1-Methylguanosine
Also known as: N1-Methylguanosine, Guanosine, 1-methyl-, 2-Amino-9-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-1-methyl-1,9-dihydro-6H-purin-6-one, NSC 70897, 1-Methyl-2-amino-9-β-D-ribofuranosyl-9H-purine-6(1H)-one, m1G
1-Methylguanosine (CAS 2140-65-0) 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 297.267 g/mol. Key properties include a boiling point of 737.4±70.0 °C at 760 mmHg, a density of 2.0±0.1 g/cm3 and a flash point of 399.7±35.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2140-65-0
- Jingsj CID
- J-1961223-8
- Molecular Formula
- C11H15N5O5
- Molecular Weight
- 297.267 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 737.4±70.0 °C at 760 mmHg |
|---|---|
| Density | 2.0±0.1 g/cm3 |
| Flash Point | 399.7±35.7 °C |
| Exact Mass | 297.107330 |
| PSA | 148.65000 |
| LogP | -3.66 |
| Vapor Pressure | 0.0±2.5 mmHg at 25°C |
| Refractive Index | 1.860 |
| Storage Conditions | 2-8℃ |
Activity & Biological Data
| Target | Human Endogenous Metabolite |
|---|---|
| Additional Information | [1]. Liebich HM, et al. Quantitation of urinary nucleosides by high-performance liquid chromatography. J Chromatogr A. 1997 Feb 28;763(1-2):193-7. |
Frequently Asked Questions
What is the CAS number of 1-Methylguanosine?
The CAS number of 1-Methylguanosine is 2140-65-0.
What are the molecular formula and molecular weight of 1-Methylguanosine?
1-Methylguanosine has molecular formula C11H15N5O5 and molecular weight 297.267 g/mol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1-Methylguanosine (CAS 2140-65-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1961223-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.