(1S,2S)-trans-1,2-Cyclopentanediol

CAS 63261-45-0C5H10O2Chemical Synthesis

(1S,2S)-trans-1,2-Cyclopentanediol (CAS 63261-45-0) is a chiral diol with a molecular weight of 102.13 g/mol. This compound serves as a valuable building block in asymmetric synthesis. Its specific stereochemistry makes it useful for creating complex chiral molecules in organic synthesis and chemical research. Tech Serve Solutions offers this high-purity chemical for advanced research and development applications.

IUPAC: (1S)-trans-1,2-Cyclopentanediol
Synonyms: 63261-45-0C5H10O2

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(1S,2S)-trans-1,2-Cyclopentanediol (C5H10O2) — chemical structure, CAS 63261-45-0; Chemistry, fine chemical supplied by Tech Serve Solutions

Asymmetric SynthesisChemical SynthesisChiral Building BlocksOrganic Building BlocksPolyols

01 /Applications

Chiral Building Block in Asymmetric Synthesis

Utilised as a stereodefined synthon for constructing enantiomerically pure target molecules. Its trans configuration is crucial for stereoselective reactions, enabling precise control over molecular architecture.

Organic Synthesis Reagent

Employed in various organic transformations requiring a diol functionality with defined stereochemistry. It can participate in reactions such as esterification, etherification, and oxidation.

Precursor for Complex Molecules

Acts as a starting material for the synthesis of more intricate organic compounds, including pharmaceuticals, agrochemicals, and materials science research.

02 /Properties

Molecular weight	102.13
Empirical formula	C5H10O2
Assay	≥98.0% (sum of enantiomers, GC)
Optical activity	[α]20/D +21±2°, c = 1% in chloroform
Optical purity	enantiomeric ratio: ≥99.5:0.5 (GC)
Storage temperature	2-8°C
Melting point	46-50 °C

03 /Safety & handling

Protective equipment	Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
Flash point	113 °C / 235.4 °F
Water hazard class (WGK, DE)	3

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

63261-45-0

MDL number

MFCD00082581

Beilstein registry

2496900

05 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is (1S,2S)-trans-1,2-Cyclopentanediol used for?

This compound is primarily used as a chiral building block in asymmetric synthesis and general organic synthesis for creating complex molecules.

What is the CAS number and formula for (1S,2S)-trans-1,2-Cyclopentanediol?

The CAS number is 63261-45-0 and its empirical formula is C5H10O2.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies (1S,2S)-trans-1,2-Cyclopentanediol with an assay of ≥98.0% (sum of enantiomers, GC). We do not represent this product as USP, BP, or EP grade.

What are the safety and handling recommendations for this chemical?

This chemical has a flash point of 113 °C (235.4 °F) and requires appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is also recommended. Handle with care in a well-ventilated area.

How is (1S,2S)-trans-1,2-Cyclopentanediol typically packed and shipped?

Products are packed securely according to international shipping regulations. Tech Serve Solutions is an experienced global exporter of fine chemicals.