(S)-2-Amino-2-methyl-4-phosphonobutanoic acid
(S)-2-氨基-2-甲基-4-膦酰基丁酸
Also known as: MAP4, 4-Phosphono-L-isovaline, alpha-Methyl-L-AP4, (S)-2-Amino-2-methyl-4-phosphonobutyric acid, A-Methyl-L-AP4
(S)-2-Amino-2-methyl-4-phosphonobutanoic acid (CAS 157381-42-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H12NO5P and a molecular weight of 197.12600 g/mol. It is also known as MAP4, 4-Phosphono-L-isovaline and alpha-Methyl-L-AP4. Key properties include a boiling point of 472.1ºC at 760mmHg and a flash point of 239.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 157381-42-5
- Jingsj CID
- J-24936-4
- Molecular Formula
- C5H12NO5P
- Chinese Name
- (S)-2-氨基-2-甲基-4-膦酰基丁酸
- Molecular Weight
- 197.12600 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 472.1ºC at 760mmHg |
|---|---|
| Flash Point | 239.3ºC |
Frequently Asked Questions
What is the CAS number of (S)-2-Amino-2-methyl-4-phosphonobutanoic acid?
The CAS number of (S)-2-Amino-2-methyl-4-phosphonobutanoic acid is 157381-42-5.
What are the molecular formula and molecular weight of (S)-2-Amino-2-methyl-4-phosphonobutanoic acid?
(S)-2-Amino-2-methyl-4-phosphonobutanoic acid has molecular formula C5H12NO5P and molecular weight 197.12600 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "(S)-2-Amino-2-methyl-4-phosphonobutanoic acid (CAS 157381-42-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-24936-4 (accessed 2026-10-23).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.