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AntibioticsIn stockAPI reference standardUSP

Aztreonam USP CRS

JR-AB1001

United States Pharmacopeia (USP) Reference Standard of Aztreonam (2-(((Z)-(1-(2-amino-4-thiazolyl)-2-(((2S,3S)-2-methyl-4-oxo-1-sulfo-3-azetidinyl)amino)-2-oxoethylidene)amino)oxy)-2-methylpropanoic acid); synthetic monobactam antibiotic standard.

2 variants listed — see below

Structure & identifiers

2D structure — select to enlarge

Catalogue code
JR-AB1001
Category
Antibiotics
CAS number
78110-38-0
Grade
API reference standard
Pharmacopoeia
USP
Molecular formula
C13H17N5O8S2
Molecular weight
435.44 g/mol
Pack sizes
25 mg · 50 mg · 100 mg · 500 mg
Record updated
12 Nov 2026

Chemical name

Aztreonam USP CRS

SMILES

C[C@H]1[C@H](NC(=O)/C(=N\OC(C)(C)C(=O)O)c2csc(N)n2)C(=O)N1S(=O)(=O)O

Compound identity, CAS number, formula and structure are referenced from public chemical databases. Contact us to confirm availability, pack sizes and documentation for your order.

Aztreonam USP CRS

25 mg · ×1