4842-48-2 [R,(-)]-1-(2,4-Dihydroxyphenyl)-2-(4-methoxyphenyl)-1-propanone CAS 4842-48-2
| CAS No. | 4842-48-2 |
| Molecular Formula | C16H16O4 |
| Molecular Weight | 272.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a flavonoid core, a hydroxyl group, an ether linkage, 4842-48-2 [R,(-)]-1-(2,4-Dihydroxyphenyl)-2-(4-methoxyphenyl)-1-propanone is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 272.30 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO supplies 4842-48-2 [R,(-)]-1-(2,4-Dihydroxyphenyl)-2-(4-methoxyphenyl)-1-propanone (CAS 4842-48-2), a certified reference material (molecular formula C16H16O4, MW 272.30 g/mol) for analytical method development and quality control.
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 | C16H16O4 |
| Molecular Weight | 272.30 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 chloroform, dichloromethane, ethyl acetate, DMSO |
| 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.) | 1958 |
Related R Standards
- (E)-1-(2,4-Dihydroxyphenyl)-3-(3,5-dihydroxyphenyl)prop-2-en-1-one (CAS 75514-30-6)
- 3-(2,6-Dihydroxyphenyl)-7-hydroxy-5-methylisobenzofuran-1(3H)-one (CAS 479350-63-5)
- 1-(2,4-Dihydroxyphenyl)-2-(4-nitrophenyl)ethan-1-one (CAS 15485-63-9)
- 4-(3,4-Dihydroxyphenyl)-1,2,3,4-tetrahydroquinoline-7,8-diol hydrobromide (CAS 119085-25-5)
- 1,2-di(2,4-dihydroxyphenyl)ethane-1,2-dione (CAS 5394-98-9)
- 1-(2,4-Dihydroxyphenyl)-2-(4-methoxyphenoxy)ethan-1-one (CAS 121361-55-5)
- 1-(2,4-Dihydroxyphenyl)-2-(2-methoxyphenoxy)ethan-1-one (CAS 137987-88-3)
- 1-(2,4-Dihydroxyphenyl)-3-(2-methoxyphenyl)prop-2-en-1-one (CAS 104236-78-4)
Recommended Standards
- Valsartan Impurity 75 (CAS 85583-54-6)
- β-Naphthoflavone (CAS 6051-87-2)
- tert-Butyl 5-cyano-3-(hydroxymethyl)-1H-indole-1-carboxylate (CAS 914349-11-4)
- 3,4-Dihydro-6,7-dihydroxy-2'-methoxyspiro[naphthalene-1 ,1'-cyclohexane]-2',5'-dien-4'-one 91147-05-6 (CAS 91147-05-6)
- N-(1-(4-ethylpiperazin-1-yl)-1-oxopropan-2-yl)-2,2,2-trifluoroacetamide (CAS 1214235-36-5)
- (E)-7-(2-(thiophen-2-yl)vinyl)-[1,2,4]triazolo[1,5-a]pyrimidin-2-amine (CAS 338793-62-7)
- 1-(Benzyloxy)hexan-3-ol (CAS 140654-19-9)
- 1-(Cyclohexyloxy)-4-ethynylbenzene (CAS 587854-10-2)
- (E)-3-(4-(dimethylamino)phenyl)-1-(p-tolyl)prop-2-en-1-one (CAS 200130-61-6)
- 2,4,6-Trimethyl-1,3,5,2,4,6-trioxatrisilinane (CAS 13269-39-1)
- 2-Chloro-6-(2,4-difluorophenyl)-3-methylpyrimidin-4(3H)-one (CAS 1447963-27-0)
- (S)-4-Benzyl 1-tert-butyl 2-ethyl piperazine-1,2,4-tricarboxylate (CAS 313706-16-0)
- 4-Hydroxy-5-methyl-1,8-naphthyridin-2(1H)-one (CAS 1209781-73-6)
- Semaglutide impurity 33 (CAS CATO-C4X-222633)
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