1-(2,4-Dihydroxyphenyl)-2-(2,4-dimethoxyphenyl)ethan-1-one CAS 1855-30-7
| CAS No. | 1855-30-7 |
| Molecular Formula | C16H16O5 |
| Molecular Weight | 288.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 1-(2,4-Dihydroxyphenyl)-2-(2,4-dimethoxyphenyl)ethan-1-one 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.
1-(2,4-Dihydroxyphenyl)-2-(2,4-dimethoxyphenyl)ethan-1-one (CAS 1855-30-7), molecular formula C16H16O5 and molecular weight 288.30 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a flavonoid core, a hydroxyl group, an ether linkage, 1-(2,4-Dihydroxyphenyl)-2-(2,4-dimethoxyphenyl)ethan-1-one is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 288.30 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C16H16O5 |
| Molecular Weight | 288.30 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Related Dihydroxyphenyl Standards
- 6-(3,4-Dihydroxyphenyl)-2,3,3-trimethyl-2,3-dihydro-4H-furo[3,2-c]pyran-4-one (CAS 159650-12-1)
- 1-(2,4-Dihydroxyphenyl)-2-(3,4-dimethoxyphenyl)-ethanone (CAS 24126-98-5)
- 2-(2-(2,4-Dihydroxyphenyl)-2-oxoethoxy)benzoic acid (CAS 1505-01-7)
- (S)-2-(2,6-dihydroxyphenyl)-5,7-dihydroxychroman-4-one (CAS 80604-16-6)
- 3-(3,4-Dihydroxyphenyl)-1-(2,3,4-trihydroxyphenyl)prop-2-en-1-one (CAS 38081-56-0)
- 2-(3,4-Dihydroxyphenyl)chroman-3,5,7-triol (CAS 13392-26-2)
- (2,3-Dihydroxyphenyl)(2-hydroxy-4,6-dimethoxyphenyl)methanone (CAS 219861-73-1)
- 1-(2,4-Dihydroxyphenyl)-2-(2,3,6-trimethylphenoxy)ethan-1-one (CAS 781655-73-0)
Recommended Standards
- 1,14-Diazido-3,6,9,12-tetraoxatetradecane (CAS 182760-73-2)
- Ethyl 3-formyl-6-methyl-2-oxo-4-phenyl-1,2,3,4-tetrahydropyrimidine-5-carboxylate (CAS 193623-12-0)
- 3,4-Diphenyl-2H-pyrazolo[3,4-d]pyridazin-7(6H)-one (CAS 181259-34-7)
- 6-(1H-Indol-3-yl)-3-phenyl-1,2,4-triazin-5(2H)-one (CAS 193764-35-1)
- 8-Chloro-5-methoxy-1,2,3,4-tetrahydroquinoline (CAS 1251235-58-1)
- 2,5-Dibromo-3-fluorocinnamic acid (CAS 1807413-39-3)
- (2E,4E)-dodeca-2,4-dien-1-ol (CAS 18485-38-6)
- 4,6-Difluorobenzo[d]thiazol-2(3H)-one, 97% (CAS 1188052-43-8)
- (E)-imidazo[1,2-a]pyridine-3-carbaldehyde oxime (CAS 30493-08-4)
- Medrysone (CAS 2668-66-8)
- 6,6a-Dihydro-1aH-indeno[1,2-b]oxirene (CAS 768-22-9)
- 3-Methyl-7-propylxanthine (CAS 55242-64-3)
- 1-(Pyridin-2-yl)cyclobutan-1-amine dihydrochloride (CAS 1228879-44-4)
- D-Pro31-Tirzepatide (CAS CATO-CPTD788905)
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