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Nebularine

Also known as: 9-(β-D-Ribofuranosyl)-9H-purine, 9-β-D-Ribofuranosyl-9H-purine, 6-Deaminoadenosine, Purine riboside, Purine ribonucleoside, Purinosine, 1-(9H-Purin-9-yl)-1-deoxy-β-D-ribofuranose, 9-β-D-Ribofuranosylpurine, Ribosylpurine

Nebularine (CAS 550-33-4) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C10H12N4O4 and a molecular weight of 252.23 g/mol. Key properties include a melting point of 181-182ºC, a boiling point of 591.6ºC at 760mmHg, a density of 1.91g/cm3 and a flash point of 311.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
550-33-4
Jingsj CID
J-1959234-8
Molecular Formula
C10H12N4O4
Molecular Weight
252.23 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Melting Point181-182ºC
Boiling Point591.6ºC at 760mmHg
Density1.91g/cm3
Flash Point311.6ºC
Exact Mass252.08600
PSA113.52000
Refractive Index1.837

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.

Customs & Trade Information

HS Code2934999090
Summary2934999090. 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 Nebularine?

The CAS number of Nebularine is 550-33-4.

What are the molecular formula and molecular weight of Nebularine?

Nebularine has molecular formula C10H12N4O4 and molecular weight 252.23 g/mol.

What are the upstream and downstream products of Nebularine?

For Nebularine, Upstream Products: Purine, Uridine, 6-mercaptopurine riboside; Downstream Products: 4,5-Diaminopyrimidine, Purine, Formic Acid.

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

Last updated:

How to cite: Jingsj. "Nebularine (CAS 550-33-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1959234-8 (accessed 2026-11-09).

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