![Molecular structure of 4,7-Dichlorothieno[2,3-d]pyridazine (CAS 699-89-8)](/images/chem_structures_svg/419/699-89-8.svg)
4,7-Dichlorothieno[2,3-d]pyridazine
Also known as: 4,7-Dichlorothieno[2,3-d]pyridazine, 4,7-DICHLORO-THIENO[2,3-D]PYRIDAZINE, Thieno[2,3-d]pyridazine, 4,7-dichloro-, 4,7-dichloro-thieno[2,3-d]pyridazine
4,7-Dichlorothieno[2,3-d]pyridazine (CAS 699-89-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H2Cl2N2S and a molecular weight of 205.064 g/mol. Key properties include a boiling point of 409.6±40.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 201.5±27.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 699-89-8
- Jingsj CID
- J-1499909-8
- Molecular Formula
- C6H2Cl2N2S
- Molecular Weight
- 205.064 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 409.6±40.0 °C at 760 mmHg |
|---|---|
| Density | 1.7±0.1 g/cm3 |
| Flash Point | 201.5±27.3 °C |
| Exact Mass | 203.931580 |
| PSA | 54.02000 |
| LogP | 2.96 |
| Vapor Pressure | 0.0±0.9 mmHg at 25°C |
| Refractive Index | 1.715 |
| Storage Conditions | 2-8°C |
Customs & Trade Information
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. 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 4,7-Dichlorothieno[2,3-d]pyridazine?
The CAS number of 4,7-Dichlorothieno[2,3-d]pyridazine is 699-89-8.
What are the molecular formula and molecular weight of 4,7-Dichlorothieno[2,3-d]pyridazine?
4,7-Dichlorothieno[2,3-d]pyridazine has molecular formula C6H2Cl2N2S and molecular weight 205.064 g/mol.
What are the upstream and downstream products of 4,7-Dichlorothieno[2,3-d]pyridazine?
For 4,7-Dichlorothieno[2,3-d]pyridazine, Upstream Products: 5,6-Dihydrothieno[2,3-d]pyridazine-4,7-dione, dimethyl thiophene-2,3-dicarboxylate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4,7-Dichlorothieno[2,3-d]pyridazine (CAS 699-89-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1499909-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.