4,5-Dibromo-9,9-dimethyl-9H-xanthene CAS 190789-35-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 190789-35-6 |
| Molecular Formula | C15H12Br2O |
| Molecular Weight | 368.06 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4,5-Dibromo-9,9-dimethyl-9H-xanthene (CAS 190789-35-6), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C15H12Br2O. Molecular weight: 368.06 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C15H12Br2O |
| Molecular Weight | 368.06 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| 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.) | 2011 |
| Halogen Content | Br-containing |
Related Dibromo Standards
- 2,3-Dibromo-1,3-diphenylpropan-1-one (CAS 611-91-6)
- 2-Benzyl-6,8-dibromo-[1,2,4]triazolo[1,5-a]pyrazine (CAS 2428557-51-9)
- 2,4-Dibromo-1-methoxyphenazine (CAS 1259015-02-5)
- 2,2-Dibromo-1-(3,4,5-trimethoxyphenyl)ethan-1-one (CAS 144585-08-0)
- Methyl 3,5-dibromo-2,4-dimethoxy-6-methylbenzoate (CAS 150965-73-4)
- Methyl 4-(4,5-dibromo-1H-pyrrole-2-carboxamido)butanoate (CAS 1706460-02-7)
- 2,2'-Dibromo-4,4',5,5'-tetramethyl-1,1'-biphenyl (CAS 211434-29-6)
- 4,4'-Dibromo-2,2',6,6'-tetramethyl-1,1'-biphenyl (CAS 22409-76-3)
Recommended Standards
- 6-Bromo-2,4-dichloro-N-phenylquinolin-3-amine (CAS 1599524-83-0)
- 1,3-Bis(3-bromophenyl)propan-1-one (CAS 898782-33-7)
- 3-(Bromomethyl)-5-chloro-2-(2-chlorophenyl)quinoxaline (CAS 1064137-43-4)
- 2-((3,4-Dimethyl-2H-pyrrol-2-ylidene)methyl)-3-ethyl-4,5-dimethyl-1H-pyrrole (CAS 736076-80-5)
- N1-(Benzo[d][1,3]dioxol-5-yl)-N2-(2-(furan-3-yl)ethyl)oxalamide (CAS 1448026-78-5)
- (2S,4S)-4-(Diphenylphosphanyl)-2-((diphenylphosphanyl)methyl)pyrrolidine (CAS 61478-29-3)
- Hydroquinone (CAS 123-31-9)
- 4-(Hydroxymethyl)piperidine-1-carbaldehyde (CAS 835633-50-6)
- 2-Chloro-4-(morpholin-4-yl)-6-(2,2,2-trifluoroethoxy)-1,3,5-triazine (CAS 1283693-68-4)
- Acetyl Dipeptide-1 (CAS 196604-48-5)
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