tert-Butyl-calix[4]arene tetrakis[2-(diphenylphosphoryl)ethyl ether] CAS 171979-66-1
| CAS No. | 171979-66-1 |
| Molecular Formula | C100H108O8P4 |
| Molecular Weight | 1561.82 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
tert-Butyl-calix[4]arene tetrakis[2-(diphenylphosphoryl)ethyl ether] (CAS 171979-66-1), molecular formula C100H108O8P4 and molecular weight 1561.82 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C100H108O8P4, tert-Butyl-calix[4]arene tetrakis[2-(diphenylphosphoryl)ethyl ether] contains a phosphate ester group, a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 1561.82 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).
As a certified reference material (CRM), tert-Butyl-calix[4]arene tetrakis[2-(diphenylphosphoryl)ethyl ether] meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C100H108O8P4 |
| Molecular Weight | 1561.82 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 47.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2006 |
Recommended Standards
- K-F-H-E-K-H-H-S-H-R-G-Y (CAS 127637-03-0)
- 1,1,2,2-Tetrakis(3'-([2,2':6',2''-terpyridin]-4'-yl)-[1,1'-biphenyl]-3-yl)ethene (CAS 2467796-31-1)
- 126985-51-1 MM 47761 Vancomycin, 22-O-(3-amino-2,3,6-trideoxy-3-C-methyl-alpha-D-arabino-hexopyranosyl)-2'-O-de(3-amino-2,3,6-trideoxy-3-C-methyl-alpha-L-lyxo-hexopyranosyl)-19-dechloro-2'-O-(6-deoxy-alpha-D-talopyranosyl)- MM-47761 (CAS 126985-51-1)
- 1,1,2,2-Tetrakis(3'-([2,2':6',2''-terpyridin]-4'-yl)-[1,1'-biphenyl]-4-yl)ethene (CAS 2467796-31-0)
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Why CATO?
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