12H15Cl2NO5S
Family
Thiamphenicol
Synonyms
2,2-Dichloro-N-[(1R,2S)-1,3-dihydroxy-1-(4-methylsulfonylphenyl)propan-2-yl]acetamide

Thiamphenicol Impurity 2 Hydrochloride

ImpurityLevels of characterisation
Cat. No.
P-T087-008
CAS
1071703-93-9
Formula
C14H18Cl2N2O6S·HCl
Family
Thiamphenicol
Synonyms
[(2S,3S)-2-[(2,2-Dichloroacetyl)amino]-3-hydroxy-3-(4-methylsulfonylphenyl)propyl] 2-aminoacetate hydrochloride

Thiamphenicol Impurity 4

ImpurityLevels of characterisation
Cat. No.
P-T087-010
CAS
21079-44-7
Formula
C12H15Cl2NO5S
Family
Thiamphenicol
Synonyms
2,2-Dichloro-N-[(1S,2R)-1,3-dihydroxy-1-(4-methylsulfonylphenyl)propan-2-yl]acetamide

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