3-(3’,4’-Dimethoxyphenyl)-7-methoxycoumarin CAS 127073-90-9
| CAS No. | 127073-90-9 |
| Molecular Formula | C18H16O5 |
| Molecular Weight | 312.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 3-(3’,4’-Dimethoxyphenyl)-7-methoxycoumarin (CAS 127073-90-9), a certified reference material (molecular formula C18H16O5, MW 312.32 g/mol) for analytical method development and quality control.
Structurally, 3-(3’,4’-Dimethoxyphenyl)-7-methoxycoumarin (C18H16O5) contains a flavonoid core, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 312.32 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C18H16O5 |
| Molecular Weight | 312.32 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.) | 1993 |
Related Dimethoxyphenyl Standards
- 6-(2,4-Dimethoxyphenyl)-7-methyl-[1,3]dioxolo[4,5-f]benzofuran (CAS 116310-57-7)
- (E)-4-(3-(3,4-Dimethoxyphenyl)-3-oxoprop-1-en-1-yl)benzoic acid (CAS 119568-10-4)
- 2-(3,4-Dimethoxyphenyl)-3-hydroxy-8-methyl-4H-chromen-4-one (CAS 1313738-73-6)
- (E)-4-(3-(2,4-Dimethoxyphenyl)-3-oxoprop-1-en-1-yl)benzoic acid (CAS 1638521-29-5)
- 1-(2,5-Dimethoxyphenyl)-2-methyl-1H-benzo[d]imidazole-5-carboxylic acid (CAS 442531-50-2)
- 2-(2,4-Dimethoxyphenyl)-6-methoxychroman-4-one (CAS 720675-90-1)
- 2-(3,4-Dimethoxyphenyl)-3-hydroxy-6-methyl-4H-1-benzopyran-4-one (CAS 93097-20-2)
- 3-(3,4-Dimethoxyphenyl)-1-methylquinazoline-2,4(1H,3H)-dione (CAS 531504-03-7)
Recommended Standards
- (4'-Hydroxy-3'-nitro-[1,1'-biphenyl]-2-yl)(pyrrolidin-3-yl)methanone (CAS 1262003-87-1)
- 5,8-Dihydroxy-2-(4-methoxyphenethyl)-4H-chromen-4-one (CAS 128922-70-3)
- 6-Hydroxy-5-(2-(pyrrolidine-3-carbonyl)phenyl)nicotinic acid (CAS 1261988-91-3)
- 2-Hydroxy-5-(2-(pyrrolidine-3-carbonyl)phenyl)nicotinic acid (CAS 1261957-83-8)
- 2-{4-[3-(Aminomethyl)-2-pyridinyl]-1-piperazinyl}-1-ethanol (CAS 1156919-29-7)
- 5-Chloro-2-(1,4,5,6-tetrahydropyrimidin-2-yl)aniline (CAS 917750-14-2)
- 5-Ethyl-2,2-dimethyl-1,3-dioxane-4,6-dione (CAS 17216-65-8)
- Dodecanedioic Acid 1-Methyl Ester (CAS 3903-40-0)
- 3-bromo-4-fluoro-5-methylpyridine (CAS 1211536-44-5)
- 3-((2,5-Dimethylbenzyl)thio)-5-propyl-[1,2,4]triazolo[4,3-a]pyrimidin-7(8H)-one (CAS 891124-28-0)
- [1-(6-chloropyrimidin-4-yl)pyrrolidin-2-yl]methanol (CAS 1251146-77-6)
- (inh)-172 3-[(3-trifluoromethyl)phenyl]-5-[(3-carboxyphenyl)methylene]-2-thioxo-4-thiazolidinone 307510-92-5 4-({4-oxo-2-sulfanylidene-3-[3-(trifluoromethyl)phenyl]-1,3-thiazolidin-5-ylidene}methyl)benzoic acid 5-[(4-carboxyphenyl)methylene]-2-thioxo-3-[(3-trifluoromethyl)phenyl]-4-thiazolidinone CFTR(inh)-172 CFTRinh-172 CHEBI:131686 Cystic fibrosis transmembrane conductance regulator inhibitor CFTR(inh)-172 cystic fibrosis transmembrane regulator inhibitor 172 (CAS 307510-92-5)
- 2-(Ethylthio)-6-phenylthiazolo[4,5-d]pyrimidine-5,7(4H,6H)-dione (CAS 1334494-44-8)
- Custom peptides (CAS CATO-CPTD788509)
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