![Molecular structure of 7-chloro-3-methyl-3H-1,2,3-triazolo[4,5-d]pyrimidine (CAS 21323-71-7)](/images/chem_structures_svg/020/21323-71-7.svg)
7-chloro-3-methyl-3H-1,2,3-triazolo[4,5-d]pyrimidine
Also known as: 7-chloro-3-methyl-3H-1,2,3-triazolo[4,5-d]pyrimidine, 7-chloro-3-methyl-triazolo[4,5-d]pyrimidine, 3H-1,2,3-triazolo[4,5-d]pyrimidine, 7-chloro-3-methyl-
7-chloro-3-methyl-3H-1,2,3-triazolo[4,5-d]pyrimidine (CAS 21323-71-7) 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 169.57200 g/mol. Key properties include a boiling point of 341.2ºC at 760 mmHg, a density of 1.8g/cm3 and a flash point of 160.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 21323-71-7
- Jingsj CID
- J-1365399-1
- Molecular Formula
- C5H4ClN5
- Molecular Weight
- 169.57200 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 341.2ºC at 760 mmHg |
|---|---|
| Density | 1.8g/cm3 |
| Flash Point | 160.2ºC |
| Exact Mass | 169.01600 |
| PSA | 56.49000 |
| LogP | 0.41170 |
| Vapor Pressure | 0.000161mmHg at 25°C |
| Refractive Index | 1.824 |
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 7-chloro-3-methyl-3H-1,2,3-triazolo[4,5-d]pyrimidine?
The CAS number of 7-chloro-3-methyl-3H-1,2,3-triazolo[4,5-d]pyrimidine is 21323-71-7.
What are the molecular formula and molecular weight of 7-chloro-3-methyl-3H-1,2,3-triazolo[4,5-d]pyrimidine?
7-chloro-3-methyl-3H-1,2,3-triazolo[4,5-d]pyrimidine has molecular formula C5H4ClN5 and molecular weight 169.57200 g/mol.
What are the upstream and downstream products of 7-chloro-3-methyl-3H-1,2,3-triazolo[4,5-d]pyrimidine?
For 7-chloro-3-methyl-3H-1,2,3-triazolo[4,5-d]pyrimidine, Upstream Products: 6-Chloro-N4-methyl-4,5-pyrimidinediamine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "7-chloro-3-methyl-3H-1,2,3-triazolo[4,5-d]pyrimidine (CAS 21323-71-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1365399-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.