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Name
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L-(+)-Ergothioneine
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|---|---|
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English Synonyms
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L-(+)-ERGOTHRIONEINE INNER SALT; ERGOLD; 2-MERCAPTOHISTIDINE BETAINE;
(S)-ALPHA-CARBOXY-2,3-DIHYDRO-N,N,N-TRIMETHYL-2-THIOXO-1H-IMIDAZOLE-4-ETHANAMINIUM INNER SALT;
THIONEINE; (S)-[1-carboxy-2-(2-mercaptoimidazol-4-yl)ethyl]trimethylammonium hydroxide;
1H-Imidazole-4-ethanaminium, α -alpha.-carboxy-2,3-dihydro-N,N,N-trimethyl-2-thioxo-, inner salt, (alpha.S)-;
3-(2-sulfanylidene-1,3-dihydroimidazol-4-yl)-2-trimethylammonio-propanoate
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CAS No.
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497-30-3
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Molecular Formula
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C₉H₁₅N₃O₂S
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Molecular Weight
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229.3
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EINECS No.
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207-843-5
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Melting Point
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275-277°C (dec.)
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Density
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1.2541 (rough estimate)
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Refractive Index
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1.6740 (estimate)
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Storage Conditions
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-20°C
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Solubility
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Soluble in water (up to 10 mg/mL)
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Form
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White solid.
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Acid Dissociation Constant (pKa)
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1.706±0.32 (predicted)
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Color
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White or off-white
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pH Value
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+47^o (c=1 in water)
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Water Solubility
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water: 50mg/mL, clear, colorless
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Usage
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Ergothioneine has broad applications and market prospects in fields such as organ transplantation, cell preservation, medicine, food and beverages, functional foods, animal feed, cosmetics, and biotechnology. It is also a natural antioxidant that is highly protective to cells and non-toxic. It is not easily oxidized in water, which allows its concentration to reach mmol levels in certain tissues and stimulates the cell's natural antioxidant defense system. Among numerous antioxidants, ergothioneine is particularly unique because it can chelate heavy metal ions and protect red blood cells in the body from free radical damage.
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