D-Leucine
Also known as: H-D-Leu-OH, (R)-2-Amino-4-methylpentanoic acid, (R)-2-Amino-4-methylvaleric acid, D-2-Amino-4-methylpentanoic acid, D-2-Amino-4-methylvaleric acid, D-Leu, D-Homo-valine, (R)-Leucine, Leucine, D-, MFCD00063088, EINECS 206-327-7
D-Leucine (CAS 328-38-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H13NO2 and a molecular weight of 131.173 g/mol. Key properties include a melting point of > 300ºC, a boiling point of 225.8±23.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 90.3±22.6 °C. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.
- CAS No.
- 328-38-1
- Jingsj CID
- J-1076601-5
- Molecular Formula
- C6H13NO2
- Molecular Weight
- 131.173 g/mol
- Category
- Organic Acids
- Last updated
- 11/3/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | > 300ºC |
|---|---|
| Boiling Point | 225.8±23.0 °C at 760 mmHg |
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 90.3±22.6 °C |
| Exact Mass | 131.094635 |
| PSA | 63.32000 |
| LogP | 0.73 |
| Vapor Pressure | 0.0±0.9 mmHg at 25°C |
| Refractive Index | 1.463 |
Activity & Biological Data
| Target | Human Endogenous Metabolite |
|---|---|
| Additional Information | [1]. Xiaoyu Cao, et al. Combination of PARP Inhibitor and Temozolomide to Suppress Chordoma Progression. J Mol Med (Berl). 2019 Aug;97(8):1183-1193 |
Customs & Trade Information
| HS Code | 2922499990 |
|---|---|
| Summary | HS:2922499990 other amino-acids, other than those containing more than one kind of oxygen function, and their esters; salts thereof VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:6.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of D-Leucine?
The CAS number of D-Leucine is 328-38-1.
What are the molecular formula and molecular weight of D-Leucine?
D-Leucine has molecular formula C6H13NO2 and molecular weight 131.173 g/mol.
What are the upstream and downstream products of D-Leucine?
For D-Leucine, Upstream Products: DL-Leucine; Downstream Products: tert-Butyl (R)-2-hydroxy-4-methylpentanoate, 4-Methyl-2-oxovaleric acid, D(-)-Glutamic 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. "D-Leucine (CAS 328-38-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1076601-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.