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Pharmaceutical analytical standards

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

APIs from A to Z →

Results 8,091-8,100 of 36,550

Piperacillin Impurity 11

ImpurityLevels of characterisation
Cat. No.
P-P124-045
Formula
C46H56N10O15S2
Family
Piperacillin
Synonyms
(2R,4S)-2-[(R)-Carboxy-[[(2R)-2-[(4-ethyl-2,3-dioxopiperazine-1-carbonyl)amino]-2-phenylacetyl]amino]methyl]-3-[(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-carbonyl]-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid

Piperacillin Impurity 13

ImpurityLevels of characterisation
Cat. No.
P-P124-050
Formula
C24H29N5O7S
Family
Piperacillin
Synonyms
(2S,5R,6R)-3-Ethyl-6-[[(2R)-2-[(4-ethyl-2,3-dioxopiperazine-1-carbonyl)amino]-2-phenylacetyl]amino]-3-methyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid

Piperacillin Impurity 14

ImpurityLevels of characterisation
Cat. No.
P-P124-051
Formula
C41H48N8O10S2
Family
Piperacillin
Synonyms
Ethyl (2S,5R,6R)-6-[[(2R)-2-[[(2S,5R,6R)-6-[[(2R)-2-[(4-ethyl-2,3-dioxopiperazine-1-carbonyl)amino]-2-phenylacetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carbonyl]amino]-2-phenylacetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate

Piperacillin Impurity 3

ImpurityLevels of characterisation
Cat. No.
P-P124-031
Formula
C23H27N5O9S
Family
Piperacillin
Synonyms
(2R,5S,6S)-6-[[(2S)-2-[(4-Ethyl-2,3-dioxopiperazine-1-carbonyl)amino]-2-phenylacetyl]amino]-3,3-dimethyl-4,4,7-trioxo-4lambda6-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid

Piperacillin Impurity 4

ImpurityLevels of characterisation
Cat. No.
P-P124-032
Formula
C31H39N7O10S2
Family
Piperacillin
Synonyms
(2S,5R,6R)-6-[[2-[(4S)-4-Carboxy-5,5-dimethyl-1,3-thiazolidin-2-yl]-2-[[(2R)-2-[(4-ethyl-2,3-dioxopiperazine-1-carbonyl)amino]-2-phenylacetyl]amino]acetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid

Piperacillin Impurity 5

ImpurityLevels of characterisation
Cat. No.
P-P124-033
Formula
C23H31N5O8S
Family
Piperacillin
Synonyms
(4S)-2-[Carboxy-[[(2R)-2-[2-[ethyl(oxaldehydoyl)amino]ethylcarbamoylamino]-2-phenylacetyl]amino]methyl]-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid

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