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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Reference substances

Reference substances

Currently viewing:
IUPAC name:
cysteine hydrochloride

Inventory

CAS number:
7048-04-6
Synonyms
Names:
Cysteine hydrochloride
L-Cysteine Hydrochloride Hydrate
L-Cysteine, hydrochloride
Identifier:
IUPAC name
(2R)-2-amino-3-sulfanyl-propanoic acid hydrochloride monohydrate
Identifier:
IUPAC name
L-Cysteine,hydrochloride,monohydrate
Identifier:
other: SMILES notation
C(C(C(=O)O)N)S.O.Cl
Identifier:
other: SMILES notation
C([C@H](CS)N)(O)=O.O.Cl
Identifier:
other: InChl
InChI=1/C3H7NO2S.ClH.H2O/c4-2(1-7)3(5)6;;/h2,7H,1,4H2,(H,5,6);1H;1H2/t2-;;/m0../s1
Identifier:
other: InChl
InChI=1S/C3H7NO2S.ClH.H2O/c4-2(1-7)3(5)6;;/h2,7H,1,4H2,(H,5,6);1H;1H2/t2-;;/m0../s1
Identifier:
other: SMILES notation
O.Cl.N[C@@H](CS)C(O)=O

Molecular and structural information

Molecular formula:
C3H10ClNO3S
Molecular weight:
175
SMILES notation:
C([C@H](CS)N)(O)=O.O.Cl
InChl:
InChI=1/C3H7NO2S.ClH.H2O/c4-2(1-7)3(5)6;;/h2,7H,1,4H2,(H,5,6);1H;1H2/t2-;;/m0../s1
Structural formula:
Chemical structure

Related substances

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Identifier:
EC number
Identity:
200-157-7
Identifier:
CAS number
Identity:
7048-04-6