(R)-2-Aminopent-4-ynoic acid
(R)-2-氨基戊-4-炔酸
Also known as: H-D-Pra-OH, D-Propargylglycine, (2R)-2-Amino-4-pentynoic acid, (R)-propargylglycine, (R)-alpha-Propargylglycine, 2-Amino-pent-4-ynoic acid, H-D-Gly(Propargyl)-OH, MFCD00237407
(R)-2-Aminopent-4-ynoic acid (CAS 23235-03-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H7NO2 and a molecular weight of 113.115 g/mol. It is also known as H-D-Pra-OH, D-Propargylglycine and (2R)-2-Amino-4-pentynoic acid. Key properties include a melting point of 205℃, a boiling point of 272.1±35.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 118.3±25.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 23235-03-2
- Jingsj CID
- J-26518-2
- Molecular Formula
- C5H7NO2
- Chinese Name
- (R)-2-氨基戊-4-炔酸
- Molecular Weight
- 113.115 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 205℃ |
|---|---|
| Boiling Point | 272.1±35.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 118.3±25.9 °C |
| Exact Mass | 113.047676 |
| PSA | 49.33000 |
| LogP | -0.03 |
| Appearance | Powder | White to pale yellow |
| Vapor Pressure | 0.0±1.2 mmHg at 25°C |
| Refractive Index | 1.513 |
| Additional Property | Slightly soluble in water. |
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-Aminopent-4-ynoic acid?
The CAS number of (R)-2-Aminopent-4-ynoic acid is 23235-03-2.
What are the molecular formula and molecular weight of (R)-2-Aminopent-4-ynoic acid?
(R)-2-Aminopent-4-ynoic acid has molecular formula C5H7NO2 and molecular weight 113.115 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "(R)-2-Aminopent-4-ynoic acid (CAS 23235-03-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-26518-2 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.