D-Cysteine

D-Cysteine is a chemical compound registered under number CAS 921-01-7, with the molecular formula C₃H₇NO₂S, and a molar mass of 121.16 g/mol.

The molecule contains 14 atoms connected by 13 chemical bonds. The full systematic IUPAC name of this compound is (2S)-2-amino-3-sulfanylpropanoic acid. The interactive 3D model above lets you view the spatial arrangement of the atoms — you can rotate it with the mouse, zoom with the scroll wheel, and switch between skeletal / Ball & Stick / Space Fill visualization modes.

In terms of physicochemical properties, the partition coefficient logP = -2.5 (negative value, a hydrophilic compound), polar surface area PSA = 64.3 Ų, 3 donors and 4 hydrogen bond acceptors. These parameters are key when assessing bioavailability and interaction with biomolecules.

Chemical data for this compound comes from PubChem (NIH NLM NCBI), one of the world's largest chemical databases. All information is updated automatically and enriched with GHS hazard statement translations compliant with the CLP Regulation (EC 1272/2008). The widget above may be used for educational, research and commercial purposes.

Molecular formula	C3H7NO2S
Masa molowa	121.16 g/mol
IUPAC	(2S)-2-amino-3-sulfanylpropanoic acid
SMILES	C([C@H](C(=O)O)N)S
InChIKey	XUJNEKJLAYXESH-UWTATZPHSA-N
logP (XLogP3)	-2.5
PSA	64.3 Ų
HBD / HBA	3 / 4
PubChem CID	CID 92851 ↗

Signal word: Warning

H302 — Działa szkodliwie po połknięciu

D-cysteine · 921-01-7 · (2S)-2-amino-3-sulfanylpropanoic acid · Cysteine, D- · (S)-2-amino-3-mercaptopropanoic acid · D-Cystein · (S)-Cysteine · D-Zystein · CCRIS 5542 · IU8WN3PPI2 · D-Amino-3-mercaptopropionic acid · EINECS 213-062-0 · (2S)-2-amino-3-mercaptopropanoic acid · CHEBI:16375 · CYSTEINE. (S)-

• 📊 PubChem CID 92851 — NIH
• 🔬 NIST WebBook — spektroskopia
• 🌐 Wikidata
• 💊 ChEMBL — bioaktywność