Benzo[d][1,3]selenazole CAS 273-91-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 273-91-6 |
| Molecular Formula | C7H5NSe |
| Molecular Weight | 182.08 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Benzo[d][1,3]selenazole (CAS 273-91-6), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C7H5NSe. Molecular weight: 182.08 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C7H5NSe |
| Molecular Weight | 182.08 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| 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.) | 1957 |
| Nitrogen Atoms | 1 |
Related Benzo Standards
- 1H-Benzo[4,5]imidazo[1,2-b]pyrazole-3-carbonitrile (CAS 501014-85-3)
- 2-(1H-Benzo[d]imidazol-2(3H)-ylidene)malononitrile (CAS 4933-40-8)
- 2-(1H-Benzo[d]imidazol-2-yl)malononitrile (CAS 683220-13-5)
- Benzo[b]thiophene-3(2H)-one 1,1-Dioxide (CAS 1127-35-1)
- 5H-Benzo[4,5]imidazo[1,2-a]azepine (CAS 16977-17-6)
- 6H-Benzo[c]chromene (CAS 229-95-8)
- 1-(Benzo[d][1,3]dioxol-5-yl)ethane-1-thiol (CAS 1039963-53-5)
- 2-(Benzo[d][1,3]dioxol-5-yl)ethane-1-thiol (CAS 119055-46-8)
Recommended Standards
- 5-Fluoro-6-(trifluoromethyl)pyrimidin-4(3H)-one (CAS 2446509-01-7)
- Isoselenocyanatobenzene (CAS 4426-68-0)
- 5-bromothiophen-3-amine (CAS 81974-99-4)
- methyl (2S,6S)-6-methylmorpholine-2-carboxylate (CAS 1969287-68-0)
- 3-[(Methoxymethoxy)methyl]phenol (CAS 1881331-47-0)
- Phenothiazinyl Perazine (CAS 103331-66-4)
- 4-Chloro-2-[(2Z)-2-(4-chlorophenyl)-2-(methoxyimino)ethyl]-5-(pyrrolidin-1-yl)-2,3-dihydropyridazin-3-one (CAS 477855-94-0)
- (3-Cyclopentylisoxazol-5-yl)methanol (CAS 121604-47-5)
- Edoxaban Impurity 108 (CAS CATO-C4X-1063108)
- Semaglutide impurity 78 (CAS CATO-C4X-222678)
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