243991-62-0 4f-BiB Pentaerythritol tetrakis(2-bromoisobutyrate) Tetrafunctional initiator Tetrakis(2-bromoisobutyryloxymethyl)methane CAS 243991-62-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 243991-62-0 |
| Molecular Formula | C21H32Br4O8 |
| Molecular Weight | 732.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
243991-62-0 4f-BiB Pentaerythritol tetrakis(2-bromoisobutyrate) Tetrafunctional initiator Tetrakis(2-bromoisobutyryloxymethyl)methane (CAS 243991-62-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C21H32Br4O8. Molecular weight: 732.09 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C21H32Br4O8 |
| Molecular Weight | 732.09 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Br-containing |
Recommended Standards
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