C9H15N3O2S
229.3 g/mol
Food AdditiveWarning
ERGOTHIONEINE
CAS497-30-3EC207-843-5
Category
Food Additive
Compound Class
Natural Product
Primary Use
Antioxidant dietary supplement and cosmetic ingredient
Ergothioneine is a naturally occurring amino acid derivative with antioxidant properties, synthesized by certain bacteria and fungi and found in many foods. It is commonly used as an antioxidant dietary supplement and in cosmetic formulations for its ability to help protect cells from oxidative stress.
Antioxidant dietary supplementCosmetic ingredient for skin protection
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
Isomaltose
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Functional sugar sweetener
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food preservative and acidulant
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flavoring agent
ReferenceSame Category
D-sorbitol
CAS50-70-4
sugar alcohol sweetener
Referencesame scaffold
Methimazole
CAS60-56-0
pharmaceutical raw material
Referencesame scaffold
Imidazole-2-thiol, 5-ethoxycarbonyl-
CAS64038-64-8
pharmaceutical intermediate
Referencesame scaffold
Carbimazole
CAS22232-54-8
pharmaceutical raw material
Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for ERGOTHIONEINE (CAS 497-30-3) is 2933.29.
HS code (international, 6-digit)
2933.29
EU CN code (8-digit)
2933 29 90
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
(2S)-3-(2-sulfanylidene-1,3-dihydroimidazol-4-yl)-2-(trimethylazaniumyl)propanoate
InChIKey
SSISHJJTAXXQAX-ZETCQYMHSA-N
SMILES
C[N+](C)(C)[C@@H](CC1=CNC(=S)N1)C(=O)[O-]
Synonyms (37)
- ERGOLD
- 2 Thiol L histidine betaine
- 2-Mercaptohistidine Betaine
- ERGOTHIONEINE
- Ergothioneine L-(+)
- Ergothionine
- L-Ergothioneine
- Sympectothion
- Thiasine
- Thioeine
- Thiolhistidine-betaine
- Thioneine
- ergothioneine (thione form)
- erythrothioneine
- l-Thioneine
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