4-Hydroxyisoleucine
4-羟基异亮氨酸
Also known as: (2S,3R)-2-Amino-4-hydroxy-3-methylpentanoic acid, 4-Hydroxy-L-isoleucine, L-4-Hydroxyisoleucine, (4S)-4-Hydroxy-L-isoleucine
4-Hydroxyisoleucine (CAS 781658-23-9) 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. It is also known as (2S,3R)-2-Amino-4-hydroxy-3-methylpentanoic acid, 4-Hydroxy-L-isoleucine and L-4-Hydroxyisoleucine. Key properties include a melting point of >200ºC, 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. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 781658-23-9
- Jingsj CID
- J-1971509-2
- Molecular Formula
- C6H13NO3
- Chinese Name
- 4-羟基异亮氨酸
- 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 | >200ºC |
|---|---|
| Boiling Point | 331.6±32.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 154.4±25.1 °C |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of 4-Hydroxyisoleucine?
The CAS number of 4-Hydroxyisoleucine is 781658-23-9.
What are the molecular formula and molecular weight of 4-Hydroxyisoleucine?
4-Hydroxyisoleucine has molecular formula C6H13NO3 and molecular weight 147.172 g/mol.
Is 4-Hydroxyisoleucine hazardous?
4-Hydroxyisoleucine has GHS signal word Warning.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Hydroxyisoleucine (CAS 781658-23-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1971509-2 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.