Description

S-Carbamylcysteine is a synthetic derivative of the amino acid cysteine, featuring a carbamyl group substitution. This modification enhances its stability and makes it a valuable intermediate in pharmaceutical synthesis and biochemical research. It is primarily utilized by manufacturers in the pharmaceutical, nutraceutical, and research sectors for developing active pharmaceutical ingredients (APIs) and studying biochemical pathways.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of mucolytic agents and other therapeutic compounds.
• Biochemical Research: Used as a precursor or standard in studies involving sulfur-containing amino acid metabolism and protein chemistry.
• Nutraceutical Formulation: Potential ingredient in advanced dietary supplements targeting antioxidant support and respiratory health.
• Reference Standard: Serves as a high-purity analytical standard for quality control and method development in analytical laboratories.
• Cosmetic Ingredients: Investigated for use in skincare formulations for its potential antioxidant and skin-conditioning properties.

Basic Information

Product Name	S-Carbamylcysteine
CAS No.	5745-86-8
Molecular Formula	C4H8N2O3S
Molecular Weight	164.18 g/mol
Synonyms	Carbocisteine; S-Carbamoyl-L-cysteine; L-Carbamylcysteine; (R)-2-Amino-3-(carbamoylthio)propanoic acid; Mucolytic Agent Intermediate; Carbocysteine; N-Carbamylcysteine
EINECS	227-270-8

Quality Control

Our S-Carbamylcysteine is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including identification, assay, and impurity profiling, to ensure it meets high-purity standards suitable for pharmaceutical and research applications. A Certificate of Analysis (COA) detailing all test results is provided with every shipment.

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 minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.5%
Specific Rotation	[α]20/D: +15.0° to +18.0° (c=1 in H2O)
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 1.5%

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