3-(Benzo[d]thiazol-2-yl)-1,2,4-oxadiazole CAS 39512-78-2
| CAS No. | 39512-78-2 |
| Molecular Formula | C9H5N3OS |
| Molecular Weight | 203.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-(Benzo[d]thiazol-2-yl)-1,2,4-oxadiazole (CAS 39512-78-2), molecular formula C9H5N3OS and molecular weight 203.22 g/mol, is a CATO reference standard with documented purity and traceability.
3-(Benzo[d]thiazol-2-yl)-1,2,4-oxadiazole (C9H5N3OS) 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. 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.
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 | C9H5N3OS |
| Molecular Weight | 203.22 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1968 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Benzo Standards
- 2-(Benzo[d]thiazol-2-yl)-1,3,4-oxadiazole (CAS 55439-42-4)
- 5-(Benzo[d][1,3]dioxol-5-yl)-1H-imidazol-2-amine (CAS 1215987-59-9)
- 1-(1H-Benzo[d][1,2,3]triazol-1-yl)-2,2-dimethylpropan-1-one (CAS 26179-83-9)
- 1-(1H-Benzo[d][1,2,3]triazol-1-yl)-3-methylbutan-1-one (CAS 349428-79-1)
- 5-(Benzo[d][1,3]dioxol-5-yl)-1H-pyrazol-3-amine (CAS 208519-15-7)
- 31075-58-8 4-(1H-benzo[d]imidazol-2-yl)morpholine DTXSID30300868 (CAS 31075-58-8)
- 1-(Benzo[d]oxazol-2-yl)cyclopropane-1-carboxylic acid (CAS 949559-17-5)
- 2-(Benzo[d][1,3]dioxol-5-yl)-3-oxobutanenitrile (CAS 24966-30-1)
Recommended Standards
- 3-(5-Mercapto-1,3,4-oxadiazol-2-yl)benzonitrile (CAS 203268-77-3)
- 3-Amino-5-methoxybenzenesulfonic acid (CAS 212772-32-2)
- 2-Hydroxy-5-methoxybenzenesulfonamide (CAS 82020-60-8)
- 3-Ethoxy-1,2,4-thiadiazol-5-yl methylcarbamate (CAS 75465-42-8)
- 83916-76-1 Benzo[3,4]cycloocta[1,2-f][1,3]benzodioxol-8-ol,5,6,7,8-tetrahydro-1,2,3,13-tetramethoxy-6,7- dimethyl-,(6S,7S,8R,13aS)- (CAS 83916-76-1)
- tert-Butyl (4-((3-chloropropyl)amino)-4-oxobutyl)carbamate (CAS 92611-33-1)
- 1-[4'-(1,3-Dioxolan-2-yl)[1,1'-biphenyl]-2-yl] ethanone (CAS 400750-53-0)
- 1365963-61-6 3-(Azidomethyl)-1,2,4-oxadiazole-5-carboxamide MFCD22056552 (CAS 1365963-61-6)
- 5-bromo-2-fluoro-4-[1-(methoxymethoxy)ethyl]benzaldehyde (CAS 2044714-57-8)
- 4-((5,6,7,8-tetrahydronaphthalen-1-yl)oxy)benzaldehyde (CAS CATO-C3D-263074)
- Methyl 3-bromo-5-(2-oxopyrrolidin-1-yl)benzoate (CAS 537657-85-5)
- (Ethyleneoxy)di-carbamic Acid Diethyl Ester 112844-39-0 (CAS 112844-39-0)
- 3-Bromo-5-(pyrimidin-4-yl)pyridin-2(1H)-one (CAS 90024-18-3)
- Semaglutide Impurity 144 (CAS 394210-59-4)
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