6-Chlorobenzo[d]thiazol-2(3H)-one CAS 62266-81-3
| CAS No. | 62266-81-3 |
| Molecular Formula | C7H4ClNOS |
| Molecular Weight | 185.63 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C7H4ClNOS, 6-Chlorobenzo[d]thiazol-2(3H)-one contains an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 185.63 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
6-Chlorobenzo[d]thiazol-2(3H)-one (CAS 62266-81-3) is a high-purity analytical reference standard with the molecular formula C7H4ClNOS and a molecular weight of 185.63 g/mol.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C7H4ClNOS |
| Molecular Weight | 185.63 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.) | 1974 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Chlorobenzo Standards
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- 4-Chlorobenzo[d]thiazol-2(3H)-one (CAS 39205-62-4)
Recommended Standards
- 6-Chloro-3h-imidazo[4,5-b]pyridine-2-thiol (CAS 19918-37-7)
- 6-Chlorobenzoxazole-2(3H)-thione (CAS 22876-20-6)
- 6-Chloro-1H-imidazo[4,5-c]pyridine-2(3H)-thione (CAS 7239-79-4)
- 7-Chlorobenzo[d]isothiazol-3(2H)-one (CAS 4337-44-4)
- Ammonium 2-perfluoropentoxy-2,3,3,3-tetrafluoropropanoate (CAS 96513-97-2)
- 3-(Benzyloxy)isoxazole-5-carboxylic acid (CAS 2552-54-7)
- 1-Phenyl-3-(3-propoxyphenyl)-1H-pyrazole-4-carbaldehyde (CAS 1234692-21-7)
- 2-methylimidazo[2,1-a]phthalazin-6-amine (CAS 54753-09-2)
- 8-Amino-5-isopentyl-3,3-dimethyl-2,3-dihydrobenzo[b][1,4]oxazepin-4(5h)-one (CAS 1170921-93-3)
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