4-Methylthiazole-5-carboxaldehyde
Also known as: 5-Formyl-4-methylthiazole, 4-Methyl-5-formylthiazole, 4-Methylthiazole-5-aldehyde, 4-Methyl-5-thiazolyl aldehyde, 4-Methyl-1,3-thiazole-5-carbaldehyde, 4-Methyl-5-thiazolecarboxaldehyde, FMT
4-Methylthiazole-5-carboxaldehyde (CAS 82294-70-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H5NOS and a molecular weight of 127.164 g/mol. Key properties include a melting point of 72-78ºC, a boiling point of 228.1±20.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 91.8±21.8 °C. It is classified under GHS with signal word Danger and hazard statements H318 — Causes serious eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 82294-70-0
- Jingsj CID
- J-1352449-8
- Molecular Formula
- C5H5NOS
- Molecular Weight
- 127.164 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 72-78ºC |
|---|---|
| Boiling Point | 228.1±20.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 91.8±21.8 °C |
| Exact Mass | 127.009186 |
| PSA | 58.20000 |
| LogP | 0.32 |
| Vapor Pressure | 0.1±0.5 mmHg at 25°C |
| Refractive Index | 1.601 |
GHS Safety & Compliance
- H318 — Causes serious eye damage
Customs & Trade Information
| HS Code | 2934100090 |
|---|---|
| Summary | 2934100090 other compounds containing an unfused thiazole ring (whether or not hydrogenated) in the structure VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 4-Methylthiazole-5-carboxaldehyde?
The CAS number of 4-Methylthiazole-5-carboxaldehyde is 82294-70-0.
What are the molecular formula and molecular weight of 4-Methylthiazole-5-carboxaldehyde?
4-Methylthiazole-5-carboxaldehyde has molecular formula C5H5NOS and molecular weight 127.164 g/mol.
Is 4-Methylthiazole-5-carboxaldehyde hazardous?
4-Methylthiazole-5-carboxaldehyde has GHS signal word Danger and hazard statements H318 — Causes serious eye damage.
What are the upstream and downstream products of 4-Methylthiazole-5-carboxaldehyde?
For 4-Methylthiazole-5-carboxaldehyde, Upstream Products: 2-(4-Methyl-1,3-thiazol-5-yl)ethanol, (4-Methyl-1,3-thiazol-5-yl)methanol, Ethyl 4-methylthiazole-5-carboxylate; Downstream Products: (4-Methyl-1,3-thiazol-5-yl)methanol, 4-Methyl-2-phenylthiazole-5-carbaldehyde, Cefditoren sodium.
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-Methylthiazole-5-carboxaldehyde (CAS 82294-70-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1352449-8 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.