5,5'-(1,2-Phenylenebis(ethyne-2,1-diyl))bis(3-(tert-butyl)-2-hydroxybenzaldehyde) CAS 955949-60-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 955949-60-7 |
| Molecular Formula | C32H30O4 |
| Molecular Weight | 478.58 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5,5'-(1,2-Phenylenebis(ethyne-2,1-diyl))bis(3-(tert-butyl)-2-hydroxybenzaldehyde) (CAS 955949-60-7) 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.) | 1987 |
Related Phenylenebis Standards
- 5,5'-(1,3-Phenylenebis(ethyne-2,1-diyl))bis(3-(tert-butyl)-2-hydroxybenzaldehyde) (CAS 943407-01-0)
- 5,5'-(1,4-Phenylenebis(ethyne-2,1-diyl))bis(3-(tert-butyl)-2-hydroxybenzaldehyde) (CAS 705930-82-1)
- 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
- 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)
- 3-Hydroxy-4-(4-methylbenzoyl)-1-(3-morpholinopropyl)-5-(4-propoxyphenyl)-1H-pyrrol-2(5H)-one (CAS 618074-62-7)
- 1,4-Di(1-pyrenyl)benzene (CAS 475460-77-6)
- Fmoc-Thr(GalNAc(Ac)3-α-D)-OH (CAS 116783-35-8)
- Eliglustat Impurity 7 (CAS 491833-28-4)
- 55246-79-2 A830555 N-(4-methoxyphenyl)-N-methyl-carbamothioyl chloride N-(4-methoxyphenyl)-N-methylcarbamothioyl chloride (CAS 55246-79-2)
- (R)-(1-Benzyl-4,4-difluoropiperidin-3-yl)methanol (CAS 2378854-77-2)
- 2-Bromo-6-(trifluoromethyl)pyridine-4-acetonitrile (CAS 1227595-73-4)
- 2-Bromo-3-cyanobenzoic acid (CAS 1261473-60-2)
- Semaglutide impurity 61 (CAS CATO-C4X-222661)
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