L-AP4
L-APB
Also known as: (2S)-2-Amino-4-phosphonobutanoic acid, (2S)-2-Amino-4-phosphonobutyric acid, (S)-2-amino-4-phosphonobutanoic acid, (S)-4-Phosphono-2-aminobutanoic acid, (S)-4-Phosphono-2-aminobutyric acid, 2-amino-4-phosphonobutyric acid, 2S-amino-4-phosphono-butanoic acid, Butanoic acid, 2-amino-4-phosphono-, (2S)-, L(+)-2-AMINO-4-PHOSPHONOBUTANOIC ACID, L(+)-2-AMINO-4-PHOSPHONOBUTYRIC ACID 97%, L-(+)-2-AMINO-4-PHOSPHONOBUTYRIC ACID, L-(+)-2-AMINO-4-PHOSPHONOBUTYRIC ACID (L-AP4), L-(+)-2-Amino-4-phosphonobutyric acid, L-2-amino-4-phosphonobutyric acid, MFCD00083244, l-ap-4 l-ap4, l-ap-4,l-ap4
L-AP4 (CAS 23052-81-5) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C4H10NO5P and a molecular weight of 183.100 g/mol. It is also known as (2S)-2-Amino-4-phosphonobutanoic acid, (2S)-2-Amino-4-phosphonobutyric acid and (S)-2-amino-4-phosphonobutanoic acid. Key properties include a melting point of 207-215 °C, a boiling point of 491.7±55.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 251.2±31.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 23052-81-5
- Jingsj CID
- J-40853-0
- Molecular Formula
- C4H10NO5P
- Chinese Name
- L-APB
- Molecular Weight
- 183.100 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 207-215 °C |
|---|---|
| Boiling Point | 491.7±55.0 °C at 760 mmHg |
| Density | 1.6±0.1 g/cm3 |
| Flash Point | 251.2±31.5 °C |
| Exact Mass | 183.029663 |
| PSA | 130.66000 |
| LogP | -2.39 |
| Vapor Pressure | 0.0±2.7 mmHg at 25°C |
| Refractive Index | 1.546 |
| Storage Conditions | 0-6℃ |
Activity & Biological Data
| Target | mGlu4:0.13 μM (EC50) mGlu8:0.29 μM (EC50) mGlu6:1.0 μM (EC50) mGlu7:249 μM (EC50) |
|---|---|
| Additional Information | [1]. Selvam C, et al. Increased Potency and Selectivity for Group III Metabotropic Glutamate Receptor Agonists Binding at Dual sites. J Med Chem. 2018 Mar 8;61(5):1969-1989. [2]. Chen SR, et al. Distinct roles of group III metabotropic glutamate receptors in control of nociception and dorsal horn neurons in normal and nerve-injured Rats. J Pharmacol Exp Ther. 2005 Jan;312(1):120-6. |
Customs & Trade Information
| HS Code | 2931900090 |
|---|---|
| Summary | 2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. 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-AP4?
The CAS number of L-AP4 is 23052-81-5.
What are the molecular formula and molecular weight of L-AP4?
L-AP4 has molecular formula C4H10NO5P and molecular weight 183.100 g/mol.
What are the upstream and downstream products of L-AP4?
For L-AP4, Upstream Products: Diethyl vinylphosphonate.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "L-AP4 (CAS 23052-81-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-40853-0 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.