(R)-(+)-α-Hydroxy-γ-butyrolactone

CAS 56881-90-4C4H6O3Chemical Synthesis

(R)-(+)-α-Hydroxy-γ-butyrolactone (CAS: 56881-90-4, C4H6O3) is a chiral building block with a molecular weight of 102.09 g/mol. This optically active lactone is primarily utilized in asymmetric synthesis and organic chemical synthesis. Its defined stereochemistry makes it valuable for constructing complex chiral molecules. Tech Serve Solutions supplies this compound with a guaranteed assay of 97%.

IUPAC: (R)-4,5-Dihydro-3-hydroxy-2(3H)-furanone
Synonyms: (R)-4,5-Dihydro-3-hydroxy-2(3H)-furanone

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(R)-(+)-α-Hydroxy-γ-butyrolactone (C4H6O3) — chemical structure, CAS 56881-90-4; Chemistry, fine chemical supplied by Tech Serve Solutions

Asymmetric SynthesisChemical SynthesisChiral Building BlocksLactonesOrganic Building Blocks

01 /Applications

Asymmetric Synthesis

Serves as a chiral precursor in stereoselective synthetic routes. Its inherent chirality allows for the controlled introduction of stereocenters in target molecules.

Organic Building Block

A versatile intermediate for the synthesis of various organic compounds. It can be incorporated into diverse molecular architectures due to its reactive lactone and hydroxyl functionalities.

Pharmaceutical Intermediate Development

Potentially used in the multi-step synthesis of complex pharmaceutical agents where specific stereochemistry is critical for biological activity.

02 /Properties

Molecular weight	102.09
Empirical formula	C4H6O3
Assay	97%
Boiling point	133 °C/10 mmHg(lit.)
Density	1.309 g/mL at 25 °C(lit.)
Refractive index	n20/D 1.467(lit.)
Optical activity	[α]23/D +66°, c = 1.15 in chloroform
Optical purity	ee: 98% (GLC)

03 /Safety & handling

Protective equipment	Eyeshields, Gloves
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

56881-90-4

MDL number

MFCD00211246

Beilstein registry

80588

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 (R)-(+)-α-Hydroxy-γ-butyrolactone primarily used for?

(R)-(+)-α-Hydroxy-γ-butyrolactone is primarily used as a chiral building block in asymmetric synthesis and general organic chemical synthesis.

What is the CAS number and chemical formula for (R)-(+)-α-Hydroxy-γ-butyrolactone?

The CAS number is 56881-90-4 and the chemical formula is C4H6O3.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies (R)-(+)-α-Hydroxy-γ-butyrolactone with an assay of 97%. This is a technical/research grade chemical, and TSS does not represent it as USP, BP, or EP grade.

What are the safety and handling recommendations for this compound?

Recommended personal protective equipment includes eyeshields and gloves. This compound is combustible, with a flash point greater than 113 °C (235.4 °F). Handle with appropriate care in a well-ventilated area.

How is (R)-(+)-α-Hydroxy-γ-butyrolactone packed and shipped?

As a global supplier and exporter, Tech Serve Solutions ensures appropriate packaging for safe transit, adhering to international shipping regulations for chemicals.