C8H16N2O4S2
268.4 g/mol
Research ReagentWarning
4,4'-Dithiobis(2-aminobutyric acid)
CAS462-10-2EC207-323-8
Category
Research Reagent
Compound Class
Other
Primary Use
Research Compound
This compound is the disulfide dimer of homocysteine, formed by the oxidative coupling of two homocysteine molecules. It is a research reagent used primarily in laboratory studies and is also recognized as a human metabolite.
research compoundreference standard for homocystine studies
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
ReferenceSame Category
1-iodo-3-fluoropropane
CAS462-40-8
research compound
ReferenceSame Category
Rel-N,N'-Bis[(1R)-1-methyl-2-phenylethyl]urea
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research compound
ReferenceSame Category
Pyridine trifluoroacetate
CAS464-05-1
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ReferenceSame Category
P-fluorobenzoylacetonitrile
CAS4640-67-9
research compound
Referencestereoisomer of
(2R,2′R)-homocystine
CAS6027-15-2
research compound
Referencestereoisomer of
(2S,2′S)-homocystine
CAS626-72-2
research compound
Safety Reference
Warning
H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H332Harmful if inhaled
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for 4,4'-Dithiobis(2-aminobutyric acid) (CAS 462-10-2) 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
2-amino-4-[(3-amino-3-carboxypropyl)disulfanyl]butanoic acid
InChIKey
ZTVZLYBCZNMWCF-UHFFFAOYSA-N
SMILES
C(CSSCCC(C(=O)O)N)C(C(=O)O)N
Synonyms (20)
- (RS)-Homocystine
- 4,4'-Dithiobis
- DL-High cystine
- H-DL-HoCystine-OH
- homocystin
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