2,7-Dibromo-9,9-dioctyl-9H-9-silafluorene CAS 891182-24-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 891182-24-4 |
| Molecular Formula | C28H40Br2Si |
| Molecular Weight | 564.51 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 2,7-Dibromo-9,9-dioctyl-9H-9-silafluorene (CAS 891182-24-4), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C28H40Br2Si. Molecular weight: 564.51 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C28H40Br2Si |
| Molecular Weight | 564.51 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Br-containing |
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Recommended Standards
- 9-(1,2-Dihydroxyethyl)-7-[(2R,3R,4R,5S,6S)-3-Fluoro-4,5-Dihydroxy-6-Methyloxan-2-Yl]Oxy-6,9,11-Trihydroxy-4-Methoxy-8,10-Dihydro-7H-Tetracene-5,12-Dione (CAS 129051-72-5)
- Methyl 2-O-allyl-3-O-(2-3-4-6-tetra-O-acetyl-α-D-mannopyranosyl)-α-D-mannopyranoside (CAS 81555-75-1)
- Vicenin III (CAS 59914-91-9)
- 2,5,6-Trimethoxynicotinaldehyde (CAS 124769-08-0)
- MEthyl 3-butoxy-4-chlorobenzoate (CAS 1820703-99-8)
- Cyclohexyl(2,7-diazaspiro[3.5]nonan-2-yl)methanone (CAS 1782522-59-1)
- N-(1-Cyanocyclohexyl)-2-(4,5-dichloro-6-oxopyridazin-1(6H)-yl)acetamide (CAS 877962-33-9)
- N,N-dimethyl-1-(pyrimidin-2-yl)-1H-tetrazol-5-amine (CAS 320415-73-4)
- 3-chloro-4-pyrrolidin-1-ylaniline,2HCl (CAS 1432026-45-3)
- Semaglutide impurity 67 (CAS CATO-C4X-222667)
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