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AntibioticsIn stockImpurity reference standardPh. Eur.

Aztreonam E-isomer

JR-AB1001-02

Variant ofAztreonam USP CRS

(E)-Oxime geometric isomer of Aztreonam (Aztreonam USP Related Compound E / EP Impurity E); photo-isomerization and process impurity used for chromatographic system suitability and purity testing.

Structure & identifiers

2D structure — select to enlarge

Catalogue code
JR-AB1001-02
Category
Antibiotics
CAS number
99341-02-3
Grade
Impurity reference standard
Pharmacopoeia
Ph. Eur.
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 E-isomer

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 E-isomer

25 mg · ×1