5,6-Dimethylbenzo[d]thiazol-2(3H)-one, 97% CAS 80689-20-9
| CAS No. | 80689-20-9 |
| Molecular Formula | C9H9NOS |
| Molecular Weight | 179.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO supplies 5,6-Dimethylbenzo[d]thiazol-2(3H)-one, 97% (CAS 80689-20-9), a certified reference material (molecular formula C9H9NOS, MW 179.24 g/mol) for analytical method development and quality control.
5,6-Dimethylbenzo[d]thiazol-2(3H)-one, 97% (C9H9NOS) contains a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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).
As a certified reference material (CRM), 5,6-Dimethylbenzo[d]thiazol-2(3H)-one, 97% 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 | C9H9NOS |
| Molecular Weight | 179.24 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | 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.) | 1980 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Dimethylbenzo Standards
- 5,7-Dimethylbenzo[d]thiazol-2(3H)-one, 97% (CAS 1188044-77-0)
- 4,5-Dimethylbenzo[d]thiazol-2(3H)-one, 97% (CAS 1188226-49-4)
- 2,5-Dimethylbenzo[d]thiazol-6-ol (CAS 90563-67-0)
- 4,6-Dimethylbenzo[d]thiazol-2(3H)-one, 97% (CAS 80567-67-5)
- 5,7-Dimethylbenzo[d]oxazole-2-thiol (CAS 89227-88-3)
- 6,7-Dimethylbenzo[d]thiazol-2(3H)-one, 97% (CAS 80689-21-0)
- 2,5-Dimethylbenzo[d]thiazol-4-amine (CAS 650635-67-9)
- 2,6-Dimethylbenzo[d]thiazol-5-amine (CAS 98953-72-1)
Recommended Standards
- 5,6,7,8-Tetrahydroimidazo[2',1':2,3]thiazolo[5,4-c]pyridine (CAS 74004-53-8)
- 5,7-Dimethyl-[1,3]thiazolo[4,5-b]pyridin-2-amine (CAS 203380-78-3)
- 5-(Methylthio)-1H-benzo[d]imidazol-2-amine (CAS 67469-01-6)
- 4-Phenylthiazolidin-2-one (CAS 63615-85-0)
- n-(3-Aminophenyl)-4-chlorobenzene-1-sulfonamide (CAS 953733-67-0)
- 0134AF 2-{1-[(5-Methyl-2-furyl)methyl]-2-piperazinyl}ethanol 819802-25-0 C12H20N2O2 (CAS 819802-25-0)
- 1H-Benzimidazolium, 5,6-dichloro-1-ethyl-2-[2-(phenylamino)ethenyl]-3-(3-sulfobutyl)-, inner salt (CAS 63148-86-7)
- 4-{[4-(4-methylbenzoyloxy)phenyl]sulfanyl}phenyl 4-methylbenzoate (CAS 331459-78-0)
- 3-Amino-7-chloro-3,4-dihydroquinolin-2(1H)-one (CAS 56433-13-7)
- 2-(5-Chloro-2-methylphenoxy)ethane-1-sulfonyl chloride (CAS 1489043-83-5)
- 6-Isopropyl-2-(4-((2-methylpiperidin-1-yl)sulfonyl)benzamido)-4,5,6,7-tetrahydrothieno[2,3-c]pyridine-3-carboxamide (CAS 449768-63-2)
- Tirofiban Impurity 22 (CAS 2374-68-7)
- tert-Butyl (S)-1-methyl-5-oxopyrrolidine-2-carboxylate (CAS 591225-53-5)
- Semaglutide Impurity 139 (CAS CATO-C4X-2226139)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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