Ethyl 4-hydroxy-5-methylthiazole-2-carboxylate
Also known as: 2-Thiazolecarboxylic acid, 4-hydroxy-5-methyl-, ethyl ester, ethyl 4-hydroxy-5-methyl-1,3-thiazole-2-carboxylate, 2-carbethoxy-4-hydroxy-5-methylthiazole, 4-hydroxy-5-methyl-2-thiazolecarboxylic acid ethyl ester, ethyl 5-methyl-4-oxidanyl-1,3-thiazole-2-carboxylate
Ethyl 4-hydroxy-5-methylthiazole-2-carboxylate (CAS 133833-93-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H9NO3S and a molecular weight of 187.21600 g/mol. Key properties include a boiling point of 309.7ºC at 760 mmHg, a density of 1.325g/cm3 and a flash point of 141.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 133833-93-9
- Jingsj CID
- J-1052172-9
- Molecular Formula
- C7H9NO3S
- Molecular Weight
- 187.21600 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 309.7ºC at 760 mmHg |
|---|---|
| Density | 1.325g/cm3 |
| Flash Point | 141.1ºC |
| Exact Mass | 187.03000 |
| PSA | 87.66000 |
| LogP | 1.33380 |
| Vapor Pressure | 0.000345mmHg at 25°C |
| Refractive Index | 1.562 |
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 Ethyl 4-hydroxy-5-methylthiazole-2-carboxylate?
The CAS number of Ethyl 4-hydroxy-5-methylthiazole-2-carboxylate is 133833-93-9.
What are the molecular formula and molecular weight of Ethyl 4-hydroxy-5-methylthiazole-2-carboxylate?
Ethyl 4-hydroxy-5-methylthiazole-2-carboxylate has molecular formula C7H9NO3S and molecular weight 187.21600 g/mol.
What are the upstream and downstream products of Ethyl 4-hydroxy-5-methylthiazole-2-carboxylate?
For Ethyl 4-hydroxy-5-methylthiazole-2-carboxylate, Upstream Products: 2-Mercaptopropionic acid, Ethyl cyanoformate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Ethyl 4-hydroxy-5-methylthiazole-2-carboxylate (CAS 133833-93-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1052172-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.