5,7-dimethylpyrido[2,3-d]pyrimidin-4(3H)-one
5,7-二甲基吡啶并[2,3-d]嘧啶-4(3H)-酮
Also known as: 5,7-dimethyl-4-hydroxypyrido[2,3-d]pyrimidine, 5,7-dimethyl-1H-pyrido[2,3-d]pyrimidin-4-one, 5,7-dimethyl-3H-pyrido[2,3-d]pyrimidin-4-one, 5,7-dimethyl-3-hydropyridino[2,3-d]pyrimidin-4-one, pyrido[2,3-d]pyrimidin-4(3H)-one,5,7-dimethyl-
5,7-dimethylpyrido[2,3-d]pyrimidin-4(3H)-one (CAS 1913-72-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H9N3O and a molecular weight of 175.18700 g/mol. It is also known as 5,7-dimethyl-4-hydroxypyrido[2,3-d]pyrimidine, 5,7-dimethyl-1H-pyrido[2,3-d]pyrimidin-4-one and 5,7-dimethyl-3H-pyrido[2,3-d]pyrimidin-4-one. Key properties include a melting point of 330ºC, a boiling point of 361.8ºC at 760 mmHg, a density of 1.34g/cm3 and a flash point of 172.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1913-72-0
- Jingsj CID
- J-27027-8
- Molecular Formula
- C9H9N3O
- Chinese Name
- 5,7-二甲基吡啶并[2,3-d]嘧啶-4(3H)-酮
- Molecular Weight
- 175.18700 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 330ºC |
|---|---|
| Boiling Point | 361.8ºC at 760 mmHg |
| Density | 1.34g/cm3 |
| Flash Point | 172.6ºC |
| Exact Mass | 175.07500 |
| PSA | 58.64000 |
| LogP | 0.93490 |
| Vapor Pressure | 2.02E-05mmHg at 25°C |
| Refractive Index | 1.669 |
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 5,7-dimethylpyrido[2,3-d]pyrimidin-4(3H)-one?
The CAS number of 5,7-dimethylpyrido[2,3-d]pyrimidin-4(3H)-one is 1913-72-0.
What are the molecular formula and molecular weight of 5,7-dimethylpyrido[2,3-d]pyrimidin-4(3H)-one?
5,7-dimethylpyrido[2,3-d]pyrimidin-4(3H)-one has molecular formula C9H9N3O and molecular weight 175.18700 g/mol.
What are the upstream and downstream products of 5,7-dimethylpyrido[2,3-d]pyrimidin-4(3H)-one?
For 5,7-dimethylpyrido[2,3-d]pyrimidin-4(3H)-one, Upstream Products: 2,4-Pentanedione, 2-Amino-4,6-dimethylnicotinic acid, Methanimidic acid, (Z)-.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5,7-dimethylpyrido[2,3-d]pyrimidin-4(3H)-one (CAS 1913-72-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-27027-8 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.