6-Methylthioinosine

Also known as: 6-Methylmercaptopurine riboside, 6-MMPR, 6-Methylthiopurine riboside, Methylthioinosine, 6-Methylmercaptopurine ribonucleoside, 6-(Methylthio)-9-β-D-ribofuranosyl-9H-purine, Inosine, 6-S-methyl-6-thio-

6-Methylthioinosine (CAS 342-69-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H14N4O4S and a molecular weight of 298.32 g/mol. Key properties include a melting point of 166°C, a boiling point of 636.3ºC at 760mmHg, a density of 1.85g/cm3 and a flash point of 338.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 342-69-8
Jingsj CID: J-24206-8
Molecular Formula: C₁₁H₁₄N₄O₄S
Molecular Weight: 298.32 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	166°C
Boiling Point	636.3ºC at 760mmHg
Density	1.85g/cm3
Flash Point	338.6ºC
Exact Mass	298.07400
PSA	138.82000
Refractive Index	1.822
Stability	Incompatible with strong oxidizing agents.

Activity & Biological Data

Additional Information	[1]. Robak T, Robak P. Purine nucleoside analogs in the treatment of rarer chronic lymphoid leukemias. Curr Pharm Des. 2012;18(23):3373-88.

Frequently Asked Questions

What is the CAS number of 6-Methylthioinosine?

The CAS number of 6-Methylthioinosine is 342-69-8.

What are the molecular formula and molecular weight of 6-Methylthioinosine?

6-Methylthioinosine has molecular formula C11H14N4O4S and molecular weight 298.32 g/mol.

What are the upstream and downstream products of 6-Methylthioinosine?

For 6-Methylthioinosine, Upstream Products: Sodium thiomethoxide, 2',3',5'-Tri-O-acetyladenosine, Adenosine; Downstream Products: 6-(Methylthio)purine, Kinetin riboside, Adenosine.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "6-Methylthioinosine (CAS 342-69-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-24206-8 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.