4-Bromo-2-cyanothiophene
Also known as: 4-Bromothiophene-2-carbonitrile, 4-Bromo-2-thiophenecarbonitrile, 2-Thiophenecarbonitrile, 4-bromo-, 3-Bromo-5-cyanothiophene
4-Bromo-2-cyanothiophene (CAS 18791-99-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H2BrNS and a molecular weight of 188.04500 g/mol. Key properties include a melting point of 47.0 to 51.0 °C and a density of 1.82g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 18791-99-6
- Jingsj CID
- J-1156487-7
- Molecular Formula
- C5H2BrNS
- Molecular Weight
- 188.04500 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 47.0 to 51.0 °C |
|---|---|
| Density | 1.82g/cm3 |
| Exact Mass | 186.90900 |
| PSA | 52.03000 |
| LogP | 2.38228 |
| Vapor Pressure | 0.066mmHg at 25°C |
| Refractive Index | 1.642 |
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-Bromo-2-cyanothiophene?
The CAS number of 4-Bromo-2-cyanothiophene is 18791-99-6.
What are the molecular formula and molecular weight of 4-Bromo-2-cyanothiophene?
4-Bromo-2-cyanothiophene has molecular formula C5H2BrNS and molecular weight 188.04500 g/mol.
What are the upstream and downstream products of 4-Bromo-2-cyanothiophene?
For 4-Bromo-2-cyanothiophene, Upstream Products: 4-Bromothiophene-2-carboxaldehyde, 4-Bromothiophene-2-carboxamide; Downstream Products: 4-Bromothiophene-2-carboxamide, 2-(4-bromothiophen-2-yl)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-Bromo-2-cyanothiophene (CAS 18791-99-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1156487-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.