CAS No: 3374-22-9, Chemical Name: DL-Cysteine
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3374-22-9 DL-Cysteine

product Name DL-Cysteine
Synonyms DL-2-Amino-3-mercaptopropionic acid; 2-Amino-3-mercaptopropionic acid; Cystein; Cysteine; Thioserine; 2-Amino-3-mercaptopropanoic acid
Molecular Formula C3H7NO2S
Molecular Weight 121.1582
InChI InChI=1/C3H7NO2S/c4-2(1-7)3(5)6/h2,7H,1,4H2,(H,5,6)/t2-/m0/s1
CAS Registry Number 3374-22-9
EINECS 222-160-2
Molecular Structure 3374-22-9 DL-Cysteine
Density 1.334g/cm3
Melting point 225℃ (dec.)
Boiling point 293.9°C at 760 mmHg
Refractive index 1.549
Flash point 131.5°C
Vapour Pressur 0.000411mmHg at 25°C
Hazard Symbols
Risk Codes
Safety Description