4,4'-((2,5-Dimethoxy-1,4-phenylene)bis(ethyne-2,1-diyl))dibenzoic acid CAS 1190438-53-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1190438-53-9 |
| Molecular Formula | C26H18O6 |
| Molecular Weight | 426.42 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4,4'-((2,5-Dimethoxy-1,4-phenylene)bis(ethyne-2,1-diyl))dibenzoic acid (CAS 1190438-53-9) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C26H18O6. Molecular weight: 426.42 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C26H18O6 |
| Molecular Weight | 426.42 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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.) | 1989 |
Related Dimethoxy Standards
- 4,4'-((2,5-Dimethoxy-1,4-phenylene)bis(ethyne-2,1-diyl))bis(2-hydroxybenzaldehyde) (CAS 791068-98-9)
- N-(4,5-Dimethoxy-2-(2-phenylacetyl)phenyl)-4-methylbenzenesulfonamide (CAS 886493-72-7)
- 2,4-Dimethoxy-1,3,5-triazine (CAS 1898-72-2)
- 2-((3-Benzyl-8,9-dimethoxy-2-oxo-2,3-dihydroimidazo[1,2-c]quinazolin-5-yl)thio)acetamide (CAS 1024708-47-1)
- 6-(9,10-Dimethoxy-5,11-dioxo-6a,11-dihydroisoindolo[2,1-a]quinazolin-6(5H)-yl)hexanoic acid (CAS 1630763-97-1)
- 6,7-Dimethoxy-2-(4-morpholino-5,6-dihydropyrido[3,4-d]pyrimidin-7(8H)-yl)quinazolin-4(3H)-one (CAS 441064-73-9)
- 1775384-87-6 2,4-Dimethoxy-N-{1-[2-methyl-6-(trifluoromethyl)pyrimidin-4-yl]piperidin-4-yl}benzamide MFCD28805951 (CAS 1775384-87-6)
- 4,5-Dimethoxy-2-(1-(2-methoxy-5-methylphenyl)-5-oxopyrrolidine-3-carboxamido)benzoic acid (CAS 1900999-60-1)
Recommended Standards
- Garenoxacin (CAS 194804-75-6)
- 4-(3-(3,4-Dimethoxyphenyl)-1,2,4-oxadiazol-5-yl)-2-phenylphthalazin-1(2H)-one (CAS 1291844-73-9)
- Yadanziolide A (CAS 95258-14-3)
- 2-(2-(3-(Trifluoromethyl)phenyl)-1h-imidazol-4-yl)ethan-1-amine dimaleate (CAS 162049-83-4)
- Insulin Pork(≥27 USP units/mg) (CAS 12584-58-6)
- Ethyl 2-(5-bromopyridin-2(1H)-ylidene)-2-cyanoacetate (CAS 103590-10-9)
- 1-(4-Bromo-2-fluorophenyl)ethan-1-amine (CAS 1034266-14-2)
- 2-(2-Methoxynaphthalen-1-yl)acetaldehyde (CAS 156941-55-8)
- 2-Amino-3-(3-butoxyphenyl)propanoic acid (CAS 98708-77-1)
- Neuropeptide Y (human, rat) trifluoroacetate salt (CAS 90880-35-6)
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