(2R)-2-Amino-4-methoxy-4-oxobutanoic acid hydrochloride
(R)-2-氨基-4-甲氧基-4-氧代丁酸盐酸盐
Also known as: 4-Methyl hydrogen D-aspartate hydrochloride, D-Aspartic acid beta-methyl ester hydrochloride, (2R)-2-Amino-4-methoxy-4-oxobutanoic acid hydrochloride (1:1), 4-Methyl hydrogen D-aspartate HCl, 4-methyl D-aspartate hydrochloride, D-Aspartic acid, 4-methyl ester, hydrochloride (1:1), D-aspartic acid b-methyl ester hydrochloride, EINECS 245-179-8
(2R)-2-Amino-4-methoxy-4-oxobutanoic acid hydrochloride (CAS 22728-89-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H10ClNO4 and a molecular weight of 183.590 g/mol. It is also known as 4-Methyl hydrogen D-aspartate hydrochloride, D-Aspartic acid beta-methyl ester hydrochloride and (2R)-2-Amino-4-methoxy-4-oxobutanoic acid hydrochloride (1:1). Key properties include a boiling point of 329ºC at 760mmHg and a flash point of 152.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 22728-89-8
- Jingsj CID
- J-1491651-7
- Molecular Formula
- C5H10ClNO4
- Chinese Name
- (R)-2-氨基-4-甲氧基-4-氧代丁酸盐酸盐
- Molecular Weight
- 183.590 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 329ºC at 760mmHg |
|---|---|
| Flash Point | 152.8ºC |
| Exact Mass | 183.029831 |
| PSA | 100.62000 |
| LogP | 0.88840 |
| Vapor Pressure | 3.6E-05mmHg at 25°C |
Customs & Trade Information
| HS Code | 2922509090 |
|---|---|
| Summary | 2922509090. other amino-alcohol-phenols, amino-acid-phenols and other amino-compounds with oxygen function. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of (2R)-2-Amino-4-methoxy-4-oxobutanoic acid hydrochloride?
The CAS number of (2R)-2-Amino-4-methoxy-4-oxobutanoic acid hydrochloride is 22728-89-8.
What are the molecular formula and molecular weight of (2R)-2-Amino-4-methoxy-4-oxobutanoic acid hydrochloride?
(2R)-2-Amino-4-methoxy-4-oxobutanoic acid hydrochloride has molecular formula C5H10ClNO4 and molecular weight 183.590 g/mol.
What are the upstream and downstream products of (2R)-2-Amino-4-methoxy-4-oxobutanoic acid hydrochloride?
For (2R)-2-Amino-4-methoxy-4-oxobutanoic acid hydrochloride, Upstream Products: D-Aspartic acid, Methanol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "(2R)-2-Amino-4-methoxy-4-oxobutanoic acid hydrochloride (CAS 22728-89-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1491651-7 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.