3-(2,4-Dimethoxyphenyl)-7-methoxy-4-methyl-2H-chromen-2-one CAS 554430-78-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 554430-78-3 |
| Molecular Formula | C19H18O5 |
| Molecular Weight | 326.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 3-(2,4-Dimethoxyphenyl)-7-methoxy-4-methyl-2H-chromen-2-one (CAS 554430-78-3), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C19H18O5. Molecular weight: 326.34 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C19H18O5 |
| Molecular Weight | 326.34 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
Related Dimethoxyphenyl Standards
- N4-(2,4-Dimethoxyphenyl)-N2-(2-methoxyethyl)-L-asparagine (CAS 1047992-56-2)
- 2-(3,4-Dimethoxyphenyl)-6-ethyl-3-hydroxychromen-4-one (CAS 1365271-38-0)
- 3-(3’,4’-Dimethoxyphenyl)-6-methoxy-4-methylcoumarin (CAS 720674-34-0)
- 3-(3’,4’-Dimethoxyphenyl)-7-methoxy-4-methylcoumarin (CAS 720674-23-7)
- 5-(2,5-Dimethoxyphenyl)-2-methyl-2H-1,2,6-thiadiazine-3-carboxylic acid 1,1-dioxide (CAS 899540-36-4)
- 3-[1-(2,3-dimethoxyphenyl)-2-nitroethyl]-1h-indole (CAS 33723-32-9)
- N-(3,4-Dimethoxyphenyl)-6-nitroquinazolin-4-amine (CAS 1120331-48-7)
- N-(2,4-dimethoxyphenyl)-6-nitroquinazolin-4-amine (CAS 882084-07-3)
Recommended Standards
- 2-Naphthoic anhydride (CAS 20176-11-8)
- 2-Amino-N-(3-(trifluoromethyl)phenyl)-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxamide (CAS 669740-00-5)
- 2-[(3-Phenoxyphenyl)methylene]-1H-indene-1,3(2H)-dione (CAS 400833-57-0)
- 4-Chloro-2-(cyanomethyl)-5-(difluoromethyl)nicotinonitrile (CAS 1805388-86-6)
- (S)-tert-Butyl ((1-(2-aminoethyl)pyrrolidin-2-yl)methyl)carbamate (CAS 1354011-26-9)
- (R)-3-(3,5-Difluorophenyl)-3-(1-(methylsulfonyl)piperidin-4-yl)propanal (CAS 718610-25-4)
- 5-Bromo-2-(difluoromethoxy)benzohydrazide (CAS 1403565-82-1)
- (R)-(-)-1,4-Dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridinedicarboxylic Acid Monomethyl Ester (CAS 76093-33-9)
- N-(Benzo[c][1,2,5]thiadiazol-4-yl)-1-methyl-1H-1,2,3-triazole-4-carboxamide (CAS 1207017-71-7)
- Anti-TF Antigen Peptide P30-1 trifluoroacetate salt (CAS 573664-50-3)
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