3',4'- Dimethoxy-2'- hydroxychalcone CAS 7478-65-1
| CAS No. | 7478-65-1 |
| Molecular Formula | C17H16O4 |
| Molecular Weight | 284.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 3',4'- Dimethoxy-2'- hydroxychalcone meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
3',4'- Dimethoxy-2'- hydroxychalcone (CAS 7478-65-1), molecular formula C17H16O4 and molecular weight 284.31 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C17H16O4, 3',4'- Dimethoxy-2'- hydroxychalcone contains a flavonoid core, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 284.31 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
Physical & Chemical Properties
| Molecular Formula | C17H16O4 |
| Molecular Weight | 284.31 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 chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1959 |
Related Dimethoxy Standards
- 2,4- Dimethoxy -2'- hydroxychalcone (CAS 36685-63-9)
- 5,7-Dimethoxy-2-phenylchroman-4-one (CAS 36052-66-1)
- 5,7-Dimethoxy-4-phenylchroman-2-one (CAS 854897-58-8)
- 4,5-Dimethoxy-2-[3-(trifluoromethyl)phenyl]pyrimidine (CAS 478030-29-4)
- 6,7-Dimethoxy-1-(4-nitrobenzyl)-3,4-dihydroisoquinoline (CAS 10268-39-0)
- 6,7-Dimethoxy-2-methyl-4-phenyl-1,2,3,4-tetrahydroisoquinoline (CAS 128942-65-4)
- 3,3-Dimethoxy-1-(3-(trifluoromethyl)phenyl)cyclobutane-1-carbonitrile (CAS 1478549-95-9)
- 2-Benzyl-6,7-dimethoxy-1,2,3,4-tetrahydroisoquinoline (CAS 31756-14-6)
Recommended Standards
- 3'-(Isopropoxycarbonyl)-[1,1'-biphenyl]-3-carboxylic acid (CAS 728918-79-4)
- 3-[(pyridin-3-yl)sulfamoyl]thiophene-2-carboxylic acid (CAS 944894-10-4)
- 3-(3-Ethoxy-4-hydroxyphenyl)-2-phenylprop-2-enoic acid (CAS 87751-73-3)
- 3-{[(Furan-2-ylmethyl)-amino]-methyl}-6-methoxy-1H-quinolin-2-one (CAS 462067-56-7)
- 2-(2-Bromoacetyl)-5-fluorobenzonitrile (CAS 1427363-75-4)
- 3-(3-Aminopropoxy)-N-(2-((3-((4-chloro-2-hydroxyphenyl)carbamoyl)naphthalen-2-yl)oxy)ethyl)-2-naphthamide hydrochloride (CAS 1433286-70-4)
- 2-Methylisophthalic acid (CAS 15120-47-5)
- 1-(5-(Bromomethyl)-2-nitrophenyl)ethanone (CAS 99821-59-7)
- Benzyl methyl(piperidin-2-ylmethyl)carbamate (CAS 1353955-88-0)
- 4-Isopropylcalix[4]arene (CAS 97998-55-5)
- 4-Chloro-3,5-dimethyl-1-tosyl-1H-indazole (CAS 1421252-92-7)
- Diaminoglyoxime (CAS 2580-79-2)
- Methyl 2-bromo-4-cyano-6-fluorobenzoate (CAS 1807076-87-4)
- Semaglutide impurity 94 (CAS CATO-C4X-222694)
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