6-Thiouric acid

Name: 6-Thiouric acid
Brand: Vaqora Chemicals
SKU: VQ-049044

About 6-Thiouric acid

6-Thiouric acid (CAS 2002-60-0) is a process intermediate or related compound of Mercaptopurine offered by Vaqora Chemicals. Formula C5H4N4O2S, molecular weight 184.18 g/mol. Its systematic (IUPAC) name is 6-sulfanylidene-7,9-dihydro-3H-purine-2,8-dione. It is also known as thiouric acid or 6-Thiourate.

It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Handle it with standard laboratory precautions and appropriate personal protective equipment.

Process chemists and analysts use it when developing synthetic routes to Mercaptopurine, tracking process-related impurities and validating analytical methods. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

API route development
Impurity fate & purge studies
Analytical method development

Industries

Related to Mercaptopurine

View every impurity, metabolite and intermediate we list for Mercaptopurine.

Mercaptopurine impurities

Specifications & identifiers

Chemical identifiers
Product name	6-Thiouric acid
Catalogue No.	VQ-049044
CAS Number	2002-60-0
IUPAC name	6-sulfanylidene-7,9-dihydro-3H-purine-2,8-dione
Molecular formula	C₅H₄N₄O₂S
Molecular weight	184.18 g/mol
Exact mass	184.0055
HSN code	2933
InChIKey	SXHQUGJSTGOXMD-UHFFFAOYSA-N
SMILES	C12=C(NC(=O)N1)NC(=O)NC2=S
PubChem CID	3032417

Physical properties
Physical form	Solid
LogP (XLogP3)	-1.3
H-bond donors / acceptors	4 / 3
TPSA	114 Å²
Synonyms	thiouric acid, 1H-Purine-2,8(3H,6H)-dione, 7,9-dihydro-6-thioxo-, 6-Thiourate, Uric acid, 6-thio-, 6-sulfanylidene-2,3,6,7,8,9-hexahydro-1H-purine-2,8-dione, 6-mercapto-9H-purine-2,8-diol, 6-mercapto-2,8-purinediol, Uric acid, 6-thio- (VAN), 6-Sulfanylidene-7,9-dihydro-1H-purine-2,8(3H,6H)-dione

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-Thiouric acid?

The CAS Registry Number of 6-Thiouric acid is 2002-60-0. It is also known as thiouric acid, 1H-Purine-2,8(3H,6H)-dione, 7,9-dihydro-6-thioxo-, 6-Thiourate.

What is the molecular formula and molecular weight of 6-Thiouric acid?

6-Thiouric acid has the molecular formula C5H4N4O2S and a molecular weight of 184.18 g/mol. Its IUPAC name is 6-sulfanylidene-7,9-dihydro-3H-purine-2,8-dione.

What is 6-Thiouric acid used for?

6-Thiouric acid is supplied as a characterised reference material related to Mercaptopurine. 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-Thiouric acid can I order?

We supply 6-Thiouric acid, 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-Thiouric acid?

Yes. Every lot of 6-Thiouric 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-Thiouric acid be shipped internationally?

Yes. We export 6-Thiouric acid worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.