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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 192579Generated: November 5, 2026

2-Amino-3-((phosphonomethyl)thio)propionic acid

L-Cysteine, S-(phosphonomethyl)- · 2-amino-3-((phosphonomethyl)thio)propionic acid

https://huagongshe.com/en/chemical/192579

2-Amino-3-((phosphonomethyl)thio)propionic acid molecular structure

Identifiers & Physical Properties

CAS No.152269-49-3
Molecular formulaC4H10NO5PS
Average molar mass215.17 g/mol
Monoisotopic mass215.00173059 g/mol
SMILESN[C@@H](CSCP(=O)(O)O)C(=O)O
InChIKeyIIALWEPLPCANHU-VKHMYHEASA-N
PubChem CID192579
ChEMBLCHEMBL175970
DTXSIDDTXSID60934458

Chemical & Physical Properties

XLogP-4.4
Topological polar surface area146
Hydrogen bond donors4
Hydrogen bond acceptors7
Rotatable bonds5
Heavy atoms12
Formal charge0
Complexity204
DrugsPharmaceuticals -> Listed in ZINC15
Boiling point506.548±60.00 °C(Press: 760.00 Torr)(predicted)
Density1.703±0.06 g/cm3(Temp: 25 °CPress: 760 Torr)(predicted)
pKa (acidity coefficient)1.679±0.14(predicted)
FDA UNIIR021QK26O0