2-Bromo-9,9’-spirobifluorene CAS 171408-76-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 171408-76-7 |
| Molecular Formula | C25H15Br |
| Molecular Weight | 395.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Bromo-9,9’-spirobifluorene (CAS 171408-76-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C25H15Br. Molecular weight: 395.29 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C25H15Br |
| Molecular Weight | 395.29 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2005 |
| Halogen Content | Br-containing |
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Recommended Standards
- 2,3-Dibenzyl-5-bromobenzoic Acid Methyl Ester (CAS 182676-91-1)
- 2-Ethylbutyl 4-(2-bromophenyl)-6-methyl-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate (CAS 300360-02-5)
- tert-Butyl 3-(6-bromo-1-oxoisoindolin-2-yl)piperidine-1-carboxylate (CAS 1443287-35-1)
- (2s)-2-(Carbamoylamino)-3-methylbutanoic acid (CAS 26081-02-7)
- 7-(1-(4-Nitrophenoxy)ethyl)-[1,2,4]triazolo[1,5-a]pyrimidin-2-amine (CAS 477865-13-7)
- 5-(5-Bromothiophen-2-yl)cyclohexane-1,3-dione (CAS 1215652-10-0)
- 3-Amino-2,5-dibromopyrazine (CAS 957230-70-5)
- tert-Butyl (S)-(3-oxo-2,3,4,5-tetrahydro-1H-benzo[c]azepin-4-yl)carbamate (CAS 147239-66-5)
- 4-(Methylthio)-1H-pyrazolo[3,4-d]pyrimidine-3-carbonitrile (CAS 80117-79-9)
- Semaglutide impurity 48 (CAS CATO-C4X-222648)
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