Description

Carbutamide CAS NO 339-43-5 is a first-generation sulfonylurea compound with significant historical importance in medicinal chemistry. It serves as a foundational reference standard and a key intermediate in pharmaceutical research and development. This compound is primarily utilized by research institutions and manufacturers in the pharmaceutical and fine chemical sectors for developing and validating analytical methods.

Application

• Pharmaceutical Reference Standard: Used for the calibration of analytical instruments and the validation of testing methods in quality control laboratories.
• Biochemical Research: Employed in studies investigating the mechanism of action of sulfonylurea drugs and pancreatic β-cell function.
• Active Pharmaceutical Ingredient (API) Intermediate: Serves as a critical building block in the synthetic pathways for more advanced therapeutic agents.
• Academic Research & Development: Utilized in universities and R&D centers for pharmacological studies and educational purposes.
• Method Development: Acts as a model compound for developing new chromatographic (HPLC, GC) and spectroscopic analytical techniques.

Basic Information

Product Name	Carbutamide
CAS No.	339-43-5
Molecular Formula	C11H17N3O3S
Molecular Weight	271.34 g/mol
Synonyms	1-Butyl-3-(p-aminobenzenesulfonyl)urea; BZ-55; Glucidoral; Nadisan; Invenol; U-6987; N-(4-Aminophenyl)sulfonyl-N'-butylurea; Carbutamidum
EINECS	206-413-2

Quality Control

Our Carbutamide is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including identification, purity assay, and impurity profiling, to ensure it meets the high standards required for research and development. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with specified parameters.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area 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 crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Related Substances (HPLC)	Total impurities ≤ 2.0% Any single impurity ≤ 0.5%
Residue on Ignition	≤ 0.1%

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