![Molecular structure of 2,4-Dichloropyrido[2,3-d]pyrimidine (CAS 126728-20-9)](/images/chem_structures_svg/215/126728-20-9.svg)
2,4-Dichloropyrido[2,3-d]pyrimidine
Also known as: 2,4-Dichloro-pyrido[2,3-d]pyrimidine, Pyrido[2,3-d]pyrimidine, 2,4-dichloro-
2,4-Dichloropyrido[2,3-d]pyrimidine (CAS 126728-20-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H3Cl2N3 and a molecular weight of 200.025 g/mol. Key properties include a boiling point of 286.1±22.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 154.2±7.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 126728-20-9
- Jingsj CID
- J-1525657-2
- Molecular Formula
- C7H3Cl2N3
- Molecular Weight
- 200.025 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 286.1±22.0 °C at 760 mmHg |
|---|---|
| Density | 1.6±0.1 g/cm3 |
| Flash Point | 154.2±7.9 °C |
| Exact Mass | 198.970398 |
| PSA | 38.67000 |
| LogP | 1.79 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.682 |
| Storage Conditions | 2-8°C |
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 2,4-Dichloropyrido[2,3-d]pyrimidine?
The CAS number of 2,4-Dichloropyrido[2,3-d]pyrimidine is 126728-20-9.
What are the molecular formula and molecular weight of 2,4-Dichloropyrido[2,3-d]pyrimidine?
2,4-Dichloropyrido[2,3-d]pyrimidine has molecular formula C7H3Cl2N3 and molecular weight 200.025 g/mol.
What are the upstream and downstream products of 2,4-Dichloropyrido[2,3-d]pyrimidine?
For 2,4-Dichloropyrido[2,3-d]pyrimidine, Upstream Products: pyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione, 2-Aminonicotinic acid, N-(3-Methylpyridin-2-yl)acetamide; Downstream Products: 2-Chloropyrido[2,3-d]pyrimidine-4(1H)-thione, 2-Chloropyrido[2,3-d]pyrimidin-4(1H)-one hydrochloride, Pyrido[2,3-d]pyrimidin-4(1H)-one.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,4-Dichloropyrido[2,3-d]pyrimidine (CAS 126728-20-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1525657-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.