![Molecular structure of 4-Chlorothieno[3,2-c]pyridine (CAS 27685-94-5)](/images/chem_structures_svg/098/27685-94-5.svg)
4-Chlorothieno[3,2-c]pyridine
Also known as: 4-Chlorothieno[3,2-c]pyridine, Thieno[3,2-c]pyridine, 4-chloro-, MFCD01861830
4-Chlorothieno[3,2-c]pyridine (CAS 27685-94-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H4ClNS and a molecular weight of 169.631 g/mol. Key properties include a melting point of 97-100°C, a boiling point of 296.5±20.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 133.1±21.8 °C. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 27685-94-5
- Jingsj CID
- J-30864-5
- Molecular Formula
- C7H4ClNS
- Molecular Weight
- 169.631 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 97-100°C |
|---|---|
| Boiling Point | 296.5±20.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 133.1±21.8 °C |
| Exact Mass | 168.975296 |
| PSA | 41.13000 |
| LogP | 3.46 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.696 |
GHS Safety & Compliance
- H301 — Toxic if swallowed
- H319 — Causes serious eye irritation
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-Chlorothieno[3,2-c]pyridine?
The CAS number of 4-Chlorothieno[3,2-c]pyridine is 27685-94-5.
What are the molecular formula and molecular weight of 4-Chlorothieno[3,2-c]pyridine?
4-Chlorothieno[3,2-c]pyridine has molecular formula C7H4ClNS and molecular weight 169.631 g/mol.
Is 4-Chlorothieno[3,2-c]pyridine hazardous?
4-Chlorothieno[3,2-c]pyridine has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H319 — Causes serious eye irritation.
What are the upstream and downstream products of 4-Chlorothieno[3,2-c]pyridine?
For 4-Chlorothieno[3,2-c]pyridine, Upstream Products: thieno[3,2-c]pyridin-4-ol; Downstream Products: Thieno[3,2-c]pyridin-4-amine, 4-(piperazin-1-yl)thieno[3,2-c]pyridine.
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-Chlorothieno[3,2-c]pyridine (CAS 27685-94-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-30864-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.