3,7-Dibromo-10H-phenothiazine CAS 21667-32-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 21667-32-3 |
| Molecular Formula | C12H7Br2NS |
| Molecular Weight | 357.06 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3,7-Dibromo-10H-phenothiazine (CAS 21667-32-3) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C12H7Br2NS. Molecular weight: 357.06 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C12H7Br2NS |
| Molecular Weight | 357.06 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | May oxidize slowly on prolonged air exposure; 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.) | 1963 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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Recommended Standards
- tert-Butyl (4,5-dibromothiophen-2-yl)carbamate (CAS 943321-93-5)
- 2,4-dichlorophenyl 2,3,4,5,6-pentafluorobenzoate (CAS 136264-98-7)
- Bis((6-bromopyridin-3-yl)methyl)amine (CAS 2061979-42-6)
- 2-Borono-5-chlorobenzoic acid (CAS 850568-07-9)
- 3-(tert-Butyl)-5-cyclopropoxypicolinaldehyde (CAS 1243456-89-4)
- 4-(N-Ethyl-N-2-Hydroxyethyl)-2-Methylphenylenediamine Sulfate (CAS 25646-77-9)
- N,4-Dihydroxy-3,5-dimethylbenzimidamide (CAS 162854-15-1)
- Epinastine Impurity 24 (CAS 1110929-19-5)
- N-(3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)cyclopropanecarboxamide (CAS 1031747-40-6)
- Peptide Impurity 09 X TFA Salt (CAS CATO-CPTD788809)
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