thiohistidine

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1H-imidazole-4-propanoic acid,a-amino-2,3-dihydro-2-thioxo; (S)-a-amino-2,3-dihydro-2-thioxo-1H-imidazole-4-propionic acid

CAS: 2002-22-4 C6 H9 N3 O2 S MW: 187.22213000
CAS Numbers EINECS Numbers M.W Index

Identification

Namethiohistidine
IUPAC(2S)-2-amino-3-(2-sulfanylidene-1,3-dihydroimidazol-4-yl)propanoic acid
CAS Number2002-22-4
EINECS217-899-2
FDA UNIIMH6EDB26P8
Molecular FormulaC6 H9 N3 O2 S
Molecular Weight187.22213000
Nikkaji NumberJ9.542G
XlogP3-3.60 (est)

Regulatory

Physical Properties

Assay 95.00 to 100.00
Food Chemicals Codex Listed No
Soluble in water, 5.314e+004 mg/L @ 25 °C (est)

Cosmetic Information

CosIngcosmetic data
Cosmetic Usesantioxidants

No sensory data available

Safety Information

Oral/Parenteral ToxicityNot determined
Dermal ToxicityNot determined
Inhalation ToxicityNot determined

GHS Classification

['GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)', 'GHS Label elements, including precautionary statements']

Safety in Use

Categoryantioxidant, bleaching agents
Recommendation for thiohistidine usage levels up tonot for fragrance use.
Recommendation for thiohistidine flavor usage levels up tonot for flavor use.

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2002-22-4 H-2-Mercapto-His-OH 99%
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Potential Uses

None Found

Natural Occurrence

not found in nature

Synonyms

(S)-alpha- amino-2,3-dihydro-2-thioxo-1H-imidazole-4-propionic acid (2S)-2- amino-3-(2-sulfanylidene-1,3-dihydroimidazol-4-yl)propanoic acid 1H- imidazole-4-propanoic acid,a-amino-2,3-dihydro-2-thioxo; (S)-a-amino-2,3-dihydro-2-thioxo-1H-imidazole-4-propionic acid L- thiolhistidine PubMed: Convergent evolution of ergothioneine biosynthesis in Cyanobacteria. PubMed: Ergothioneine biosynthetic methyltransferase EgtD reveals the structural basis of aromatic amino acid betaine biosynthesis. PubMed: Thiohistidine biosynthesis. PubMed: Ovothiol: a novel thiohistidine compound from sea urchin eggs that confers NAD(P)H-O2 oxidoreductase activity on ovoperoxidase. PubMed: L-Histidine ammonia-lyase activity of axenically grown Hartmannella culbertsoni.