(porphyrin-5,15-diylbis(4,1-phenylene))diboronicacid CAS 290356-48-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 290356-48-8 |
| Molecular Formula | C32H24B2N4O4 |
| Molecular Weight | 550.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(porphyrin-5,15-diylbis(4,1-phenylene))diboronicacid (CAS 290356-48-8) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C32H24B2N4O4. Molecular weight: 550.18 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C32H24B2N4O4 |
| Molecular Weight | 550.18 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 23.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 4 |
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Recommended Standards
- Chlorohydro[2-[[[3-[methyl[3-(4-morpholinyl-κN4)propyl]amino-κN]propyl]thio-κS]methyl]phenyl-κC]iridium(III) (CAS 1839552-43-0)
- 2-[(4-Chlorophenyl)sulfanyl]-N'-[(1E)-[2-(dodecylsulfanyl)-5-nitrophenyl]methylidene]acetohydrazide (CAS 331461-67-7)
- 3,4-Dichlorophenyl-4'-nitrophenyl ether (CAS 22532-80-5)
- 3-(2-Chlorophenyl)-7-hydroxy-4H-chromen-4-one (CAS 328020-06-0)
- (1R,2R,4S)-tert-Butyl 2-hydroxy-7-azabicyclo[2.2.1]heptane-7-carboxylate (CAS 152614-12-5)
- 4-(Bromomethyl)-2-fluoro-3,4'-bipyridine (CAS 1227604-99-0)
- Methyl 4-chloro-2-(trifluoromethyl)pyrimidine-5-carboxylate (CAS 1393576-33-4)
- Brivaracetam impurity 111 (CAS CATO-C4X-2007111)
- N-[4-(chloromethyl)phenyl]methanesulfonamide (CAS 1152540-47-0)
- Tyr-Proinsulin C-Peptide (55-89) (human) (CAS 139532-11-9)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com