6-(Methylthio)purine

Name: 6-(Methylthio)purine
Brand: Vaqora Chemicals
SKU: VQ-026611

About 6-(Methylthio)purine

Listed under CAS 50-66-8, 6-(Methylthio)purine is a metabolite or degradation product of Mercaptopurine available from Vaqora Chemicals. The compound has the formula C6H6N4S, corresponding to a molecular weight of 166.21 g/mol. The IUPAC name is 6-methylsulfanyl-7H-purine. Common synonyms include 6-Methyl Mercaptopurine and 6-Methylmercaptopurine.

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.

Analytical teams use this compound to identify metabolites and degradants of Mercaptopurine, to validate stability-indicating methods (AMV) and to support QC and regulatory filings. It is used across pharmaceutical manufacturing and academic and industrial research.

We offer 6-(Methylthio)purine in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Metabolite identification
Stability-indicating methods
Impurity profiling

Industries

Related to Mercaptopurine

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

Mercaptopurine impurities

Specifications & identifiers

Chemical identifiers
Product name	6-(Methylthio)purine
Catalogue No.	VQ-026611
CAS Number	50-66-8
IUPAC name	6-methylsulfanyl-7H-purine
Molecular formula	C₆H₆N₄S
Molecular weight	166.21 g/mol
Exact mass	166.0313
Grade	Reference Standard
HSN code	38229090
InChIKey	UIJIQXGRFSPYQW-UHFFFAOYSA-N
SMILES	CSC1=NC=NC2=C1NC=N2
PubChem CID	5778

Physical properties
Physical form	Solid
LogP (XLogP3)	1.1
H-bond donors / acceptors	1 / 4
TPSA	79.8 Å²
Synonyms	6-Methyl Mercaptopurine, 6-Methylmercaptopurine, 6-(methylsulfanyl)-9H-purine, Thiopurine S-methylether, methylmercaptopurine, 6-(Methylthio)-9H-purine, 1H-Purine, 6-(methylthio)-, 6-Methyl MP, S-Methyl-6-mercaptopurine, 6-(methylthio)-7h-purine

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-(Methylthio)purine?

The CAS Registry Number of 6-(Methylthio)purine is 50-66-8. It is also known as 6-Methyl Mercaptopurine, 6-Methylmercaptopurine, 6-(methylsulfanyl)-9H-purine.

What is the molecular formula and molecular weight of 6-(Methylthio)purine?

6-(Methylthio)purine has the molecular formula C6H6N4S and a molecular weight of 166.21 g/mol. Its IUPAC name is 6-methylsulfanyl-7H-purine.

What is 6-(Methylthio)purine used for?

6-(Methylthio)purine 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-(Methylthio)purine can I order?

We supply 6-(Methylthio)purine 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-(Methylthio)purine?

Yes. Every lot of 6-(Methylthio)purine 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-(Methylthio)purine be shipped internationally?

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