L-(+)-Ergothioneine
L-(+)-Ergothioneine (CAS: 497-30-3; C9H15N3O2S) is a naturally occurring amino acid derivative with potent antioxidant and cytoprotective properties. Its unique thiourea structure allows it to scavenge reactive oxygen species and protect cells from oxidative damage. This compound is extensively researched for its potential in various biological processes and therapeutic applications.
- IUPAC
- (S)-α-Carboxy-N,N,N-trimethyl-2-mercapto-1H-imidazole-4-ethanaminium inner salt,Thioneine

Antioxidant Research
Investigated for its role in cellular defense against oxidative stress, L-(+)-Ergothioneine is a key compound in studies of free radical scavenging and cellular protection mechanisms.
Cell Biology Studies
Utilised in cell culture and biochemical assays to understand cellular signaling pathways, cell stress responses, and the impact of oxidative damage on cellular function.
Neuroscience Research
Explored for its potential neuroprotective effects, contributing to research in neurodegenerative diseases and conditions associated with oxidative stress in the nervous system.
Cytoprotectant Agent
Studied for its ability to shield cells from various forms of damage, including that induced by toxins and environmental stressors, making it valuable in toxicology research.
| Molecular weight | 229.30 |
|---|---|
| Empirical formula | C9H15N3O2S |
| Storage temperature | −20°C |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is L-(+)-Ergothioneine used for?
+
L-(+)-Ergothioneine is primarily used in scientific research as an antioxidant and cytoprotectant. It is studied for its roles in cell biology, neuroscience, and its general protective effects against oxidative stress.
What are the CAS number and formula for L-(+)-Ergothioneine?
+
The CAS number for L-(+)-Ergothioneine is 497-30-3, and its empirical formula is C9H15N3O2S.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies L-(+)-Ergothioneine for research purposes. The specific grade and purity will be detailed on the product's Certificate of Analysis. TSS does not represent this product as USP, BP, or EP grade.
What are the safety and handling precautions for L-(+)-Ergothioneine?
+
Handling L-(+)-Ergothioneine requires appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. It has a WGK Germany rating of 3.
How is L-(+)-Ergothioneine packed, shipped, and exported?
+
L-(+)-Ergothioneine is stored at -20°C. TSS handles packaging, shipping, and international export with professional care, adhering to all relevant regulations for chemical compounds.
How can I request a sample or quote for L-(+)-Ergothioneine?
+
To request a sample or a quotation for L-(+)-Ergothioneine, please contact our sales department through the website or by phone, providing your specific requirements.
▶ Related products

(−)-Curcumol
C15H24O2
Cell Biology
(±) Clopidogrel hydrogensulfate
Cell Biology

(±)-L-Alliin
C6H11NO3S
Cell Biology
(±)-2-Amino-4-phosphonobutyric acid
C4H10NO5P
Cell Biology
(±)-2-Methylarachidonoyl-2′-fluoroethylamide
C23H38NOF
Cell Biology
(±)-3,4-Methylenedioxy-N-ethylamphetamine hydrochloride
Cell Biology

(±)-3,4-Methylenedioxyamphetamine hydrochloride
Cell Biology

(±)-3,4-Methylenedioxymethamphetamine hydrochloride
Cell Biology
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis