![Molecular structure of Pyrimido[5,4-d]pyrimidine (CAS 254-82-0)](/images/chem_structures_svg/457/254-82-0.svg)
Pyrimido[5,4-d]pyrimidine
Also known as: 1,3,5,7-Tetraazanaphthalene, Homopurine, Pyrimidopyrimidin, pyrimido[5,4-d]pyrimidine
Pyrimido[5,4-d]pyrimidine (CAS 254-82-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H4N4 and a molecular weight of 132.12300 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 254-82-0
- Jingsj CID
- J-1311815-0
- Molecular Formula
- C6H4N4
- Molecular Weight
- 132.12300 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Exact Mass | 132.04400 |
|---|---|
| PSA | 51.56000 |
| LogP | 0.41980 |
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 Pyrimido[5,4-d]pyrimidine?
The CAS number of Pyrimido[5,4-d]pyrimidine is 254-82-0.
What are the molecular formula and molecular weight of Pyrimido[5,4-d]pyrimidine?
Pyrimido[5,4-d]pyrimidine has molecular formula C6H4N4 and molecular weight 132.12300 g/mol.
What are the upstream and downstream products of Pyrimido[5,4-d]pyrimidine?
For Pyrimido[5,4-d]pyrimidine, Upstream Products: 5-Aminopyrimidine, Methanimidic acid, (Z)-.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Pyrimido[5,4-d]pyrimidine (CAS 254-82-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1311815-0 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.