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6-chloro-2-iodopurine

Also known as: 6-chloro-2-iodo-9H-purine, 6-chloro-2-iodo-7H-purine, 9H-6-chloro-2-iodopurine, 2-iodo-6-chloro-9H-purine, 6-chloro-2-iodo-1H-purine, 6-Chloro-2-iodopurine 97%, 9H-Purine,6-chloro-2-iodo-

6-chloro-2-iodopurine (CAS 18552-90-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H2ClIN4 and a molecular weight of 279.466 g/mol. Key properties include a melting point of 198-203°C, a boiling point of 352.9±52.0 °C at 760 mmHg, a density of 2.5±0.1 g/cm3 and a flash point of 167.2±30.7 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.

CAS No.
18552-90-4
Jingsj CID
J-1389985-9
Molecular Formula
C5H2ClIN4
Molecular Weight
279.466 g/mol
Category
Pharma Intermediates
Last updated
11/2/2026

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Physicochemical Properties

Melting Point198-203°C
Boiling Point352.9±52.0 °C at 760 mmHg
Density2.5±0.1 g/cm3
Flash Point167.2±30.7 °C
Exact Mass278.906006
PSA54.46000
LogP1.00
Vapor Pressure0.0±0.8 mmHg at 25°C
Refractive Index1.874
Storage Conditions-20°C

GHS Safety & Compliance

IrritantSignal word: Warning
  • H302 — Harmful if swallowed

Customs & Trade Information

HS Code2933990090
Summary2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. 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 6-chloro-2-iodopurine?

The CAS number of 6-chloro-2-iodopurine is 18552-90-4.

What are the molecular formula and molecular weight of 6-chloro-2-iodopurine?

6-chloro-2-iodopurine has molecular formula C5H2ClIN4 and molecular weight 279.466 g/mol.

Is 6-chloro-2-iodopurine hazardous?

6-chloro-2-iodopurine has GHS signal word Warning and hazard statements H302 — Harmful if swallowed.

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

Last updated:

How to cite: Jingsj. "6-chloro-2-iodopurine (CAS 18552-90-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1389985-9 (accessed 2026-11-09).

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