7-Methoxy-2h-chromene-3-carbaldehyde CAS 57543-39-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 57543-39-2 |
| Molecular Formula | C11H10O3 |
| Molecular Weight | 190.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
7-Methoxy-2h-chromene-3-carbaldehyde (CAS 57543-39-2) 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.) | 1973 |
Related Methoxy Standards
- 5-Methoxy-7-methyl-1H-indazole-3-carbaldehyde (CAS 1000340-55-5)
- 1-(4-Methoxy-1H-pyrrolo[2,3-b]pyridin-3-yl)ethanone (CAS 1011711-59-3)
- 6-Methoxy-3-methyl-benzofuran-2-carbaldehyde (CAS 10410-28-3)
- 4-Methoxy-1H,1'H-[2,2'-bipyrrole]-5-carbaldehyde (CAS 10476-41-2)
- 7-Methoxy-2-methylquinazolin-4(3H)-one (CAS 105493-90-1)
- 6-Methoxy-3-methylquinoxalin-2(1H)-one (CAS 108833-49-4)
- 2-Methoxy-N-(prop-2-yn-1-yl)nicotinamide (CAS 1090881-56-3)
- 4-Methoxy-6-methyl-2-(1H-pyrazol-1-yl)pyrimidine (CAS 114833-96-4)
Recommended Standards
- 7-Methoxy-1-methyl-1H-indazole-5-carbaldehyde (CAS 831222-99-2)
- 7-Methoxy-2-methyl-4H-chromen-4-one (CAS 26213-82-1)
- 7-Hydroxy-4,8-dimethyl-2H-chromen-2-one (CAS 4115-76-8)
- Butyl 6-chloro-2-(4-methoxyphenyl)quinoline-4-carboxylate (CAS 355421-19-1)
- rel-(1S,2R,4R)-4-(7-Amino-3H-[1,2,3]triazolo[4,5-d]pyrimidin-3-yl)-2-(hydroxymethyl)cyclopentanol (CAS 50767-27-6)
- 4-Formylpyrazole (CAS 35344-95-7)
- 1-Bromopent-1-yne (CAS 14752-60-4)
- 2,5-Dibromo-4-chloropyridine (CAS 1033203-47-2)
- 8-Benzyl 3-(tert-butyl) (1R,2R,5S)-2-formyl-3,8-diazabicyclo[3.2.1]octane-3,8-dicarboxylate (CAS 2376850-65-4)
- Peptide Fmoc-Thi-Thi-OH (CAS CATO-CPTD788552)
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