4-Ethynyl-2,5-dimethoxybenzaldehyde CAS 1208264-50-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1208264-50-9 |
| Molecular Formula | C11H10O3 |
| Molecular Weight | 190.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Ethynyl-2,5-dimethoxybenzaldehyde (CAS 1208264-50-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H10O3. Molecular weight: 190.20 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C11H10O3 |
| Molecular Weight | 190.20 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
Related Ethynyl Standards
- Methyl 5-ethynyl-2-methoxybenzoate (CAS 1202818-90-3)
- 2-Ethynyl-4,5-dimethoxybenzaldehyde (CAS 856010-73-6)
- 2-Ethynyl-9H-fluorene (CAS 57700-19-3)
- 4-Ethynyl-1-((tetrahydro-2H-pyran-4-yl)methyl)-1H-pyrazole (CAS 2098072-57-0)
- 4-Ethynyl-1-isopropoxy-2-methoxybenzene (CAS 218903-25-4)
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- 5-Ethynyl-1,3-benzenedicarboxylic acid (CAS 432025-97-3)
- 5-Ethynyl-2-nitrobenzoic acid (CAS 1260828-32-7)
Recommended Standards
- 1-(3,5-Dimethoxyphenyl)prop-2-yn-1-one (CAS 1207535-09-8)
- Methyl 3-(3-hydroxyprop-1-yn-1-yl)benzoate (CAS 121114-45-2)
- 4-Acetyl-3,4-dihydro-1H-quinoxalin-2-one (CAS 120589-86-8)
- 5-(2,3-Dihydro-1,4-benzodioxin-6-yl)-1-ethyl-1h-imidazole-2-thiol (CAS 852388-84-2)
- 5-(Isoxazol-3-yl)-1,2,4-oxadiazole-3-carboxylic acid (CAS 1343426-68-5)
- Methyl 3-(diphenylamino)propanoate (CAS 52850-21-2)
- Tetrabenazine Related Impurity 8 (2R, 3R, 11bS) (CAS 862377-29-5)
- 4,8-Dichloro-2-(trifluoromethyl)benzofuro[3,2-d]pyrimidine (CAS 887281-53-0)
- Propyl 2-amino-4-(3,4-dichlorophenyl)thiophene-3-carboxylate (CAS 351156-80-4)
- Semaglutide impurity 39 (CAS CATO-C4X-222639)
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