2-ammonio-3-sulfanylpropanoate
C₃H₇NO₂S·121.160 g/mol·CID 5260155
IUPAC: 2-azaniumyl-3-sulfanylpropanoate
Also known as: cysteine zwitterion, 2-ammonio-3-mercaptopropanoate, CHEBI:35237, (+)H3N-CH(CH2SH)-COO(-), 7242-49-1
Molecular Structure
Molecular Propertiesmass · H-bonds · stereo
Molecular Weight
121.160g/mol
Exact Mass
121.019750Da
Monoisotopic Mass
121.019750Da
XLogP
-1.8
Polar Surface Area
68.8Ų
Complexity
69
Formal Charge
0
H-Bond Donors
2
H-Bond Acceptors
3
Rotatable Bonds
1
Heavy Atoms
7
Stereo Centers
0
Bond Stereo
0
Drug-Likeness (Lipinski's Rule of Five)
✓ 121.2 g/mol
MW ≤ 500
✓ -1.8
LogP ≤ 5
✓ 2
H-bond donors ≤ 5
✓ 3
H-bond acceptors ≤ 10
Passes all rules — good oral bioavailability predicted