(R)-2-Aminobutyric acid
Also known as: H-D-Abu-OH, (R)-(-)-2-Aminobutyric acid, (R)-(-)-2-Amino-n-butyric acid, (2R)-2-Aminobutanoic acid, D-2-Aminobutyric acid, D-alpha-Aminobutyric acid, D-Ethylglycine, Aminobutanoic acid, 2-Aminobutyric acid, Abu
(R)-2-Aminobutyric acid (CAS 2623-91-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H9NO2 and a molecular weight of 103.120 g/mol. Key properties include a melting point of 300ºC, a boiling point of 215.2±23.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 83.9±22.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2623-91-8
- Jingsj CID
- J-17359-1
- Molecular Formula
- C4H9NO2
- Molecular Weight
- 103.120 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 300ºC |
|---|---|
| Boiling Point | 215.2±23.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 83.9±22.6 °C |
| Exact Mass | 103.063332 |
| PSA | 63.32000 |
| LogP | -0.15 |
| Vapor Pressure | 0.1±0.9 mmHg at 25°C |
| Refractive Index | 1.462 |
Activity & Biological Data
| Target | Human Endogenous Metabolite |
|---|---|
| Additional Information | [1]. Yagi K, et al. Spectroscopic demonstration of an initial stage of the complex of D-amino acid oxidase and its substrate D-alpha-aminobutyric acid. Biochem Biophys Res Commun. 1980 Nov 28;97(2):370-4. |
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 (R)-2-Aminobutyric acid?
The CAS number of (R)-2-Aminobutyric acid is 2623-91-8.
What are the molecular formula and molecular weight of (R)-2-Aminobutyric acid?
(R)-2-Aminobutyric acid has molecular formula C4H9NO2 and molecular weight 103.120 g/mol.
What are the upstream and downstream products of (R)-2-Aminobutyric acid?
For (R)-2-Aminobutyric acid, Upstream Products: D-Methionine, L(+)-2-Aminobutyric acid, 2-Oxobutanoic acid; Downstream Products: (R)-2-Acetamidobutanoic acid, Boc-D-2-aminobutyric acid, 2-Oxobutanoic 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. "(R)-2-Aminobutyric acid (CAS 2623-91-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-17359-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.