4-Methyl-2-phenyl-1,3-thiazole-5-carboxylic acid
Also known as: 4-Methyl-2-phenyl-5-thiazolecarboxylic acid, 2-Phenyl-4-methyl-5-thiazolecarboxylic acid, 2-Phenyl-4-methylthiazole-5-carboxylic acid, 5-Carboxy-2-phenylthiazole, 4-methyl-2-phenylthiazol-5-carboxylic acid, AKOS BBS-00004452, IFLAB-BB F1912-0027, MFCD00141955
4-Methyl-2-phenyl-1,3-thiazole-5-carboxylic acid (CAS 33763-20-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H9NO2S and a molecular weight of 219.26000 g/mol. Key properties include a melting point of 210-212°C, a boiling point of 424ºC at 760mmHg, a density of 1.319g/cm3 and a flash point of 210.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 33763-20-1
- Jingsj CID
- J-26997-6
- Molecular Formula
- C11H9NO2S
- Molecular Weight
- 219.26000 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 210-212°C |
|---|---|
| Boiling Point | 424ºC at 760mmHg |
| Density | 1.319g/cm3 |
| Flash Point | 210.3ºC |
| Exact Mass | 219.03500 |
| PSA | 78.43000 |
| LogP | 2.81670 |
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-Methyl-2-phenyl-1,3-thiazole-5-carboxylic acid?
The CAS number of 4-Methyl-2-phenyl-1,3-thiazole-5-carboxylic acid is 33763-20-1.
What are the molecular formula and molecular weight of 4-Methyl-2-phenyl-1,3-thiazole-5-carboxylic acid?
4-Methyl-2-phenyl-1,3-thiazole-5-carboxylic acid has molecular formula C11H9NO2S and molecular weight 219.26000 g/mol.
What are the upstream and downstream products of 4-Methyl-2-phenyl-1,3-thiazole-5-carboxylic acid?
For 4-Methyl-2-phenyl-1,3-thiazole-5-carboxylic acid, Upstream Products: 4-Methyl-2-phenyl-1,3-thiazole-5-carbonyl chloride, ethyl 4-methyl-2-phenyl-1,3-thiazole-5-carboxylate, Thiobenzamide; Downstream Products: 4-Methyl-2-phenyl-1,3-thiazole-5-carbonyl chloride, 4-methyl-2-phenyl-1,3-thiazole, 1-(4-Methyl-2-phenyl-1,3-thiazol-5-yl)ethan-1-one.
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-Methyl-2-phenyl-1,3-thiazole-5-carboxylic acid (CAS 33763-20-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-26997-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.