2'-O-Methyladenosine

Also known as: 2'-OMe-A, OMe-rA, cordysinin B, 2'-OMe A, 2'-OMe-rA, 2'-OMe-Ar, 2'-O-Me-dA, 2'-O-Me-Ado, 2'-methoxyadenosine, (2R,3R,4R,5R)-5-(6-Amino-9H-purin-9-yl)-2-(hydroxymethyl)-4-methoxytetrahydrofuran-3-ol, Adenosine, 2'-O-methyl-, UNII-02YX82IHZ5

2'-O-Methyladenosine (CAS 2140-79-6) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C11H15N5O4 and a molecular weight of 281.268 g/mol. Key properties include a melting point of 200-202ºC, a boiling point of 623.8±65.0 °C at 760 mmHg, a density of 1.8±0.1 g/cm3 and a flash point of 331.0±34.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 2140-79-6
Jingsj CID: J-1957896-2
Molecular Formula: C₁₁H₁₅N₅O₄
Molecular Weight: 281.268 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	200-202ºC
Boiling Point	623.8±65.0 °C at 760 mmHg
Density	1.8±0.1 g/cm3
Flash Point	331.0±34.3 °C
Exact Mass	281.112396
PSA	128.54000
LogP	-0.15
Vapor Pressure	0.0±1.9 mmHg at 25°C
Refractive Index	1.795
Storage Conditions	−20°C

Activity & Biological Data

Additional Information	[1]. Hirschhorn R, et al. Increased excretion of modified adenine nucleosides by children with adenosine deaminase deficiency. Pediatr Res. 1982 May;16(5):362-9. [2]. Yamada T, et al. Naturally occurring 2'-O-methylpurine nucleosides with hypotensive properties. Cell Mol Life Sci. 1998 Feb;54(2):125-8.

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 2'-O-Methyladenosine?

The CAS number of 2'-O-Methyladenosine is 2140-79-6.

What are the molecular formula and molecular weight of 2'-O-Methyladenosine?

2'-O-Methyladenosine has molecular formula C11H15N5O4 and molecular weight 281.268 g/mol.

What are the upstream and downstream products of 2'-O-Methyladenosine?

For 2'-O-Methyladenosine, Upstream Products: Trimethylsulfonium hydroxide, Adenosine, iodomethane; Downstream Products: 2'-O-Methylinosine.

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. "2'-O-Methyladenosine (CAS 2140-79-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1957896-2 (accessed 2026-11-09).

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