Skip to main content
Jingsj
.mol.sdf

4-Phosphonomethyl-L-phenylalanine

Also known as: (2S)-2-amino-3-[4-(phosphonomethyl)phenyl]propanoic acid, (S)-2-Amino-3-[4-(phosphonomethyl)phenyl]propanoic Acid, 4-phosphonomethylphenylalanine, H-L-Pmp-OH, L-4-(phosphonomethyl)-Phe-OH, L-4-phosphonomethyl-Phenylalanine, L-Phenylalanine, 4-(phosphonomethyl)-

4-Phosphonomethyl-L-phenylalanine (CAS 142434-81-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H14NO5P and a molecular weight of 259.19600 g/mol. Key properties include a boiling point of 544.7ºC at 760mmHg, a density of 1.499g/cm3 and a flash point of 283.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
142434-81-9
Jingsj CID
J-1120974-8
Molecular Formula
C10H14NO5P
Molecular Weight
259.19600 g/mol
Category
Organic Acids
Last updated
8/21/2026
Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point544.7ºC at 760mmHg
Density1.499g/cm3
Flash Point283.2ºC
Exact Mass259.06100
PSA130.66000
LogP1.01900
Vapor Pressure1.07E-12mmHg at 25°C
Refractive Index1.615

Frequently Asked Questions

What is the CAS number of 4-Phosphonomethyl-L-phenylalanine?

The CAS number of 4-Phosphonomethyl-L-phenylalanine is 142434-81-9.

What are the molecular formula and molecular weight of 4-Phosphonomethyl-L-phenylalanine?

4-Phosphonomethyl-L-phenylalanine has molecular formula C10H14NO5P and molecular weight 259.19600 g/mol.

What are the upstream and downstream products of 4-Phosphonomethyl-L-phenylalanine?

For 4-Phosphonomethyl-L-phenylalanine, Upstream Products: 1,4-Bis(bromomethyl)benzene, N-Acetyl-L-phenylalanine ethyl ester; Downstream Products: Fmoc-L-4-phosphonomethylphenylalanine.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "4-Phosphonomethyl-L-phenylalanine (CAS 142434-81-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1120974-8 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.