D-Alanine
Also known as: (R)-2-aminopropanoic acid, (R)-2-aminopropionic acid, (R)-alanine, D-2-aminopropionic acid, D-α-alanine, H-D-Ala-OH, MFCD00008077, UNII:1FU7983T0U
D-Alanine (CAS 338-69-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C3H7NO2 and a molecular weight of 89.093 g/mol. Key properties include a melting point of 278-282ºC, a boiling point of 212.9±23.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 82.6±22.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 338-69-2
- Jingsj CID
- J-1064381-9
- Molecular Formula
- C3H7NO2
- Molecular Weight
- 89.093 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 278-282ºC |
|---|---|
| Boiling Point | 212.9±23.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 82.6±22.6 °C |
| Exact Mass | 89.047676 |
| PSA | 63.32000 |
| LogP | -0.68 |
| Vapor Pressure | 0.1±0.9 mmHg at 25°C |
| Refractive Index | 1.460 |
Activity & Biological Data
| Target | GlyR:9 mM (EC50) PMBA Human Endogenous Metabolite |
|---|---|
| Additional Information | [1]. Schmieden V, et al. Pharmacology of the inhibitory glycine receptor: agonist and antagonist actions of amino acids and piperidine carboxylic acid compounds. Mol Pharmacol. 1995 Nov;48(5):919-27. [2]. Saitoh T, et al. A novel antagonist, phenylbenzene omega-phosphono-alpha-amino acid, for strychnine-sensitive glycine receptors in the rat spinal cord. Br J Pharmacol. 1994 Sep;113(1):165-70. |
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-Alanine?
The CAS number of D-Alanine is 338-69-2.
What are the molecular formula and molecular weight of D-Alanine?
D-Alanine has molecular formula C3H7NO2 and molecular weight 89.093 g/mol.
What are the upstream and downstream products of D-Alanine?
For D-Alanine, Upstream Products: 1-(4-Fluorophenyl)ethanamine, Sodium pyruvate, 4-Phenylbutan-2-amine; Downstream Products: 3,6-Dimethyl-2,5-piperazinedione, Boc-DL-alanine, N-Hexadecanoyl-L-alanine.
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-Alanine (CAS 338-69-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1064381-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.