4,4'-(Buta-1,3-diyne-1,4-diyl)bis(2-hydroxybenzaldehyde) CAS 791068-97-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 791068-97-8 |
| Molecular Formula | C18H10O4 |
| Molecular Weight | 290.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4,4'-(Buta-1,3-diyne-1,4-diyl)bis(2-hydroxybenzaldehyde) (CAS 791068-97-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C18H10O4. Molecular weight: 290.27 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C18H10O4 |
| Molecular Weight | 290.27 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
Related Buta Standards
- (buta-1,3-diyne-1,4-diylbis(4,1-phenylene))diboronicacid (CAS 1223038-68-3)
- 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
- 4,4'-[1,4-Butanediylbis(oxymethylene)]bis[1,3-dioxolan-2-one (CAS 25844-34-2)
- 4-{[(2,2-dimethyl-4,6-dioxo-1,3-dioxan-5-ylidene)methyl]amino}benzamide (CAS 909344-67-8)
- 4-(3-(2-Ethoxy-2-oxoethyl)-5-oxo-2,5-dihydro-1h-pyrazol-1-yl)benzoic acid (CAS 852851-71-9)
- 5-[(3,4,5-Trimethyl-1H-pyrazol-1-yl)methyl]-2-furoic acid (CAS 1171462-90-0)
- N-Benzhydryl-4-(pyrazolo[1,5-a]pyridine-3-carbonyl)piperazine-1-carboxamide (CAS 1396681-02-9)
- N4-Acetyl-2-O-(t-butyldimethylsilyl)-5-O-(4,4-dimethoxytrityl)cytidine (CAS 121058-85-3)
- 3,3',3'',3'''-(((1,2-Phenylenebis(oxy))bis(ethane-2,1-diyl))bis(azanetriyl))tetrakis(1-((9H-carbazol-4-yl)oxy)propan-2-ol) (CAS 1391052-20-2)
- N-(3-cyano-4-((4-methoxyphenyl)sulfinyl)phenyl)-2,6-difluorobenzamide (CAS 477709-93-6)
- 2-(Quinolin-6-yl)acetimidamide (CAS 775278-49-4)
- Tirzepatide Impurity 18 (CAS CATO-C4X-324018)
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