243991-62-0 4f-BiB Pentaerythritol tetrakis(2-bromoisobutyrate) Tetrafunctional initiator Tetrakis(2-bromoisobutyryloxymethyl)methane CAS 243991-62-0
| 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
Compared with other compounds in its class, the molecular weight of 732.09 g/mol gives 243991-62-0 4f-BiB Pentaerythritol tetrakis(2-bromoisobutyrate) Tetrafunctional initiator Tetrakis(2-bromoisobutyryloxymethyl)methane distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 243991-62-0 4f-BiB Pentaerythritol tetrakis(2-bromoisobutyrate) Tetrafunctional initiator Tetrakis(2-bromoisobutyryloxymethyl)methane (CAS 243991-62-0), a certified reference material (molecular formula C21H32Br4O8, MW 732.09 g/mol) for analytical method development and quality control.
Structurally, 243991-62-0 4f-BiB Pentaerythritol tetrakis(2-bromoisobutyrate) Tetrafunctional initiator Tetrakis(2-bromoisobutyryloxymethyl)methane (C21H32Br4O8) contains a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 732.09 g/mol, it falls into the high-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 243991-62-0 4f-BiB Pentaerythritol tetrakis(2-bromoisobutyrate) Tetrafunctional initiator Tetrakis(2-bromoisobutyryloxymethyl)methane under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
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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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 18665070610 / Nicole.chen@cato-chem.com