(4R)-4-hydroxycyclopent-2-en-1-one

Also known as: (4R)-(+)-HYDROXY-2-CYCLOPENTEN-1-ONE, (R)-4-Hydroxycyclopent-2-en-1-one, (R)-4-Hydroxycyclopent-2-enone, 2-Cyclopenten-1-one,4-hydroxy-, (4R)-, 4-hydroxycyclopent-2-enone

(4R)-4-hydroxycyclopent-2-en-1-one (CAS 59995-47-0) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C5H6O2 and a molecular weight of 98.09990 g/mol. Key properties include a boiling point of 243.7ºC at 760 mmHg, a density of 1.299g/cm3 and a flash point of 99.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 59995-47-0
Jingsj CID: J-1430339-0
Molecular Formula: C₅H₆O₂
Molecular Weight: 98.09990 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	243.7ºC at 760 mmHg
Density	1.299g/cm3
Flash Point	99.9ºC
Exact Mass	98.03680
PSA	37.30000
Refractive Index	1.559

Customs & Trade Information

HS Code	2914400090
Summary	2914400090 other ketone-alcohols and ketone-aldehydes。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of (4R)-4-hydroxycyclopent-2-en-1-one?

The CAS number of (4R)-4-hydroxycyclopent-2-en-1-one is 59995-47-0.

What are the molecular formula and molecular weight of (4R)-4-hydroxycyclopent-2-en-1-one?

(4R)-4-hydroxycyclopent-2-en-1-one has molecular formula C5H6O2 and molecular weight 98.09990 g/mol.

What are the upstream and downstream products of (4R)-4-hydroxycyclopent-2-en-1-one?

For (4R)-4-hydroxycyclopent-2-en-1-one, Downstream Products: 1,3-Cyclopentanedione, (4R)-4-hydroxycyclopent-2-en-1-one, Cyclopentanol.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "(4R)-4-hydroxycyclopent-2-en-1-one (CAS 59995-47-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1430339-0 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.