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2',3',5'-Tri-O-acetyl-2-amino-6-chloropurine riboside

Also known as: 2-Amino-6-chloro-9-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)purine, 2-Amino-6-chloro-9-(2',3',5'-tri-O-acetyl-β-D-ribofuranosyl)-9H-purine, 9-(2,3,5-Tri-O-acetyl-β-D-ribofuranosyl)-2-amino-6-chloropurine, (2R,3R,4R,5R)-2-(Acetoxymethyl)-5-(2-amino-6-chloro-9H-purin-9-yl)tetrahydrofuran-3,4-diyl diacetate, 2-Amino-6-chloropurine ribonucleoside triacetate

2',3',5'-Tri-O-acetyl-2-amino-6-chloropurine riboside (CAS 16321-99-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C16H18ClN5O7 and a molecular weight of 427.80 g/mol. Key properties include a melting point of 146.0 to 150.0 °C, a boiling point of 637ºC at 760mmHg, a density of 1.7g/cm3 and a flash point of 339ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
16321-99-6
Jingsj CID
J-1968900-0
Molecular Formula
C16H18ClN5O7
Molecular Weight
427.80 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point146.0 to 150.0 °C
Boiling Point637ºC at 760mmHg
Density1.7g/cm3
Flash Point339ºC
Exact Mass427.08900
PSA157.75000
LogP0.96700
Vapor Pressure4E-16mmHg at 25°C
Refractive Index1.69

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.

Frequently Asked Questions

What is the CAS number of 2',3',5'-Tri-O-acetyl-2-amino-6-chloropurine riboside?

The CAS number of 2',3',5'-Tri-O-acetyl-2-amino-6-chloropurine riboside is 16321-99-6.

What are the molecular formula and molecular weight of 2',3',5'-Tri-O-acetyl-2-amino-6-chloropurine riboside?

2',3',5'-Tri-O-acetyl-2-amino-6-chloropurine riboside has molecular formula C16H18ClN5O7 and molecular weight 427.80 g/mol.

What are the upstream and downstream products of 2',3',5'-Tri-O-acetyl-2-amino-6-chloropurine riboside?

For 2',3',5'-Tri-O-acetyl-2-amino-6-chloropurine riboside, Upstream Products: 2',3',5'-Tri-O-acetylguanosine, 2-Amino-6-chloropurine-9-riboside, Guanosine; Downstream Products: 2-Aminopurine riboside, 6-Chloro-2-iodo-9-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-9H-purine, 9H-Purine, 6-chloro-9-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-.

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

Last updated:

How to cite: Jingsj. "2',3',5'-Tri-O-acetyl-2-amino-6-chloropurine riboside (CAS 16321-99-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1968900-0 (accessed 2026-11-09).

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