4-(3-Fluorophenyl)-1,2,3-thiadiazole-5-carboxylic acid CAS 1495844-95-5
| CAS No. | 1495844-95-5 |
| Molecular Formula | C9H5FN2O2S |
| Molecular Weight | 224.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C9H5FN2O2S, 4-(3-Fluorophenyl)-1,2,3-thiadiazole-5-carboxylic acid contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 224.21 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
4-(3-Fluorophenyl)-1,2,3-thiadiazole-5-carboxylic acid (CAS 1495844-95-5), molecular formula C9H5FN2O2S and molecular weight 224.21 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 4-(3-Fluorophenyl)-1,2,3-thiadiazole-5-carboxylic acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C9H5FN2O2S |
| Molecular Weight | 224.21 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1992 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Fluorophenyl Standards
- 5-(4-Fluorophenyl)-1,3,4-thiadiazole-2-carboxylic acid (CAS 1260672-44-3)
- 5-(3-Fluorophenyl)-1,3,4-thiadiazole-2-carboxylic acid (CAS 1388057-04-2)
- 5-(2-Fluorophenyl)-1,3,4-thiadiazole-2-carboxylic acid (CAS 1388071-20-2)
- 4-(2-Fluorophenyl)-1,2,3-thiadiazole-5-carboxylic acid (CAS 183304-92-9)
- 4-(4-Fluorophenyl)-1,2,3-thiadiazole-5-carboxylic acid (CAS 933709-92-3)
- Methyl 3-(4-fluorophenyl)-1H-pyrazole-4-carboxylate (CAS 1017784-36-9)
- 2-(4-Fluorophenyl)quinazoline (CAS 1208259-07-7)
- 2-(2-Fluorophenyl)quinazoline (CAS 1222094-31-6)
Recommended Standards
- 2-(2,4-Difluorophenyl)-1-(4H-1,2,4-triazol-3-yl)ethan-1-amine (CAS 1490975-40-0)
- 6-((Tetrahydro-2h-pyran-4-yl)oxy)pyrazine-2-carboxylic acid (CAS 1499308-93-8)
- 6-Oxo-2-(tetrahydro-2H-pyran-4-yl)-1,6-dihydropyrimidine-5-carboxylic acid (CAS 1483625-38-2)
- Dibenzo[b,e]oxepine-6,11-dione (CAS 15128-50-4)
- 1-(4-(1H-Indole-2-carbonyl)pyridin-3-yl)ethanone (CAS 348085-14-3)
- AM 404-d4 (CAS 1185244-71-6)
- Methyl 4-Acetyl-3-methylbenzoate (CAS 57542-73-1)
- 5-Bromo-2-(ethylamino)benzoic acid (CAS 82762-56-9)
- 1-(6-Chloropyridazin-3-yl)-N-(prop-2-en-1-yl)piperidine-4-carboxamide (CAS 339276-40-3)
- 5-Bromo-1-isobutylpyrimidin-2(1h)-one (CAS 1936367-84-8)
- (3R,8AS)-3-methyloctahydropyrrolo[1,2-a]pyrazine dihydrochloride (CAS 2230901-07-0)
- (E)-2-(Ethoxymethylene)-3-oxobutanenitrile (CAS 278602-14-5)
- 4-Chloro-6-cyanopicolinamide (CAS 1823962-63-5)
- Neuropeptide Y (3-36) (human, rat) trifluoroacetate salt (CAS 150138-78-6)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com