2-Methyl-1,3-thiazole-4-carbaldehyde
Also known as: 4-Formyl-2-methylthiazole, 2-Methyl-4-thiazolecarboxaldehyde, 2-Methylthiazole-4-carboxaldehyde, 4-Formyl-2-methyl-1,3-thiazole, 4-Thiazolecarboxaldehyde, 2-methyl-, 2-Methyl-1,3-thiazole-4-carboxaldehyde
2-Methyl-1,3-thiazole-4-carbaldehyde (CAS 20949-84-2) 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 56-58ºC, a boiling point of 219.0±13.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 86.2±19.8 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 20949-84-2
- Jingsj CID
- J-1408479-8
- 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 | 56-58ºC |
|---|---|
| Boiling Point | 219.0±13.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 86.2±19.8 °C |
| Exact Mass | 127.009186 |
| PSA | 58.20000 |
| LogP | 0.52 |
| Vapor Pressure | 0.1±0.4 mmHg at 25°C |
| Refractive Index | 1.601 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
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 2-Methyl-1,3-thiazole-4-carbaldehyde?
The CAS number of 2-Methyl-1,3-thiazole-4-carbaldehyde is 20949-84-2.
What are the molecular formula and molecular weight of 2-Methyl-1,3-thiazole-4-carbaldehyde?
2-Methyl-1,3-thiazole-4-carbaldehyde has molecular formula C5H5NOS and molecular weight 127.164 g/mol.
Is 2-Methyl-1,3-thiazole-4-carbaldehyde hazardous?
2-Methyl-1,3-thiazole-4-carbaldehyde has GHS signal word Warning and hazard statements H302 — Harmful if swallowed.
What are the upstream and downstream products of 2-Methyl-1,3-thiazole-4-carbaldehyde?
For 2-Methyl-1,3-thiazole-4-carbaldehyde, Upstream Products: Ethyl 2-methylthiazole-4-carboxylate, (2-Methylthiazol-4-yl)methanol, Oxalyl chloride; Downstream Products: 4-Ethynyl-2-methylthiazole, Epothilone A, Epothilone B.
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-Methyl-1,3-thiazole-4-carbaldehyde (CAS 20949-84-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1408479-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.