3'-O-Methylguanosine

3'-O-甲基鸟苷

Also known as: Guanosine, 3'-O-methyl-, 3'-OMe-G, 2-amino-9-[(2R,3R,4S,5R)-3-hydroxy-5-(hydroxymethyl)-4-methoxyoxolan-2-yl]-3H-purin-6-one

3'-O-Methylguanosine (CAS 10300-27-3) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C11H15N5O5 and a molecular weight of 297.26700 g/mol. It is also known as Guanosine, 3'-O-methyl-, 3'-OMe-G and 2-amino-9-[(2R,3R,4S,5R)-3-hydroxy-5-(hydroxymethyl)-4-methoxyoxolan-2-yl]-3H-purin-6-one. Key properties include a boiling point of 711.7ºC at 760mmHg, a density of 1.98g/cm3 and a flash point of 384.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 10300-27-3
Jingsj CID: J-1955369-8
Molecular Formula: C₁₁H₁₅N₅O₅
Chinese Name: 3'-O-甲基鸟苷
Molecular Weight: 297.26700 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	711.7ºC at 760mmHg
Density	1.98g/cm3
Flash Point	384.2ºC

Frequently Asked Questions

What is the CAS number of 3'-O-Methylguanosine?

The CAS number of 3'-O-Methylguanosine is 10300-27-3.

What are the molecular formula and molecular weight of 3'-O-Methylguanosine?

3'-O-Methylguanosine has molecular formula C11H15N5O5 and molecular weight 297.26700 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "3'-O-Methylguanosine (CAS 10300-27-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1955369-8 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.