Methyl (3S)-3-hydroxypentanoate
Also known as: (+)-Methyl (S)-3-hydroxypentanoate, (+)-Methyl (S)-3-hydroxyvalerate, (S)-(+)-Methyl 3-hydroxypentanoate, Methyl (S)-3-hydroxyvalerate, Methyl (S)-3-hydroxypentanoate, Methyl L-(S)-3-hydroxypentanoate, Pentanoic acid, 3-hydroxy-, methyl ester, (3S)-
Methyl (3S)-3-hydroxypentanoate (CAS 42558-50-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H12O3 and a molecular weight of 132.158 g/mol. Key properties include a boiling point of 203.9±13.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 80.9±12.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 42558-50-9
- Jingsj CID
- J-48751-4
- Molecular Formula
- C6H12O3
- Molecular Weight
- 132.158 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 203.9±13.0 °C at 760 mmHg |
|---|---|
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 80.9±12.6 °C |
| Exact Mass | 132.078644 |
| PSA | 46.53000 |
| LogP | -0.02 |
| Vapor Pressure | 0.1±0.9 mmHg at 25°C |
| Refractive Index | 1.427 |
Customs & Trade Information
| HS Code | 2918199090 |
|---|---|
| Summary | 2918199090 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 Methyl (3S)-3-hydroxypentanoate?
The CAS number of Methyl (3S)-3-hydroxypentanoate is 42558-50-9.
What are the molecular formula and molecular weight of Methyl (3S)-3-hydroxypentanoate?
Methyl (3S)-3-hydroxypentanoate has molecular formula C6H12O3 and molecular weight 132.158 g/mol.
What are the upstream and downstream products of Methyl (3S)-3-hydroxypentanoate?
For Methyl (3S)-3-hydroxypentanoate, Upstream Products: Methyl 3-oxovalerate, Methanol, 3-Oxopentanoic acid; Downstream Products: (3S,6S)-2,7-dimethyloctane-3,6-diol, (3R,6R)-3,6-Octanediol, (3S,6S)-3,6-Octanediol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Methyl (3S)-3-hydroxypentanoate (CAS 42558-50-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-48751-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.