L-(+)-Ergothioneine

Name: L-(+)-Ergothioneine
Brand: Vaqora Chemicals
SKU: VQ-037045

About L-(+)-Ergothioneine

L-(+)-Ergothioneine is an API reference standard carrying the CAS registry number 497-30-3. With the molecular formula C9H15N3O2S, it has a molar mass of 229.3 g/mol. Systematically, it is named (2S)-3-(2-sulfanylidene-1,3-dihydroimidazol-4-yl)-2-(trimethylazaniumyl)propanoate. Alternative names: Ergothionine and Thioneine.

It is supplied as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

As a reference sample of the parent drug substance, it is used for identification, assay and impurity-profiling work during analytical method development, validation (AMV) and routine QC. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies L-(+)-Ergothioneine in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Identification & assay
Method development & validation
QC reference material

Industries

Specifications & identifiers

Chemical identifiers
Product name	L-(+)-Ergothioneine
Catalogue No.	VQ-037045
CAS Number	497-30-3
IUPAC name	(2S)-3-(2-sulfanylidene-1,3-dihydroimidazol-4-yl)-2-(trimethylazaniumyl)propanoate
Molecular formula	C₉H₁₅N₃O₂S
Molecular weight	229.3 g/mol
Exact mass	229.0885
Grade	Reference Standard
HSN code	38229090
InChIKey	SSISHJJTAXXQAX-ZETCQYMHSA-N
SMILES	C[N+](C)(C)[C@@H](CC1=CNC(=S)N1)C(=O)[O-]
PubChem CID	5351619

Physical properties
Physical form	Solid
LogP (XLogP3)	0.3
H-bond donors / acceptors	2 / 3
TPSA	96.3 Å²
Synonyms	Ergothionine, Thioneine, l-Thioneine, Thiasine, Thiolhistidine-betaine, (2S)-3-(2-sulfanylidene-2,3-dihydro-1H-imidazol-4-yl)-2-(trimethylazaniumyl)propanoate, 2-Thiol-L-histidine-betaine, 5-((2S)-2-carboxy-2-(trimethylazaniumyl)ethyl)-1H-imidazole-2-thiolate, (S)-3-(2-Thioxo-2,3-dihydro-1H-imidazol-4-yl)-2-(trimethylammonio)propanoate

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of L-(+)-Ergothioneine?

The CAS Registry Number of L-(+)-Ergothioneine is 497-30-3. It is also known as Ergothionine, Thioneine, l-Thioneine.

What is the molecular formula and molecular weight of L-(+)-Ergothioneine?

L-(+)-Ergothioneine has the molecular formula C9H15N3O2S and a molecular weight of 229.3 g/mol. Its IUPAC name is (2S)-3-(2-sulfanylidene-1,3-dihydroimidazol-4-yl)-2-(trimethylazaniumyl)propanoate.

Which grade and pack sizes of L-(+)-Ergothioneine can I order?

We supply L-(+)-Ergothioneine in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with L-(+)-Ergothioneine?

Yes. Every lot of L-(+)-Ergothioneine is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can L-(+)-Ergothioneine be shipped internationally?

Yes. L-(+)-Ergothioneine is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.