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Pharmaceutical analytical standards

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

APIs from A to Z →

Results 10,371-10,380 of 59,523

Aztreonam Impurity 20

ImpurityLevels of characterisation
Cat. No.
P-A240-033
Formula
C4H8N2O4S
Family
Aztreonam
Synonyms
(2S,3R)-3-Amino-2-methyl-4-oxoazetidine-1-sulfonic acid

Aztreonam Impurity 23

ImpurityLevels of characterisation
Cat. No.
P-A240-037
Formula
C4H8N2O4S
Family
Aztreonam
Synonyms
(2R,3R)-3-Amino-2-methyl-4-oxoazetidine-1-sulfonic acid

Aztreonam Impurity 24

ImpurityLevels of characterisation
Cat. No.
P-A240-038
Formula
C17H25N5O8S2
Family
Aztreonam
Synonyms
(2R,3R)-3-[[(2Z)-2-(2-Amino-1,3-thiazol-4-yl)-2-[2-methyl-1-[(2-methylpropan-2-yl)oxy]-1-oxopropan-2-yl]oxyiminoacetyl]amino]-2-methyl-4-oxoazetidine-1-sulfonic acid

Aztreonam Impurity 3

ImpurityLevels of characterisation
Cat. No.
P-A240-014
Formula
C13H19N5O6S
Family
Aztreonam
Synonyms
(2R,3R)-3-Amino-2-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-(2-carboxypropan-2-yloxyimino)acetyl]amino]butanoic acid

Aztreonam Impurity 4

ImpurityLevels of characterisation
Cat. No.
P-A240-015
Formula
C26H34N10O13S3
Family
Aztreonam
Synonyms
2-[(Z)-[1-(2-Amino-1,3-thiazol-4-yl)-2-[[(2S,3S)-1-[(2S,3S)-2-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-(2-carboxypropan-2-yloxyimino)acetyl]amino]-3-(sulfoamino)butanoyl]-2-methyl-4-oxoazetidin-3-yl]amino]-2-oxoethylidene]amino]oxy-2-methylpropanoic acid

Aztreonam Impurity 5 Dihydrochloride

ImpurityLevels of characterisation
Cat. No.
P-A240-016
Formula
C15H23N5O6S·2HCl
Family
Aztreonam
Synonyms
2-[(Z)-[2-[[(2R,3R)-3-Amino-1-ethoxy-1-oxobutan-2-yl]amino]-1-(2-amino-1,3-thiazol-4-yl)-2-oxoethylidene]amino]oxy-2-methylpropanoic acid dihydrochloride

Aztreonam Impurity 5 Hydrochloride

ImpurityLevels of characterisation
Cat. No.
P-A240-017
Formula
C15H23N5O6S·HCl
Family
Aztreonam
Synonyms
2-[(Z)-[2-[[(2R,3R)-3-Amino-1-ethoxy-1-oxobutan-2-yl]amino]-1-(2-amino-1,3-thiazol-4-yl)-2-oxoethylidene]amino]oxy-2-methylpropanoic acid hydrochloride

Aztreonam Impurity 6

ImpurityLevels of characterisation
Cat. No.
P-A240-018
Formula
C9H11N3O5S
Family
Aztreonam
Synonyms
2-[(Z)-[(2-Amino-1,3-thiazol-4-yl)-carboxymethylidene]amino]oxy-2-methylpropanoic acid

Aztreonam Impurity 8 Dihydrochloride

ImpurityLevels of characterisation
Cat. No.
P-A240-020
Formula
C15H23N5O6S·2HCl
Family
Aztreonam
Synonyms
2-[(Z)-[2-[[(2S,3S)-3-Amino-1-ethoxy-1-oxobutan-2-yl]amino]-1-(2-amino-1,3-thiazol-4-yl)-2-oxoethylidene]amino]oxy-2-methylpropanoic acid dihydrochloride

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