DL-Allothreonine
DL-别苏氨酸
Also known as: allo-DL-Threonine, DL-Allo-Threonine, DL-2-Amino-3-hydroxybutyric acid, 2-Amino-3-hydroxybutanoic acid, DL-α-Amino-β-hydroxybutyric acid, EINECS 205-645-3
DL-Allothreonine (CAS 144-98-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H9NO3 and a molecular weight of 119.119 g/mol. It is also known as allo-DL-Threonine, DL-Allo-Threonine and DL-2-Amino-3-hydroxybutyric acid. Key properties include a melting point of 256ºC, a boiling point of 345.8±32.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 162.9±25.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 144-98-9
- Jingsj CID
- J-43544-0
- Molecular Formula
- C4H9NO3
- Chinese Name
- DL-别苏氨酸
- Molecular Weight
- 119.119 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 256ºC |
|---|---|
| Boiling Point | 345.8±32.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 162.9±25.1 °C |
Frequently Asked Questions
What is the CAS number of DL-Allothreonine?
The CAS number of DL-Allothreonine is 144-98-9.
What are the molecular formula and molecular weight of DL-Allothreonine?
DL-Allothreonine has molecular formula C4H9NO3 and molecular weight 119.119 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "DL-Allothreonine (CAS 144-98-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-43544-0 (accessed 2026-10-23).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.