![Molecular structure of Pyrido[3,2-d]pyrimidin-4(3H)-one (CAS 37538-67-3)](/images/chem_structures_svg/110/37538-67-3.svg)
Pyrido[3,2-d]pyrimidin-4(3H)-one
Also known as: Pyrido[3,2-d]pyrimidin-4(1H)-one, 3H-Pyrido[3,2-d]pyrimidin-4-one, 3H,4H-pyrido[3,2-d]pyrimidin-4-one, 1H-pyrido[3,2-d]pyrimidin-4-one, Pyrido[3,2-d]pyrimidin-4-ol
Pyrido[3,2-d]pyrimidin-4(3H)-one (CAS 37538-67-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H5N3O and a molecular weight of 147.134 g/mol. Key properties include a melting point of >300℃, a boiling point of 346.2±34.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 163.2±25.7 °C. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.
- CAS No.
- 37538-67-3
- Jingsj CID
- J-1042118-8
- Molecular Formula
- C7H5N3O
- Molecular Weight
- 147.134 g/mol
- Category
- Pharma Intermediates
- Last updated
- 11/3/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | >300℃ |
|---|---|
| Boiling Point | 346.2±34.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 163.2±25.7 °C |
| Exact Mass | 147.043259 |
| PSA | 58.90000 |
| LogP | -0.72 |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
| Refractive Index | 1.730 |
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 Pyrido[3,2-d]pyrimidin-4(3H)-one?
The CAS number of Pyrido[3,2-d]pyrimidin-4(3H)-one is 37538-67-3.
What are the molecular formula and molecular weight of Pyrido[3,2-d]pyrimidin-4(3H)-one?
Pyrido[3,2-d]pyrimidin-4(3H)-one has molecular formula C7H5N3O and molecular weight 147.134 g/mol.
What are the upstream and downstream products of Pyrido[3,2-d]pyrimidin-4(3H)-one?
For Pyrido[3,2-d]pyrimidin-4(3H)-one, Upstream Products: Triethyl orthoformate, 6-Chloro-3-nitropicolinamide, 3-Aminopicolinic acid; Downstream Products: 4-Chloropyrido[3,2-d]pyrimidine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Pyrido[3,2-d]pyrimidin-4(3H)-one (CAS 37538-67-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1042118-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.