2,5-Dimethylthiophene-3-carbaldehyde
Also known as: 2,5-DIMETHYL-3-FORMYLTHIOPHENE, 2,5-DIMETHYL-THIOPHENE-3-CARBALDEHYDE, 2,5-DIMETHYLTHIOPHENE-3-CARBOXALDEHYDE, 2,5-Dimethylthiophene-3-carboxaldehyde, AKOS B018517, ART-CHEM-BB B018517, MFCD03426895, TIMTEC-BB SBB009464
2,5-Dimethylthiophene-3-carbaldehyde (CAS 26421-44-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H8OS and a molecular weight of 140.20300 g/mol. Key properties include a boiling point of 218ºC at 760mmHg, a density of 1.138g/cm3 and a flash point of 86ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 26421-44-3
- Jingsj CID
- J-1442202-7
- Molecular Formula
- C7H8OS
- Molecular Weight
- 140.20300 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 218ºC at 760mmHg |
|---|---|
| Density | 1.138g/cm3 |
| Flash Point | 86ºC |
| Exact Mass | 140.03000 |
| PSA | 45.31000 |
| LogP | 2.17740 |
| Vapor Pressure | 0.129mmHg at 25°C |
| Refractive Index | 1.581 |
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 2,5-Dimethylthiophene-3-carbaldehyde?
The CAS number of 2,5-Dimethylthiophene-3-carbaldehyde is 26421-44-3.
What are the molecular formula and molecular weight of 2,5-Dimethylthiophene-3-carbaldehyde?
2,5-Dimethylthiophene-3-carbaldehyde has molecular formula C7H8OS and molecular weight 140.20300 g/mol.
What are the upstream and downstream products of 2,5-Dimethylthiophene-3-carbaldehyde?
For 2,5-Dimethylthiophene-3-carbaldehyde, Upstream Products: 2,5-Dimethylthiophene, N,N-Dimethylformamide, N,N-Diformylformamide; Downstream Products: 2,5-Dimethylthiophene-3-carboxylic acid, 2,3,5-Trimethylthiophene, 3-amino-3-(2,5-dimethylthiophen-3-yl)propanoic acid.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,5-Dimethylthiophene-3-carbaldehyde (CAS 26421-44-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1442202-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.