Xanthosine

Also known as: Xanthosine, Xanthine riboside, 9-β-D-Ribofuranosylxanthine, 9-b-D-Ribofuranosylxanthine, 9-β-D-Ribofuranosyl-9H-purine-2,6(1H,3H)-dione, Xanthosine Dihydrate, EINECS 205-679-9, MFCD00005726

Xanthosine (CAS 146-80-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H12N4O6 and a molecular weight of 284.225 g/mol. Key properties include a boiling point of 828.2±75.0 °C at 760 mmHg, a density of 2.3±0.1 g/cm3 and a flash point of 454.7±37.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 146-80-5
Jingsj CID: J-45389-9
Molecular Formula: C₁₀H₁₂N₄O₆
Molecular Weight: 284.225 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	828.2±75.0 °C at 760 mmHg
Density	2.3±0.1 g/cm3
Flash Point	454.7±37.1 °C
Exact Mass	284.075684
PSA	153.46000
LogP	-2.43
Vapor Pressure	0.0±3.2 mmHg at 25°C
Refractive Index	1.925

Activity & Biological Data

Target	Human Endogenous Metabolite

Customs & Trade Information

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of Xanthosine?

The CAS number of Xanthosine is 146-80-5.

What are the molecular formula and molecular weight of Xanthosine?

Xanthosine has molecular formula C10H12N4O6 and molecular weight 284.225 g/mol.

What are the upstream and downstream products of Xanthosine?

For Xanthosine, Upstream Products: Guanosine; Downstream Products: D-Ribose, Xanthine, Inosine.

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. "Xanthosine (CAS 146-80-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-45389-9 (accessed 2026-11-06).

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