5-Chloro-8-methyl-7-(3-methylbut-2-en-1-yl)-6,7,8,9-tetrahydro-2,7,9a-triazabenzo[cd]azulene-1(2H)-thione CAS 257891-65-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 257891-65-9 |
| Molecular Formula | C16H20ClN3S |
| Molecular Weight | 321.87 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5-Chloro-8-methyl-7-(3-methylbut-2-en-1-yl)-6,7,8,9-tetrahydro-2,7,9a-triazabenzo[cd]azulene-1(2H)-thione (CAS 257891-65-9), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C16H20ClN3S. Molecular weight: 321.87 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C16H20ClN3S |
| Molecular Weight | 321.87 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Chloro Standards
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Recommended Standards
- 2,3-Dibromo-5-fluorobenzotrifluoride (CAS 1027511-90-5)
- 1-bromo-4-(bromomethyl)-2,3,5,6-tetrafluorobenzene (CAS 1049037-64-0)
- 1,3-Dibromo-2-fluoro-5-(trifluoromethyl)benzene (CAS 109919-28-0)
- 2-(2-(Bromomethyl)thiazol-5-yl)-5-(difluoromethyl)-1,3,4-oxadiazole (CAS 2653257-16-8)
- 2,4-Dichloro-6-methylbenzenesulphonyl chloride (CAS 175278-26-9)
- 4-(But-3-yn-1-ylamino)benzoic acid (CAS 1407044-69-2)
- 7-Isopropyl-2,3-dihydrobenzofuran (CAS 131180-38-6)
- 2-(4-Chlorophenyl)quinazolin-4(3H)-one (CAS 7455-77-8)
- 2-(2-Phenylethyl)-1,3-thiazole-5-carbaldehyde (CAS 933685-28-0)
- Tirzepatide Impurity 57 (CAS CATO-C4X-324057)
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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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com