Description

Asperketal B is a specialized chemical intermediate with the CAS registry number 114763-51-8. This compound is valued for its unique ketal functional group, which provides versatility in synthetic organic chemistry, particularly in protecting sensitive carbonyl groups during multi-step synthesis. It is primarily utilized by research institutions and industrial manufacturers in the pharmaceutical and fine chemical sectors for the development of active pharmaceutical ingredients (APIs) and advanced materials.

Application

• Pharmaceutical Synthesis: A key protecting group reagent for carbonyl functionalities in the multi-step synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Fine Chemical Production: Serves as a crucial building block in the manufacture of specialty chemicals, agrochemicals, and performance materials.
• Organic Chemistry Research: Used in academic and industrial R&D laboratories for method development and exploring novel synthetic pathways.
• Process Chemistry: Employed in scale-up and optimization of chemical processes where selective protection and deprotection steps are required.

Basic Information

Product Name	Asperketal B
CAS No.	114763-51-8
Molecular Formula	C9H16O4
Molecular Weight	188.22 g/mol
Synonyms	1,2:5,6-Di-O-isopropylidene-α-D-glucofuranose; Diacetone Glucose; Diacetone-D-glucose; 1,2:5,6-Di-O-(1-methylethylidene)-α-D-glucofuranose; α-D-Glucofuranose, 1,2:5,6-bis-O-(1-methylethylidene)-; Diisopropylidene glucose; Asperketal B (proprietary grade)
EINECS	Contact for details

Quality Control

Our Asperketal B is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chromatographic purity assays and identity confirmation, to ensure it meets the high standards required for synthetic applications. Certificates of Analysis (COA) detailing purity, physical characteristics, and test results are provided with every shipment and are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from heat, sparks, and open flame. The container should be kept tightly closed when not in use to prevent moisture absorption.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Melting Point	108°C - 112°C
Specific Rotation	Contact for details
Loss on Drying	≤ 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.