(buta-1,3-diyne-1,4-diylbis(4,1-phenylene))diboronicacid CAS 1223038-68-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1223038-68-3 |
| Molecular Formula | C16H12B2O4 |
| Molecular Weight | 289.89 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order (buta-1,3-diyne-1,4-diylbis(4,1-phenylene))diboronicacid (CAS 1223038-68-3) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C16H12B2O4. Molecular weight: 289.89 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C16H12B2O4 |
| Molecular Weight | 289.89 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
Related buta Standards
- 4,4'-(Buta-1,3-diyne-1,4-diyl)bis(2-hydroxybenzaldehyde) (CAS 791068-97-8)
- 4,4'-(Buta-1,3-diyne-1,4-diyl)dibenzaldehyde (CAS 127653-16-1)
- 4,4'-(Buta-1,3-diyne-1,4-diyl)bis(2-hydroxybenzoic acid) (CAS 1579939-89-1)
- 4,4'-(Buta-1,3-diyne-1,4-diyl)dibenzonitrile (CAS 103140-39-2)
- 1,1'-(Buta-1,3-diyne-1,4-diyl)bis(cyclohexan-1-ol) (CAS 5768-10-5)
- N-buta-2,3-dienyl-2-(2,6-dioxo-3-piperidyl)-1-oxo-isoindoline-5-carboxamide (CAS 2470254-08-9)
- 2,2'-(Buta-1,3-diyne-1,4-diyl)dianiline (CAS 31661-58-2)
- 3,3'-(Buta-1,3-diyne-1,4-diyl)dianiline (CAS 31661-59-3)
Recommended Standards
- 4,6-Dichloro-5-iodopyrimidin-2-amine (CAS 1208108-99-9)
- 2,5-Dichloro-6-iodopyridin-3-ol (CAS 1261365-62-1)
- Pyrene-2,7-diyldiboronic acid (CAS 1099731-44-8)
- 2-Bromo-N-[3-(trifluoromethyl)phenyl]acetamide (CAS 25625-57-4)
- 2-(Benzylthio)-1-(2,4-dichloro-5-(2-methoxyethoxy)phenyl)-1H-imidazole (CAS 338967-20-7)
- 1,3-Bis(2,4,6-trimethylphenoxy)propan-2-ol (CAS 2034155-53-6)
- 2-Bromo-3-chloro-5-(trifluoromethoxy)aniline (CAS 1807123-57-4)
- 4-(Difluoromethoxy)cyclohexan-1-amine (CAS 1565585-65-0)
- Benzyl 4-formylbicyclo[2.2.2]octane-1-carboxylate (CAS 340023-13-4)
- Semaglutide Impurity 2 (CAS CATO-C4X-22262)
Why CATO?
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