DL-Cysteine
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DL-Cysteine

CAS 3374-22-9
Structure
Synonyms DL-2-Amino-3-mercaptopropanoicacid
IUPAC Name 2-Amino-3-sulfanylpropanoic acid
Molecular Weight 121.16
Molecular Formula C3H7NO2S
Canonical SMILES C(C(C(=O)O)N)S
InChI InChI=1S/C3H7NO2S/c4-2(1-7)3(5)6/h2,7H,1,4H2,(H,5,6)
InChI Key XUJNEKJLAYXESH-UHFFFAOYSA-N
Boiling Point 293.9±35.0 °C
Melting Point 225 °C (dec.)(lit.)
Purity 98%
Density 1.197 g/ml
pKa 2.07±0.10
Solubility in Water Soluble
Appearance White to off-white solid

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