![Molecular structure of 4,5,6,7-Tetrahydrothieno[3,2-c]pyridine (CAS 54903-50-3)](/images/chem_structures_svg/421/54903-50-3.svg)
4,5,6,7-Tetrahydrothieno[3,2-c]pyridine
Also known as: 4,5,6,7-Tetrahydrothieno(3,2-c)pyridine, MFCD03839944, Thieno[3,2-c]pyridine, 4,5,6,7-tetrahydro-, PCR-0665, 4,5,6,7-hexahydrothieno[3,2-c]pyridine
4,5,6,7-Tetrahydrothieno[3,2-c]pyridine (CAS 54903-50-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H9NS and a molecular weight of 139.22 g/mol. Key properties include a boiling point of 242.9±30.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 100.7±24.6 °C. It is listed by 1 supplier, from 50.00 to 50.00 CNY. Record last updated Aug 21, 2026.
- CAS No.
- 54903-50-3
- Jingsj CID
- J-1382121-8
- Molecular Formula
- C7H9NS
- Molecular Weight
- 139.22 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
Made to Order | 99% 25g | ¥1,250.00 | $7.48 /gBest ¥50.00/g CNY | CN China MOQ 25g | |
Made to Order | 99% 100g | ¥5,000.00 | $7.48 /g ¥50.00/g CNY | CN China MOQ 100g |
Physicochemical Properties
| Boiling Point | 242.9±30.0 °C at 760 mmHg |
|---|---|
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 100.7±24.6 °C |
| Exact Mass | 139.045563 |
| PSA | 40.27000 |
| LogP | 1.08 |
| Vapor Pressure | 0.0±0.5 mmHg at 25°C |
| Refractive Index | 1.574 |
| SMILES | C1CNCC2=C1SC=C2 |
| InChIKey | OGUWOLDNYOTRBO-UHFFFAOYSA-N |
| InChI | 1S/C7H9NS/c1-3-8-5-6-2-4-9-7(1)6/h2,4,8H,1,3,5H2 |
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 4,5,6,7-Tetrahydrothieno[3,2-c]pyridine?
The CAS number of 4,5,6,7-Tetrahydrothieno[3,2-c]pyridine is 54903-50-3.
What are the molecular formula and molecular weight of 4,5,6,7-Tetrahydrothieno[3,2-c]pyridine?
4,5,6,7-Tetrahydrothieno[3,2-c]pyridine has molecular formula C7H9NS and molecular weight 139.22 g/mol.
Which suppliers offer 4,5,6,7-Tetrahydrothieno[3,2-c]pyridine?
1 supplier(s) listed; reference unit price ¥50.00–50.00 /g.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4,5,6,7-Tetrahydrothieno[3,2-c]pyridine (CAS 54903-50-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1382121-8 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.