4-Chloro-2,3-dihydro-1,2-benzothiazol-3-one CAS 16505-59-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 16505-59-2 |
| Molecular Formula | C7H4ClNOS |
| Molecular Weight | 185.63 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Chloro-2,3-dihydro-1,2-benzothiazol-3-one (CAS 16505-59-2) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C7H4ClNOS. Molecular weight: 185.63 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
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.) | 1961 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 4-Amino-2-chlorothieno[3,2-d]pyrimidine (CAS 16234-40-5)
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- 7-Chloro-5-methylthiazolo[4,5-d]pyrimidine (CAS 1550884-43-9)
- 02:0 SM (d18:1/2:0) (CAS 148306-05-2)
- Ethyl [4-hydroxy-2-(methoxymethyl)-pyrimidin-5-yl]acetate (CAS 167985-26-4)
- 1187166-43-3 4-(3-Nitrobenzoyl)isoquinoline MFCD13153034 (CAS 1187166-43-3)
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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 13829788188 / jacky.chen@cato-chem.com