L-(+)-Cysteine hydrochloride

C3H8ClNO2SCAS 52-89-1157.61 g/mol

Open in Covalent MOL file
HClNH2HSOOH
Carboxylic acidPrimary amineThiol

Properties

Molecular formula
C3H8ClNO2S
Molar mass
157.61 g/mol
Exact mass
156.9964 Da
Melting point
170–178 °C (decomposes)
logP
-0.25Crippen estimate
Polar surface area
63.3 Ų
H-bond donors / acceptors
3 / 3
Rotatable bonds
2
Stereocentres
Rin SMILES atom order

Hazards

Warning
Irritant (GHS07)

Aggregated from 1,677 ECHA notifications, via PubChem; a share says how many notifiers assign that statement.

Precautionary statements

P264+P265, P280, P305+P351+P338, P337+P317

Identifiers

CAS number
52-89-1
SMILES
Cl.N[C@@H](CS)C(=O)O
InChIKey
IFQSXNOEEPCSLW-DKWTVANSSA-N
InChI
InChI=1S/C3H7NO2S.ClH/c4-2(1-7)3(5)6;/h2,7H,1,4H2,(H,5,6);1H/t2-;/m0./s1

Weigh it out

Type any one amount. The others follow from the molar mass.

Names and synonyms

11 names
  • L-Cysteine, hydrochloride (1:1)
  • Cysteine, hydrochloride, L-
  • L-Cysteine, hydrochloride
  • Cysteine chlorohydrate
  • Cysteine hydrochloride
  • Cystein chloride
  • (R)-Cysteine hydrochloride
  • WR 348
  • (R)-1-Carboxy-2-mercaptoethanaminium chloride
  • CSKE 200
  • (2R)-2-Amino-3-sulfanylpropanoic acid hydrochloride

Work with L-(+)-Cysteine hydrochloride

Predict the NMR spectrum1H and 13C shifts with multiplicities Make a solutionWhat to weigh for any molarity and volume Check drug-likenessLipinski, Veber and lead-likeness Isotope patternExact mass and the mass spectrum pattern

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.

Cysteine hydrochloride monohydrate7048-04-6Hydrate DL-cysteine hydrochloride hydrate96998-61-7Hydrate, stereo not defined Dl-cysteine hydrochloride monohydrate116797-51-4Hydrate, stereo not defined Cysteine52-90-4Free base D-Cysteine921-01-7Free base, enantiomer Cysteine3374-22-9Free base, stereo not defined D-Cysteine hydrochloride32443-99-5Enantiomer (±)-Cysteine hydrochloride10318-18-0Stereo not defined

Similar compounds

(S)-(+)-2,3-Diaminopropionic acid hydrochloride1482-97-962 % similar DL-2,3-Diaminopropionic acid hydrochloride54897-59-562 % similar DL-2,3-Diaminopropionic acid hydrochloride6018-55-962 % similar (R)-(-)-2,3-Diaminopropionic acid hydrochloride6018-56-062 % similar Cystine dihydrochloride30925-07-660 % similar L-Cystine, hydrochloride (1:?)34760-60-660 % similar 3-Chloro-L-alanine hydrochloride51887-89-960 % similar (s)-2-Aminobutanoic acid hydrochloride5959-29-560 % similar

Tanimoto similarity of circular fingerprints over the whole catalogue.

All similar compounds

Same formula

Isopropylsulphamoyl chloride26118-67-2

Elsewhere

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