5,5'-(1,4-Phenylenebis(ethyne-2,1-diyl))bis(3-(tert-butyl)-2-hydroxybenzaldehyde) CAS 705930-82-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 705930-82-1 |
| Molecular Formula | C32H30O4 |
| Molecular Weight | 478.58 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5,5'-(1,4-Phenylenebis(ethyne-2,1-diyl))bis(3-(tert-butyl)-2-hydroxybenzaldehyde) (CAS 705930-82-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C32H30O4. Molecular weight: 478.58 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C32H30O4 |
| Molecular Weight | 478.58 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, 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) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
Related Phenylenebis Standards
- 5,5'-(1,2-Phenylenebis(ethyne-2,1-diyl))bis(3-(tert-butyl)-2-hydroxybenzaldehyde) (CAS 955949-60-7)
- 5,5'-(1,3-Phenylenebis(ethyne-2,1-diyl))bis(3-(tert-butyl)-2-hydroxybenzaldehyde) (CAS 943407-01-0)
- 2,2'-((1,2-Phenylenebis(azanylylidene))bis(methanylylidene))bis(4-bromophenol) (CAS 29979-27-9)
- 1,4-Phenylenebis(1,4-bipiperidin-1-ylmethanone) (CAS 1418741-86-2)
- 5,5'-(1,3-Phenylenebis(methylene))bis(oxy)diisophthalic acid (CAS 147566-76-5)
- 2,2'-((((1,4-Phenylenebis(methylene))bis(azanediyl))bis(4,1-phenylene))bis(oxy))bis(2-methylpropanoic acid) (CAS 385437-91-2)
- 4,4′-[1,4-Phenylenebis[(4-methylphenyl)imino]]bis[benzaldehyde] (CAS 131660-39-4)
- 1,4-Phenylenebis((4-(4-aminophenoxy)phenyl)methanone) (CAS 107194-50-3)
Recommended Standards
- Cefcapene Impurity 26 (CAS CATO-C4X-182426)
- Oclacitinib Impurity 32 (CAS CATO-C4X-301832)
- 4-(((3-(4-Methoxyphenyl)-4-oxo-3,4,5,6,7,8-hexahydrobenzo[4,5]thieno[2,3-d]pyrimidin-2-yl)thio)methyl)benzoic acid (CAS 477330-71-5)
- 4,4,5,5-Tetramethyl-2-(5-nitro-2-(phenylthio)phenyl)-1,3,2-dioxaborolane (CAS 2377610-49-4)
- 4-(Trifluoromethoxy)benzaldehyde (CAS 659-28-9)
- Ciprofloxacin Impurity 38 (CAS CATO-C4X-136238)
- 2-{[3-(propan-2-yl)phenyl]amino}ethan-1-ol (CAS 730977-94-3)
- 4-Methoxyquinolin-2-ol (CAS 84906-78-5)
- 5-Cyclobutyl-1H-1,2,4-triazole-3-thiol (CAS 1097794-73-4)
- Semaglutide impurity 63 (CAS CATO-C4X-222663)
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