4,5-Difluoro-1,3-benzothiazol-2-ol CAS 898748-75-9
| CAS No. | 898748-75-9 |
| Molecular Formula | C7H3F2NOS |
| Molecular Weight | 187.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 4,5-Difluoro-1,3-benzothiazol-2-ol.
CATO supplies 4,5-Difluoro-1,3-benzothiazol-2-ol (CAS 898748-75-9), a certified reference material (molecular formula C7H3F2NOS, MW 187.17 g/mol) for analytical method development and quality control.
4,5-Difluoro-1,3-benzothiazol-2-ol (C7H3F2NOS) contains an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 4,5-Difluoro-1,3-benzothiazol-2-ol under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C7H3F2NOS |
| Molecular Weight | 187.17 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 3-Methylisothiazole-4,5-dicarboxylic acid (CAS 67048-61-7)
- 5-(tert-Butyl)-4-fluoroisoxazole-3-carboxylic acid (CAS 2761040-27-9)
- 3-Ethynyl-5-fluoro-1H-indole-2-carbaldehyde (CAS 2757701-15-6)
- 5,7-Difluorobenzo[d]thiazol-2(3H)-one, 97% (CAS 898747-61-0)
- 1-((2R,4S,5R)-4-Hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-5-(prop-2-yn-1-yloxy)pyrimidine-2,4(1H,3H)-dione (CAS 65367-85-3)
- (E)-2-Methylnon-2-en-1-yl propionate (CAS 59916-27-7)
- 2-{4-[(methylamino)methyl]piperidin-1-yl}-1-phenylethan-1-ol (CAS 1306603-13-3)
- 2-(4-Bromo-1h-pyrazol-1-yl)-1,3-thiazole (CAS 1183201-85-5)
- Riboflavin RC 3 (CAS 111437-10-6)
- 4-Ethyl-7-oxo-2-(trifluoromethyl)-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylic acid (CAS 1135989-36-4)
- 2-(3-Methoxyphenyl)-2-(pyrrolidin-1-yl)acetic acid (CAS 1017378-24-3)
- Fmoc-L-allo-threoninol (CAS 252049-03-9)
- 2-Fluoro-2-(phenylthio)acetonitrile (CAS 130612-84-9)
- Semaglutide Impurity 124 (CAS CATO-C4X-2226124)
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