Description

(S)-4-Bromo-1,3-Butanediol CAS NO 191354-42-4 is a high-purity chiral building block of significant importance in asymmetric synthesis. This compound is valued for its role as a versatile intermediate in the production of complex pharmaceutical molecules and fine chemicals. It is primarily needed by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for developing active ingredients and novel materials.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the synthesis of active pharmaceutical ingredients (APIs), particularly in antiviral and cardiovascular drug research.
• Agrochemical Synthesis: Used in the development of chiral pesticides and herbicides, where stereochemistry is crucial for biological activity.
• Ligand and Catalyst Preparation: Serves as a precursor for chiral ligands and organocatalysts used in enantioselective transformations.
• Fine Chemical Production: Employed in the manufacture of specialty chemicals, flavors, and fragrances requiring specific stereochemistry.
• Polymer Chemistry: Can be utilized as a monomer or cross-linking agent for creating functional polymers with tailored properties.
• Academic & Industrial R&D: A valuable reagent for methodological development in organic synthesis and medicinal chemistry programs.

Basic Information

Product Name	(S)-4-Bromo-1,3-Butanediol
CAS No.	191354-42-4
Molecular Formula	C4H9BrO2
Molecular Weight	169.02 g/mol
Synonyms	(S)-4-Bromo-1,3-butanediol; (S)-4-Bromobutane-1,3-diol; (3S)-4-Bromo-1,3-butanediol; 1,3-Butanediol, 4-bromo-, (S)-; (S)-1,3-Butanediol, 4-bromo-; (S)-4-Bromobutane-1,3-diol; Bromo-1,3-butanediol (S-isomer); (S)-4-BDOL
EINECS	Contact for details

Quality Control

Our (S)-4-Bromo-1,3-Butanediol is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chiral purity analysis by HPLC, to ensure compliance with exacting standards for research and production use. A comprehensive Certificate of Analysis (COA) detailing identity, purity, enantiomeric excess, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to exclude moisture. Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Enantiomeric Excess (Chiral HPLC)	≥ 99.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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