6,8-Dimercaptooctanoic acid

Name: 6,8-Dimercaptooctanoic acid
Brand: Zemixal
SKU: ZX-027230

Reference StandardAvailable on request

Buy 6,8-Dimercaptooctanoic acid (CAS 462-20-4) from Zemixal. Lab and bulk packs, batch COA, fast global delivery. Ships from India to 120+ countries.

Pack sizes

6,8-Dimercaptooctanoic acid chemical structure

CAS number462-20-4

FormulaC₈H₁₆O₂S₂

Molar mass208.3 g/mol

Physical formSolid

HS code38229090

InChIKeyIZFHEQBZOYJLPK-UHFFFAOYSA-N

IUPAC name6,8-bis(sulfanyl)octanoic acid

About 6,8-Dimercaptooctanoic acid

6,8-Dimercaptooctanoic acid belongs to the Thioctic acid reference-standard family in the Zemixal catalogue. Key data (Reference Standard): CAS 462-20-4, formula C8H16O2S2 and molar mass 208.3 g/mol. It is handled as a solid.

Use cases we see most often

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Storage and safety notes

Hazard communication follows GHS (Warning: H315, H319 and H335). Our SDS lists exposure controls and first-aid measures.

Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. Every shipment includes a certificate of analysis with characterisation data. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Thioctic acid

See every impurity, metabolite and related compound we list for this API.

Thioctic acid standards

Typical uses

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Applications

Pharmaceutical Manufacturing and QC Research Labs and Universities

Specifications and identifiers

Specifications of 6,8-Dimercaptooctanoic acid
Product name	6,8-Dimercaptooctanoic acid
Catalogue number	ZX-027230
CAS number	462-20-4
IUPAC name	6,8-bis(sulfanyl)octanoic acid
Molecular formula	C₈H₁₆O₂S₂
Molar mass	208.3 g/mol
Exact mass	208.0592
Grade	Reference Standard
Physical form	Solid
XLogP3	1.8
H-bond donors / acceptors	3 / 4
Topological polar surface area	39.3 Å²
HS code	38229090
InChIKey	IZFHEQBZOYJLPK-UHFFFAOYSA-N
SMILES	C(CCC(=O)O)CC(CCS)S
PubChem CID	421
Synonyms	Dihydrolipoic Acid, Dihydrothioctic acid, 6,8-disulfanyloctanoic acid, 6,8-Dihydrothioctic acid, Thioctic acid, dihydro-, 6,8-bis-sulfanyloctanoic acid, Reduced lipoic acid, Reduced thioctic acid, Lipoic acid, reduced, dl-Dihydro-alpha-6-thioctic acid, dihydro-lipoic acid

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

Irritant or harmful

Signal word Warning

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 summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of 6,8-Dimercaptooctanoic acid
10 mg	Quoted on request
25 mg	Quoted on request
50 mg	Quoted on request
100 mg	Quoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about 6,8-Dimercaptooctanoic acid

Which CAS number identifies 6,8-Dimercaptooctanoic acid?

6,8-Dimercaptooctanoic acid is registered under CAS 462-20-4. You may also see it listed as Dihydrolipoic Acid, Dihydrothioctic acid, 6,8-disulfanyloctanoic acid. Our catalogue number for this item is ZX-027230.

What are the formula and molar mass of 6,8-Dimercaptooctanoic acid?

For 6,8-Dimercaptooctanoic acid, its formula is C8H16O2S2 and its molar mass is 208.3 g/mol. The systematic (IUPAC) name is 6,8-bis(sulfanyl)octanoic acid. InChIKey IZFHEQBZOYJLPK-UHFFFAOYSA-N lets you match it in any structure database.

How is 6,8-Dimercaptooctanoic acid used in pharmaceutical QC?

6,8-Dimercaptooctanoic acid is a characterised reference material linked to Thioctic acid. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.

What grade and pack sizes are available for 6,8-Dimercaptooctanoic acid?

This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.

Which documents come with 6,8-Dimercaptooctanoic acid?

Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.

Can Zemixal ship 6,8-Dimercaptooctanoic acid to my country?

Yes. Because 6,8-Dimercaptooctanoic acid is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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