Skip to main content

3-Hydroxyglutaric acid

Also known as: 3-Hydroxypentanedioic acid, 2,4-Dideoxypentaric acid, 3-Hydroxyglutarate, 3-Hydroxy-pentanedioic acid, b-Hydroxyglutaric acid, Pentanedioic acid, 3-hydroxy-, 3HG

3-Hydroxyglutaric acid (CAS 638-18-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H8O5 and a molecular weight of 148.11400 g/mol. Key properties include a melting point of 94-96ºC, a boiling point of 365ºC at 760 mmHg, a density of 1.508g/cm3 and a flash point of 188.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
638-18-6
Jingsj CID
J-1971052-2
Molecular Formula
C5H8O5
Molecular Weight
148.11400 g/mol
Category
Organic Acids
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point94-96ºC
Boiling Point365ºC at 760 mmHg
Density1.508g/cm3
Flash Point188.7ºC
Exact Mass148.03700
PSA94.83000
Refractive Index1.519
Storage Conditions-20 °C

Activity & Biological Data

TargetHuman Endogenous Metabolite
Additional Information[1]. Rosa RB, et al. Evidence that 3-hydroxyglutaric acid interacts with NMDA receptors in synaptic plasma membranes from cerebral cortex of young rats. Neurochem Int. 2004 Dec;45(7):1087-94.

Customs & Trade Information

HS Code2918199090
Summary2918199090 other carboxylic acids with alcohol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 3-Hydroxyglutaric acid?

The CAS number of 3-Hydroxyglutaric acid is 638-18-6.

What are the molecular formula and molecular weight of 3-Hydroxyglutaric acid?

3-Hydroxyglutaric acid has molecular formula C5H8O5 and molecular weight 148.11400 g/mol.

What are the upstream and downstream products of 3-Hydroxyglutaric acid?

For 3-Hydroxyglutaric acid, Upstream Products: Dimethyl 3-hydroxyglutarate, Dimethyl 1,3-acetonedicarboxylate, Diethyl 3-hydroxyglutarate; Downstream Products: Diethyl 3-hydroxyglutarate, Glutaric acid, 3-Butenoic acid.

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

Last updated:

How to cite: Jingsj. "3-Hydroxyglutaric acid (CAS 638-18-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1971052-2 (accessed 2026-11-09).

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