C3H8ClNO2S
157.62 g/mol
Food AdditiveWarning
Cystein chloride
CAS52-89-1EC200-157-7
Category
Food Additive
Compound Class
Natural Product
Primary Use
dough conditioner and nutritional supplement
Cystein chloride is an amino acid compound used primarily as a dough conditioner and nutritional supplement. It is a salt-like form of cysteine, characterized by its thiol group and chiral center, and is commonly employed in food processing to improve dough handling properties.
dough conditioner in bakingnutritional supplement
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
StrongSame Parent
L-Cysteine
CAS52-90-4
Flavor and nutrition additive
StrongSame Parent
Cysteine hydrochloride monohydrate
CAS7048-04-6
flavor enhancer and nutritional supplement
ReferenceSame Category
Hesperidin
CAS520-26-3
flavonoid dietary supplement and antioxidant
ReferenceSame Category
Dehydroacetic acid
CAS520-45-6
fungicide and preservative
ReferenceSame Category
Diarginine oxoglurate
CAS5256-76-8
dietary supplement ingredient
ReferenceSame Category
Tartaric acid
CAS526-83-0
acidulant and flavoring agent
Referencestereoisomer of
D-cysteine zwitterion
CAS921-01-7
research compound
Referencestereoisomer of
DL-Cysteine hydrochloride monohydrate
CAS96998-61-7
research compound
Safety Reference
Warning
H319Causes serious eye irritation
H302Harmful if swallowed
Customs Tariff Classification
The international HS code for Cystein chloride (CAS 52-89-1) is 2930.90.
HS code (international, 6-digit)
2930.90
EU CN code (8-digit)
2930 90 95
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
(2R)-2-amino-3-sulfanylpropanoic acid;hydrochloride
InChIKey
IFQSXNOEEPCSLW-DKWTVANSSA-N
SMILES
C([C@@H](C(=O)O)N)S.Cl
Synonyms (43)
- ELCYS
- NOURESS
- CYSTEINE HYDROCHLORIDE (USP MONOGRAPH)
- CYSTEINE HYDROCHLORIDE MONOHYDRATE (EP IMPURITY)
- CYSTEINE HYDROCHLORIDE MONOHYDRATE (EP MONOGRAPH)
- (R)-Cysteine hydrochloride
- CYSTEINE HYDROCHLORIDE
- CYSTEINE HYDROCHLORIDE (II)
- Cystein chloride
- Cysteine (as hydrochloride)
- Cysteine HCl (anhydrous)
- Cysteine chlorhydrate
- Cysteine monohydrochloride
- Cysteine, L-, hydrochloride
- H-Cys-OH.HCl
- L-CYSTEINE HCl anhydrous
- L-Cysteine hydrochloride
- L-Cysteine monohydrochloride
- L-cysteinium chloride
- cysteine-hcl
- l-Cysteine.HCl
- l-cysteine chlorhydrate
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