D-Cysteine
Properties
- Molecular formula
- C3H7NO2S
- Molar mass
- 121.15 g/mol
- Exact mass
- 121.0197 Da
- logP
- -0.67Crippen estimate
- Polar surface area
- 63.3 Ų
- H-bond donors / acceptors
- 3 / 3
- Rotatable bonds
- 2
- Stereocentres
- Sin SMILES atom order
Hazards
Warning
- H302 Harmful if swallowed100% of notifiers
Aggregated from 41 ECHA notifications, via PubChem; a share says how many notifiers assign that statement.
Precautionary statements
P264, P270, P301+P317, P330, P501
Identifiers
CAS number
921-01-7SMILES
N[C@H](CS)C(=O)OInChIKey
XUJNEKJLAYXESH-UWTATZPHSA-NInChI
InChI=1S/C3H7NO2S/c4-2(1-7)3(5)6/h2,7H,1,4H2,(H,5,6)/t2-/m1/s1Weigh it out
Type any one amount. The others follow from the molar mass.
Names and synonyms
5 names
- Cysteine, D-
- (S)-Cysteine
- (S)-2-Amino-3-mercaptopropanoic acid
- 18: PN: CN107114752 PAGE: 2 claimed sequence
- (2S)-2-Amino-3-sulfanylpropanoic acid
Work with D-Cysteine
Stereoisomers, salts and isotopologues
The same compound in another form: other stereochemistry, a salt or hydrate, the free acid or base, or an isotope-labelled version.
Cysteine52-90-4Enantiomer
Cysteine3374-22-9Stereo not defined
L-(+)-Cysteine hydrochloride52-89-1Salt, enantiomer
(±)-Cysteine hydrochloride10318-18-0Salt, stereo not defined
D-Cysteine hydrochloride32443-99-5Salt
Cysteine hydrochloride monohydrate7048-04-6Salt, enantiomer
DL-cysteine hydrochloride hydrate96998-61-7Salt, stereo not defined
Dl-cysteine hydrochloride monohydrate116797-51-4Salt, stereo not defined
Similar compounds
Homocysteine454-29-563 % similar
L-Homocysteine6027-13-063 % similar
DL-Serine302-84-158 % similar
D-Serine312-84-558 % similar
L-Alpha,beta-Diaminopropionic acid4033-39-058 % similar
2,3-Diaminopropionic acid515-94-658 % similar
Serine56-45-158 % similar
Diaminopimelic acid583-93-758 % similar
Tanimoto similarity of circular fingerprints over the whole catalogue.