4-aminothiophene-2-carbonitrile
Also known as: 2-Thiophenecarbonitrile, 4-amino-, 4-amino-2-thiophenecarbonitrile, 2-cyano-4-aminothiophene, 4-amino-2-cyanothiophene
4-aminothiophene-2-carbonitrile (CAS 73781-74-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H4N2S and a molecular weight of 124.16400 g/mol. Key property: a boiling point of 352.6±22.0°C at 760 mmHg. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 73781-74-5
- Jingsj CID
- J-1441267-0
- Molecular Formula
- C5H4N2S
- Molecular Weight
- 124.16400 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 352.6±22.0°C at 760 mmHg |
|---|---|
| Exact Mass | 124.01000 |
| PSA | 78.05000 |
| LogP | 1.78318 |
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-aminothiophene-2-carbonitrile?
The CAS number of 4-aminothiophene-2-carbonitrile is 73781-74-5.
What are the molecular formula and molecular weight of 4-aminothiophene-2-carbonitrile?
4-aminothiophene-2-carbonitrile has molecular formula C5H4N2S and molecular weight 124.16400 g/mol.
What are the upstream and downstream products of 4-aminothiophene-2-carbonitrile?
For 4-aminothiophene-2-carbonitrile, Upstream Products: 4-Nitrothiophene-2-carbonitrile.
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-aminothiophene-2-carbonitrile (CAS 73781-74-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1441267-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.