5-Methyl-2-thiophenecarboxaldehyde
Also known as: 5-Methylthiophene-2-carboxaldehyde, 2-Formyl-5-methylthiophene, 5-Methyl-2-thenaldehyde, 5-Methyl-2-formylthiophene, 5-Methylthiophene-2-aldehyde, 5-Methylthiophene-2-carbaldehyde, 5-Methyl-2-thiophenecarbaldehyde
5-Methyl-2-thiophenecarboxaldehyde (CAS 13679-70-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H6OS and a molecular weight of 126.176 g/mol. Key properties include a boiling point of 218.3±0.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 87.8±0.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 13679-70-4
- Jingsj CID
- J-33277-4
- Molecular Formula
- C6H6OS
- Molecular Weight
- 126.176 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 218.3±0.0 °C at 760 mmHg |
|---|---|
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 87.8±0.0 °C |
| Exact Mass | 126.013931 |
| PSA | 45.31000 |
| LogP | 1.48 |
| Vapor Pressure | 0.1±0.4 mmHg at 25°C |
| Refractive Index | 1.593 |
Activity & Biological Data
| Additional Information | [1]. DavutAvcı, et al. 5-Methyl-2-thiophenecarboxaldehyde: Experimental and TD/DFT study. Journal of Molecular Structure. 2018 Dec 15; 1174: 52-59. |
|---|
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-Methyl-2-thiophenecarboxaldehyde?
The CAS number of 5-Methyl-2-thiophenecarboxaldehyde is 13679-70-4.
What are the molecular formula and molecular weight of 5-Methyl-2-thiophenecarboxaldehyde?
5-Methyl-2-thiophenecarboxaldehyde has molecular formula C6H6OS and molecular weight 126.176 g/mol.
What are the upstream and downstream products of 5-Methyl-2-thiophenecarboxaldehyde?
For 5-Methyl-2-thiophenecarboxaldehyde, Upstream Products: 2-Methylthiophene, N,N-Dimethylformamide, 1,2-dichloroethane; Downstream Products: 5-Methyl-2-thiophenecarboxylic acid, 2,5-Dimethylthiophene-3-carboxylic acid, 2-amino-2-(5-methylthiophen-2-yl)acetic 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. "5-Methyl-2-thiophenecarboxaldehyde (CAS 13679-70-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-33277-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.