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Pharmaceutical analytical standards

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

APIs from A to Z →

Results 24,721-24,730 of 35,292

Piperacillin Impurity 1

ImpurityLevels of characterisation
Cat. No.
P-P124-023
CAS
65322-79-4
Formula
C13H15N3O3
Family
Piperacillin
Synonyms
4-Ethyl-2,3-dioxo-piperazine-1-carboxylic acid anilide, 4-ethyl-2,3-dioxo-N-phenylpiperazine-1-carboxamide

Piperacillin Impurity 15

ImpurityLevels of characterisation
Cat. No.
P-P124-053
CAS
64817-22-7
Formula
C23H29N5O8S
Family
Piperacillin
Synonyms
(2R,4S)-2-[(R)-Carboxy-[[(2R)-2-[(4-ethyl-2,3-dioxopiperazine-1-carbonyl)amino]-2-phenylacetyl]amino]methyl]-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid, Piperacillin penicilloic acid

Piperacillin Impurity 2

ImpurityLevels of characterisation
Cat. No.
P-P124-024
CAS
1706671-50-2
Formula
C25H31N5O9S
Family
Piperacillin
Synonyms
Glycine, (2R)-N-((4-ethyl-2,3-dioxo-1-piperazinyl)carbonyl)-2-phenylglycyl-2-((2R,4S)-3-acetyl-4-carboxy-5,5-dimethyl-2-thiazolidinyl)-, (2R)-

N-[2-(4-Sulfamoylphenyl)ethyl]acetamide

ImpurityLevels of characterisation
Cat. No.
P-C110-042
CAS
41472-49-5
Formula
C10H14N2O3S
Family
Celecoxib
Synonyms
N-Acetyl-4-(2-Aminoethyl)-Benzenesulfonamide, Celecoxib impurity (N-Acetyl-4-(2-Aminoethyl)-Benzenesulfonamide)

1,1'-Sulfinylbis(4-nitrobenzene)

ImpurityLevels of characterisation
Cat. No.
P-D018-013
CAS
1774-38-5
Formula
C12H8N2O5S
Family
Dapsone
Synonyms
Dapsone Impurity 12, 1-nitro-4-(4-nitrophenyl)sulfinylbenzene

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