4-Ethynyl-1-isopropoxy-2-methoxybenzene CAS 218903-25-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 218903-25-4 |
| Molecular Formula | C12H14O2 |
| Molecular Weight | 190.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Ethynyl-1-isopropoxy-2-methoxybenzene (CAS 218903-25-4) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C12H14O2. Molecular weight: 190.24 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C12H14O2 |
| Molecular Weight | 190.24 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2019 |
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Recommended Standards
- 4-Ethyl-7-hydroxy-3-methyl-2,3-dihydro-1H-inden-1-one (CAS 203383-75-9)
- 4-Hydroxy-3-(3-methylbut-2-en-1-yl)benzaldehyde (CAS 54730-30-2)
- 4-Ethoxy-1,3-dimethyl-1H-indazole (CAS 777863-07-7)
- 5-Amino-2-chloro-N-(4-ethoxyphenyl)benzene-1-sulfonamide (CAS 325724-70-7)
- Ethyl 1-Cbz-5-oxoazepane-4-carboxylate (CAS 31696-09-0)
- 4'-Fluorospiro[cyclopropane-1,3'-indolin]-2'-one (CAS 913720-11-3)
- 2-(Pyrrolidin-1-yl)ethyl (3-(heptyloxy)phenyl)carbamate (CAS 152676-77-2)
- 5-Bromo-2-hydroxy-6-methyl-4-(trifluoromethyl)nicotinonitrile (CAS 1092352-76-5)
- Orforglipron Impurity 44 (CAS CATO-C4X-323444)
- Des-Gly29,30-Tirzepatide (CAS CATO-CPTD788944)
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