5,5'-(1,3-Phenylenebis(ethyne-2,1-diyl))bis(3-(tert-butyl)-2-hydroxybenzaldehyde) CAS 943407-01-0
| CAS No. | 943407-01-0 |
| Molecular Formula | C32H30O4 |
| Molecular Weight | 478.58 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The molecular framework of 5,5'-(1,3-Phenylenebis(ethyne-2,1-diyl))bis(3-(tert-butyl)-2-hydroxybenzaldehyde) (C32H30O4) is characterized by a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
5,5'-(1,3-Phenylenebis(ethyne-2,1-diyl))bis(3-(tert-butyl)-2-hydroxybenzaldehyde) (CAS 943407-01-0), molecular formula C32H30O4 and molecular weight 478.58 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 5,5'-(1,3-Phenylenebis(ethyne-2,1-diyl))bis(3-(tert-butyl)-2-hydroxybenzaldehyde) 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 | 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'-(1,2-Phenylenebis(ethyne-2,1-diyl))bis(3-(tert-butyl)-2-hydroxybenzaldehyde) (CAS 955949-60-7)
- 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)
- Cefcapene Impurity 26 (CAS CATO-C4X-182426)
- 3-Hydroxy-4-(4-methylbenzoyl)-1-(3-morpholinopropyl)-5-(4-propoxyphenyl)-1H-pyrrol-2(5H)-one (CAS 618074-62-7)
- Oclacitinib Impurity 32 (CAS CATO-C4X-301832)
- 5-Bromo-6-(ethylamino)pyrimidin-4(3H)-one (CAS 1601205-44-0)
- Dodecylbenzene Sulfonic Acid Potassium Salt (Mixture of Isomers) (CAS 27177-77-1)
- 1-(1-Pyrrolidinyl)-2-propanamine 1-(pyrrolidin-1-yl)propan-2-amine 50998-03-3 (CAS 50998-03-3)
- 5-Methyl-4-(3-methyl-1H-pyrazol-1-yl)thiazol-2-amine (CAS 1006458-60-1)
- 2-(2-Methyl-2-((2,4,6-trimethylbenzyl)thio)propyl)isoquinoline-1,3(2H,4H)-dione (CAS 338962-71-3)
- 2-(5,6,7-Trimethoxynaphthalen-1-yl)acetic acid (CAS 672917-73-6)
- 5-Borono-3-methylthiophene-2-carboxylic acid (CAS 1190830-77-3)
- 2-(5-Chlorobenzo[b]thiophen-3-yl)acetonitrile (CAS 23799-60-2)
- 2-Amino-7-fluoro-1,3-benzoxazol-6-ol (CAS 1820707-88-7)
- Semaglutide impurity 286 (CAS CATO-C4X-2226286)
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 18665070610 / Nicole.chen@cato-chem.com