L-Aspartic acid 4-tert-butyl-1-methyl ester hydrochloride
Also known as: H-Asp(OtBu)-OMe hydrochloride, H-Asp(OtBu)-OMe HCl, L-Aspartic acid beta-tert-butyl alpha-methyl ester hydrochloride, 4-O-tert-butyl 1-O-methyl (2S)-2-aminobutanedioate hydrochloride, L-Aspartic acid, 4-(1,1-dimethylethyl) 1-methyl ester, hydrochloride (1:1)
L-Aspartic acid 4-tert-butyl-1-methyl ester hydrochloride (CAS 2673-19-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H18ClNO4 and a molecular weight of 239.697 g/mol. Key properties include a boiling point of 301.1ºC at 760mmHg and a flash point of 135.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2673-19-0
- Jingsj CID
- J-1957983-0
- Molecular Formula
- C9H18ClNO4
- Molecular Weight
- 239.697 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 301.1ºC at 760mmHg |
|---|---|
| Flash Point | 135.9ºC |
| Exact Mass | 239.092438 |
| PSA | 78.62000 |
| LogP | 1.72080 |
| Appearance | Solid |
| Vapor Pressure | 0.000807mmHg at 25°C |
| Storage Conditions | 2-8°C |
Activity & Biological Data
| Additional Information | [1]. Luckose F, et al. Effects of amino acid derivatives on physical, mental, and physiological activities. Crit Rev Food Sci Nutr. 2015;55(13):1793-1144. |
|---|
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 L-Aspartic acid 4-tert-butyl-1-methyl ester hydrochloride?
The CAS number of L-Aspartic acid 4-tert-butyl-1-methyl ester hydrochloride is 2673-19-0.
What are the molecular formula and molecular weight of L-Aspartic acid 4-tert-butyl-1-methyl ester hydrochloride?
L-Aspartic acid 4-tert-butyl-1-methyl ester hydrochloride has molecular formula C9H18ClNO4 and molecular weight 239.697 g/mol.
What are the upstream and downstream products of L-Aspartic acid 4-tert-butyl-1-methyl ester hydrochloride?
For L-Aspartic acid 4-tert-butyl-1-methyl ester hydrochloride, Upstream Products: Z-L-aspartic acid β-tert-butyl ester α-methyl ester; Downstream Products: Boc-L-aspartic acid 4-tert-butyl ester.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "L-Aspartic acid 4-tert-butyl-1-methyl ester hydrochloride (CAS 2673-19-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1957983-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.