Description

(Z)-Cefdinir is a third-generation cephalosporin antibiotic, specifically the Z-isomer of Cefdinir. This high-purity pharmaceutical intermediate is critical for ensuring the efficacy and safety of final antibiotic formulations. It is primarily required by manufacturers in the pharmaceutical industry for the synthesis of advanced oral antibiotic medications.

Application

• Key intermediate in the synthesis of the active pharmaceutical ingredient (API) Cefdinir.
• Used in pharmaceutical R&D for developing new antibiotic formulations and combination therapies.
• Essential for the production of finished dosage forms, such as capsules and oral suspensions.
• Employed in quality control laboratories as a reference standard for analytical testing.
• Applicable in the manufacturing of veterinary antibiotic products.

Basic Information

Product Name	(Z)-Cefdinir
CAS No.	178601-88-2
Molecular Formula	C14H13N5O5S2
Molecular Weight	395.41 g/mol
Synonyms	(Z)-Cefdinir; Cefdinir Z-isomer; (6R,7R)-7-[(Z)-2-(2-Amino-4-thiazolyl)-2-hydroxyiminoacetamido]-3-vinyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid; FK-482 (Z-isomer); CI-983 (Z-isomer); Cefzon intermediate; Z-Cefdinir
EINECS	Contact for details

Quality Control

Our (Z)-Cefdinir is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets high-grade pharmaceutical standards. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time corresponds to reference standard
Assay (HPLC)	≥ 98.5%
Related Substances (HPLC)	Total impurities ≤ 1.5%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.2%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.