2-[2-(4-CHLOROPHENYL)-1,3-THIAZOL-4-YL]ACETIC ACID
- CAS NO.:17969-20-9
- Empirical Formula: C11H8ClNO2S
- Molecular Weight: 253.7
- MDL number: MFCD00721754
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-11-05 19:05:58
What is 2-[2-(4-CHLOROPHENYL)-1,3-THIAZOL-4-YL]ACETIC ACID?
Originator
Fenclozic Acid,ZYF Pharm Chemical
The Uses of 2-[2-(4-CHLOROPHENYL)-1,3-THIAZOL-4-YL]ACETIC ACID
Fenclozic Acid is a a potent antiinflammatory agent with analgesic and antipyretic properties and is a human hepatotoxic drug.
Manufacturing Process
3.7 parts of 2-(4-chlorophenyl)-4-cyanomethylthiazole and 35 parts of 6 N
hydrochloric acid are heated under reflux for 2 hours. The solution is cooled
by the addition of ice and made alkaline to pH 8 by the addition of 30%
aqueous ammonia. The mixture is filtered to remove trace impurities, and an
excess of 40% sodium hydroxide solution is then added to the filtrate to cause
precipitation of a sodium salt, which is collected by filtration and crystallised
from water. There is thus obtained sodium 2-(4-chlorophenyl)thiazol-4-
ylacetate, M.P. 13°C (decomposition).
This sodium salt is dissolved in hot water, and the solution is brought to pH 4
by the addition of acetic acid, which causes the precipitation of 2-(4-
chlorophenyl)thiazol-4-ylacetic acid. This is collected by filtration, washed with
water, and dried in vacuo over phosphorus pentoxide. It has an M.P. 155-
156°C (from ethyl acetate).
Therapeutic Function
Antiinflammatory, Analgesic, Antipyretic
Properties of 2-[2-(4-CHLOROPHENYL)-1,3-THIAZOL-4-YL]ACETIC ACID
Melting point: | 150-152°C |
Boiling point: | 145°C (rough estimate) |
Density | 1.2270 (rough estimate) |
refractive index | 1.6300 (estimate) |
storage temp. | 2-8°C |
solubility | DMSO (Slightly), Methanol (Slightly) |
pka | 3.83±0.10(Predicted) |
form | Solid |
color | Off-White to Pale Brown |
Safety information for 2-[2-(4-CHLOROPHENYL)-1,3-THIAZOL-4-YL]ACETIC ACID
Signal word | Warning |
Pictogram(s) |
Exclamation Mark Irritant GHS07 |
GHS Hazard Statements |
H302:Acute toxicity,oral |
Precautionary Statement Codes |
P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. |
Computed Descriptors for 2-[2-(4-CHLOROPHENYL)-1,3-THIAZOL-4-YL]ACETIC ACID
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