4-Hydroxyisoleucine
Also known as: 4-Hydroxy-L-isoleucine, HIL, (4S)-4-hydroxy-L-isoleucine, (2S,3R,4S)-4-Hydroxyisoleucine, (2S,3R)-2-Amino-4-hydroxy-3-methylpentanoic acid, 4-HYDROXYISOLEUCINE, HYDROXYISOLEUCINE, 4-
4-Hydroxyisoleucine (CAS 55399-93-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H13NO3 and a molecular weight of 147.172 g/mol. Key properties include a melting point of 223-224℃, a boiling point of 331.6±32.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 154.4±25.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 55399-93-4
- Jingsj CID
- J-1959346-7
- Molecular Formula
- C6H13NO3
- Molecular Weight
- 147.172 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 223-224℃ |
|---|---|
| Boiling Point | 331.6±32.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 154.4±25.1 °C |
| Exact Mass | 147.089539 |
| PSA | 83.55000 |
| LogP | -0.44 |
| Vapor Pressure | 0.0±1.6 mmHg at 25°C |
| Refractive Index | 1.496 |
| Storage Conditions | 2-8°C |
Activity & Biological Data
| Additional Information | [1]. Shi X, et al. Engineering a short-chain dehydrogenase/reductase for the stereoselective production of (2S,3R,4S)-4-hydroxyisoleucine with three asymmetric centers. Sci Rep. 2017 Oct 20;7(1):13703. |
|---|
Customs & Trade Information
| HS Code | 2922509090 |
|---|---|
| Summary | 2922509090. other amino-alcohol-phenols, amino-acid-phenols and other amino-compounds with oxygen function. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 4-Hydroxyisoleucine?
The CAS number of 4-Hydroxyisoleucine is 55399-93-4.
What are the molecular formula and molecular weight of 4-Hydroxyisoleucine?
4-Hydroxyisoleucine has molecular formula C6H13NO3 and molecular weight 147.172 g/mol.
What are the upstream and downstream products of 4-Hydroxyisoleucine?
For 4-Hydroxyisoleucine, Upstream Products: 2-Oxobutanoic acid, ch3cho.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Hydroxyisoleucine (CAS 55399-93-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1959346-7 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.