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