2-Chloroadenine
Also known as: 2-Chloro-6-aminopurine, 6-Amino-2-chloropurine, 2-Chloro-9H-purin-6-amine, 2-Chloro-7H-purin-6-amine, 6-Amino-2-chloro-7H-purine, 6-Amino-2-chloro-9H-purine, 2-Chloroadenine (2-Cl-Ade), Cladribine EP Impurity C, Regadenoson impurity H
2-Chloroadenine (CAS 1839-18-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H4ClN5 and a molecular weight of 169.57 g/mol. Key properties include a melting point of >300°C(dec), a boiling point of 485.5±27.0 °C at 760 mmHg, a density of 1.8±0.1 g/cm3 and a flash point of 247.4±23.7 °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 3, 2026.
- CAS No.
- 1839-18-5
- Jingsj CID
- J-7316-5
- Molecular Formula
- C5H4ClN5
- Molecular Weight
- 169.57 g/mol
- Category
- Pharma Intermediates
- Last updated
- 11/3/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | >300°C(dec) |
|---|---|
| Boiling Point | 485.5±27.0 °C at 760 mmHg |
| Density | 1.8±0.1 g/cm3 |
| Flash Point | 247.4±23.7 °C |
| Exact Mass | 169.015518 |
| PSA | 80.48000 |
| LogP | 0.35 |
| Vapor Pressure | 0.0±1.2 mmHg at 25°C |
| Refractive Index | 1.827 |
| Storage Conditions | -20°C Freezer |
GHS Safety & Compliance
- H302 — Harmful if swallowed
Activity & Biological Data
| Additional Information | [1]. Bauta, WE, Schulmeier, BE, Bur the , BJ, et al.A new process for antineoplastic agent clofarabineOrg. Proc. Res. Dev.8(6)889-896(2004) [2]. Bontemps, F., Delacauw, A., Cardoen, S., et al. Metabolism and cytotoxic effects of 2-chloroadenine, the major catabolite of 2-chloro-29-deoxyadenosine Biochem. Pharmacol.59(10)1237-1243(2000) |
|---|
Customs & Trade Information
| HS Code | 2933990090 |
|---|---|
| Summary | 2933990090. 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 2-Chloroadenine?
The CAS number of 2-Chloroadenine is 1839-18-5.
What are the molecular formula and molecular weight of 2-Chloroadenine?
2-Chloroadenine has molecular formula C5H4ClN5 and molecular weight 169.57 g/mol.
Is 2-Chloroadenine hazardous?
2-Chloroadenine has GHS signal word Warning and hazard statements H302 — Harmful if swallowed.
What are the upstream and downstream products of 2-Chloroadenine?
For 2-Chloroadenine, Upstream Products: 2,6-Dichloropurine, 2-Chloroadenosine, Cladribine; Downstream Products: Cladribine, Isoguanine, Clofarabine.
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-Chloroadenine (CAS 1839-18-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-7316-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.