Description

Butanoic Acid, 3-Hydroxy-, Calcium Salt (2:1), (3R)- is a high-purity, stereochemically defined calcium salt of 3-hydroxybutanoic acid. This compound is a key intermediate and functional material valued for its role in synthesizing chiral pharmaceuticals and biodegradable polymers. It is essential for manufacturers in the pharmaceutical, fine chemical, and advanced materials sectors seeking consistent quality and reliable supply for critical R&D and production processes.

Application

• Pharmaceutical Intermediate: A crucial chiral building block for the synthesis of active pharmaceutical ingredients (APIs), particularly in cardiovascular and central nervous system drugs.
• Biodegradable Polymer Production: Serves as a monomer or co-monomer precursor for polyhydroxyalkanoates (PHAs) and other environmentally friendly, bio-based plastics.
• Fine Chemical Synthesis: Used in asymmetric synthesis and catalysis to introduce the 3-hydroxybutyrate moiety into complex organic molecules.
• Nutritional and Cosmetic Applications: Potential ingredient in premium-grade calcium supplements and skincare formulations targeting bioavailability and skin barrier function.
• Biochemical Research: A standard or reagent in metabolic pathway studies, enzyme assays, and research on ketone body metabolism.
• Animal Feed Additive: Investigated for use as a source of calcium and β-hydroxybutyrate in specialty animal nutrition for performance and health.

Basic Information

Product Name	Butanoic Acid, 3-Hydroxy-, Calcium Salt (2:1), (3R)-
CAS No.	2138463-93-9
Molecular Formula	C8H14CaO6
Molecular Weight	246.28 g/mol
Synonyms	(R)-3-Hydroxybutyric Acid Calcium Salt; Calcium (R)-3-Hydroxybutyrate; (R)-β-Hydroxybutyric Acid Calcium Salt; Calcium (R)-β-Hydroxybutyrate; (3R)-3-Hydroxybutanoic Acid Calcium Salt; BHB Calcium Salt (R-form); Calcium (R)-3-Hydroxybutanoate
EINECS	Contact for details

Quality Control

Our Butanoic Acid, 3-Hydroxy-, Calcium Salt (2:1), (3R)- is manufactured under a strict quality management system. Each batch is tested to ensure compliance with high-purity standards, including chiral purity and heavy metal limits. Certificates of Analysis (COA) detailing specific results for assay, enantiomeric excess, and impurities are provided with every shipment to guarantee traceability and consistency for your critical applications.

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). This product is hygroscopic (moisture-sensitive) and must be kept under dry conditions to prevent caking or decomposition. Keep away from incompatible materials such as strong acids.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Enantiomeric Excess (Chiral HPLC)	≥ 99.0% (R)
Loss on Drying	≤ 2.0%
Heavy Metals (as Pb)	≤ 10 ppm
Calcium Content (Titration)	15.5% - 16.5%
Residue on Ignition	≤ 0.1%

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