6,8-Dimercaptooctanoic acid

Name: 6,8-Dimercaptooctanoic acid
Brand: Vaqora Chemicals
SKU: VQ-028337

About 6,8-Dimercaptooctanoic acid

Listed under CAS 462-20-4, 6,8-Dimercaptooctanoic acid is an impurity of Thioctic acid available from Vaqora Chemicals. The compound has the formula C8H16O2S2, corresponding to a molecular weight of 208.3 g/mol. The IUPAC name is 6,8-bis(sulfanyl)octanoic acid. Alternative names: Dihydrolipoic Acid and Dihydrothioctic acid.

The product is provided as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

As a characterised impurity of Thioctic acid, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

We offer 6,8-Dimercaptooctanoic acid in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

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

Industries

Related to Thioctic acid

View every impurity, metabolite and intermediate we list for Thioctic acid.

Thioctic acid impurities

Specifications & identifiers

Chemical identifiers
Product name	6,8-Dimercaptooctanoic acid
Catalogue No.	VQ-028337
CAS Number	462-20-4
IUPAC name	6,8-bis(sulfanyl)octanoic acid
Molecular formula	C₈H₁₆O₂S₂
Molecular weight	208.3 g/mol
Exact mass	208.0592
Grade	Reference Standard
HSN code	38229090
InChIKey	IZFHEQBZOYJLPK-UHFFFAOYSA-N
SMILES	C(CCC(=O)O)CC(CCS)S
PubChem CID	421

Physical properties
Physical form	Solid
LogP (XLogP3)	1.8
H-bond donors / acceptors	3 / 4
TPSA	39.3 Å²
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

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 6,8-Dimercaptooctanoic acid?

The CAS Registry Number of 6,8-Dimercaptooctanoic acid is 462-20-4. It is also known as Dihydrolipoic Acid, Dihydrothioctic acid, 6,8-disulfanyloctanoic acid.

What is the molecular formula and molecular weight of 6,8-Dimercaptooctanoic acid?

6,8-Dimercaptooctanoic acid has the molecular formula C8H16O2S2 and a molecular weight of 208.3 g/mol. Its IUPAC name is 6,8-bis(sulfanyl)octanoic acid.

What is 6,8-Dimercaptooctanoic acid used for?

6,8-Dimercaptooctanoic acid is supplied as a characterised reference material related to Thioctic acid. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of 6,8-Dimercaptooctanoic acid can I order?

We supply 6,8-Dimercaptooctanoic acid 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 6,8-Dimercaptooctanoic acid?

Yes. Every lot of 6,8-Dimercaptooctanoic acid 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 6,8-Dimercaptooctanoic acid be shipped internationally?

Yes. 6,8-Dimercaptooctanoic acid 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.