5-Formylthiophene-2-carbonitrile
Also known as: 5-Cyano-2-thiophenecarboxaldehyde, 5-Cyanothiophene-2-carboxaldehyde, 5-Cyano-2-thiophene carbaldehyde, 2-Cyano-5-formylthiophene, 5-Formyl-2-thiophenecarbonitrile, 5-Formyl-thiophene-2-carbonitrile, 5-Cyanothiophene-2-carboxyaldehyde, 5-Aldehyde-2-thiophenecarbonitrile, 2-Thiophenecarbonitrile, 5-formyl-, 5-Cyano-2-thiophene carboxaldehyde
5-Formylthiophene-2-carbonitrile (CAS 21512-16-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H3NOS and a molecular weight of 137.159 g/mol. Key properties include a melting point of 93 °C, a boiling point of 232.1±20.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 94.2±21.8 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful 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.
- 21512-16-3
- Jingsj CID
- J-1505109-9
- Molecular Formula
- C6H3NOS
- Molecular Weight
- 137.159 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 93 °C |
|---|---|
| Boiling Point | 232.1±20.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 94.2±21.8 °C |
| Exact Mass | 136.993530 |
| PSA | 69.10000 |
| LogP | 0.49 |
| Vapor Pressure | 0.1±0.5 mmHg at 25°C |
| Refractive Index | 1.580 |
GHS Safety & Compliance
- H302 — Harmful 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 5-Formylthiophene-2-carbonitrile?
The CAS number of 5-Formylthiophene-2-carbonitrile is 21512-16-3.
What are the molecular formula and molecular weight of 5-Formylthiophene-2-carbonitrile?
5-Formylthiophene-2-carbonitrile has molecular formula C6H3NOS and molecular weight 137.159 g/mol.
Is 5-Formylthiophene-2-carbonitrile hazardous?
5-Formylthiophene-2-carbonitrile has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H319 — Causes serious eye irritation.
What are the upstream and downstream products of 5-Formylthiophene-2-carbonitrile?
For 5-Formylthiophene-2-carbonitrile, Upstream Products: 2-Thiophenecarbonitrile, N,N-Dimethylformamide, 5-(Bromomethyl)thiophene-2-carbonitrile; Downstream Products: 5-(Hydroxymethyl)thiophene-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. "5-Formylthiophene-2-carbonitrile (CAS 21512-16-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1505109-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.