(R)-(−)-4-Penten-2-ol

CAS 64584-92-5H2C=CHCH2CH(OH)CH3Chemical Synthesis

(R)-(−)-4-Penten-2-ol (CAS 64584-92-5) is a chiral alcohol with the linear formula H₂C=CHCH₂CH(OH)CH₃ and a molecular weight of 86.13 g/mol. This optically active compound is a valuable building block in organic synthesis, particularly in asymmetric reactions. Its pentenyl alcohol structure makes it suitable for introducing chiral centres and unsaturated functionalities into more complex molecules across various chemical research and development applications.

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(R)-(−)-4-Penten-2-ol (H2C=CHCH2CH(OH)CH3) — chemical structure, CAS 64584-92-5; Chemistry, fine chemical supplied by Tech Serve Solutions

AlcoholsAsymmetric SynthesisChemical SynthesisChiral Building BlocksOrganic Building Blocks

01 /Applications

Chiral Building Block

(R)-(−)-4-Penten-2-ol serves as a key chiral synthon in the construction of enantiomerically pure molecules. Its defined stereochemistry is crucial for applications where specific biological activity or material properties are required.

Organic Synthesis Intermediate

The presence of both a hydroxyl group and a terminal alkene allows for diverse chemical transformations. It can be utilized in reactions such as oxidation, esterification, etherification, and olefin metathesis, making it a versatile intermediate.

Asymmetric Synthesis

As an enantiomerically enriched alcohol, it is employed in asymmetric synthesis to create complex chiral targets. Researchers leverage its structure to control stereochemistry in multi-step synthetic pathways.

02 /Properties

Molecular weight	86.13
Linear formula	H2C=CHCH2CH(OH)CH3
Assay	95%
Boiling point	115-116 °C(lit.)
Density	0.837 g/mL at 25 °C(lit.)
Refractive index	n20/D 1.4240(lit.)
Optical activity	[α]20/D −5.0°, neat

03 /Safety & handling

GHS hazard pictogram: Flammable (GHS02) — Flammable

Warning

Hazard statements

H226Flammable liquid and vapour

Protective equipment	Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
Flash point	25 °C / 77 °F
Transport (UN / ADR)	UN 1987C 3 / PGIII
Water hazard class (WGK, DE)	3
Risk statements (R)	10

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

04 /Identifiers & registry

CAS number

64584-92-5

MDL number

MFCD03701536

PubChem substance

24879716

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)-(−)-4-Penten-2-ol used for?

This compound is primarily used as a chiral building block and intermediate in organic synthesis, particularly in asymmetric synthesis applications requiring a specific enantiomer.

What is the CAS number and formula for (R)-(−)-4-Penten-2-ol?

The CAS number is 64584-92-5, and the linear formula is H₂C=CHCH₂CH(OH)CH₃.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies (R)-(−)-4-Penten-2-ol with an assay of 95%. We do not represent this product as USP, BP, or EP grade.

How should (R)-(−)-4-Penten-2-ol be handled safely?

This compound is a flammable liquid (H226) and requires careful handling. Use appropriate personal protective equipment, including eyeshields and gloves, and ensure adequate ventilation. Store away from ignition sources.

How is (R)-(−)-4-Penten-2-ol packed and shipped?

(R)-(−)-4-Penten-2-ol is packed and shipped according to international regulations for hazardous materials, including UN 1987 (C3, PGIII).

How can I request a sample or quote for (R)-(−)-4-Penten-2-ol?

To request a sample or quote, please contact our sales department through the website or by phone, providing your specific requirements and delivery details.