7-Acetyl-4-hydroxybenzo[d]thiazol-2(3H)-one CAS 662111-33-3
| CAS No. | 662111-33-3 |
| Molecular Formula | C9H7NO3S |
| Molecular Weight | 209.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 7-Acetyl-4-hydroxybenzo[d]thiazol-2(3H)-one (CAS 662111-33-3), a certified reference material (molecular formula C9H7NO3S, MW 209.22 g/mol) for analytical method development and quality control.
Based on its molecular formula C9H7NO3S, 7-Acetyl-4-hydroxybenzo[d]thiazol-2(3H)-one contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 209.22 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 7-Acetyl-4-hydroxybenzo[d]thiazol-2(3H)-one 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 | C9H7NO3S |
| Molecular Weight | 209.22 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Acetyl Standards
- N-(4-Hydroxybenzo[d]thiazol-2-yl)acetamide (CAS 20600-52-6)
- Methyl 7-hydroxybenzo[b]thiophene-6-carboxylate (CAS 1000773-57-8)
- Methyl 6-hydroxybenzo[b]thiophene-2-carboxylate (CAS 1029720-28-2)
- Methyl 6-Hydroxybenzo[b]thiophene-3-carboxylate (CAS 1093631-84-5)
- Methyl 3-hydroxybenzo[b]thiophene-2-carboxylate (CAS 13134-76-4)
- 2-(5-Hydroxybenzo[b]thiophen-3-yl)acetic acid (CAS 16304-48-6)
- Methyl 4-hydroxybenzo[b]thiophene-5-carboxylate (CAS 246177-37-7)
- Methyl 5-hydroxybenzo[b]thiophene-2-carboxylate (CAS 82788-15-6)
Recommended Standards
- 6-Methoxybenzo[d]thiazole-2-carboxylic acid (CAS 946-13-4)
- 7-Methoxybenzo[d]isothiazole-3-carboxylic acid (CAS 677304-80-2)
- 6-Methoxybenzo[d]isothiazole-3-carboxylic acid (CAS 677304-64-2)
- 8-Methyl-3a,4,5,9b-tetrahydro-3 H -cyclopenta[ c ]quinoline-4-carboxylic acid (CAS 354815-91-1)
- 2-(3-Methyl-2,5-dioxo-2,5-dihydro-1h-pyrrol-1-yl)benzoic acid (CAS 553636-63-8)
- Nimbanal (CAS 120462-51-3)
- 3-Propylpyridin-2-amine (CAS 92410-91-8)
- (2-(3',6'-Bis(diethylamino)-3-oxospiro[isoindoline-1,9'-xanthen]-2-yl)phenyl)boronic acid (CAS 1847485-97-5)
- Boc-Phe(3-I)-OH (CAS 273221-75-3)
- 5-(3,5-Dimethylpiperidine-1-carbonyl)-2-methylaniline (CAS 954274-68-1)
- 5-Chloro-3-{[3-(trifluoromethyl)phenyl]methyl}-1,2,4-thiadiazole (CAS 1221346-00-4)
- 3-(5-Cyclopropyl-1h-pyrazol-1-yl)propan-1-amine (CAS 1006469-86-8)
- 5-Methoxyisoquinoline Hydrochloride (CAS 1418117-87-9)
- Hexapeptide-1 (CAS CATO-CPTD788821)
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