1-(3,4-Dimethoxyphenyl)-3-methylbutan-2-one CAS 134669-78-6
| CAS No. | 134669-78-6 |
| Molecular Formula | C13H18O3 |
| Molecular Weight | 222.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-(3,4-Dimethoxyphenyl)-3-methylbutan-2-one (CAS 134669-78-6), molecular formula C13H18O3 and molecular weight 222.28 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 1-(3,4-Dimethoxyphenyl)-3-methylbutan-2-one (C13H18O3) contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 222.28 g/mol, it falls into the medium-molecular-weight range. 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).
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.
As a certified reference material (CRM), 1-(3,4-Dimethoxyphenyl)-3-methylbutan-2-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.
Physical & Chemical Properties
| Molecular Formula | C13H18O3 |
| Molecular Weight | 222.28 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
Related Dimethoxyphenyl Standards
- 1-(2,5-dimethoxyphenyl)-piperazine (CAS 1019-06-3)
- 1-(3,5-Dimethoxyphenyl)pyrrolidin-3-amine (CAS 1096807-11-2)
- (R)-2-(2,3-Dimethoxyphenyl)piperazine (CAS 1212890-13-5)
- (R)-2-(2,5-Dimethoxyphenyl)piperazine (CAS 1212929-05-9)
- (R)-2-(3,4-Dimethoxyphenyl)piperazine (CAS 1213383-80-2)
- (R)-2-(2,4-Dimethoxyphenyl)piperazine (CAS 1213466-20-6)
- (S)-2-(2,3-Dimethoxyphenyl)piperazine (CAS 1213560-79-2)
- 1-(2,5-Dimethoxyphenyl)-3-methylbutan-1-one (CAS 124557-51-3)
Recommended Standards
- (5-Methyl-2-((tetrahydrofuran-3-yl)methoxy)phenyl)methanol (CAS 1344255-35-1)
- N1-((2,3-Dihydrobenzo[b][1,4]dioxin-5-yl)methyl)-N1-methylethane-1,2-diamine (CAS 1353959-17-7)
- 2-(Sec-butyl)-4-propylpyrimidine-5-carboxylic acid (CAS 1343679-27-5)
- 2-(Isopropyl(1-(pyridin-2-yl)ethyl)amino)acetic acid (CAS 1353959-49-5)
- N,3,5-Trimethyl-N-(3-nitrophenyl)benzamide (CAS 338757-45-2)
- 3,4-Dihydro-2H-benzo[4,5]imidazo[2,1-b][1,3]thiazin-3-ol (CAS 34035-42-2)
- SC-26196 (CAS 218136-59-5)
- 2-Aminopyrido[2,3-d]pyrimidin-4(1H)-one (CAS 7255-87-0)
- (<I>R,R</I>)-(-)-<I>N,N′</I>-bis(3,5-di-tert-butylsalicylidene)-1,2- Cyclohexanediamine (CAS 135616-40-9)
- Mifepristone Impurity 13 (CAS 84371-57-3)
- N,N''-((Pentane-1,5-diylbis(oxy))bis(4,1-phenylene))dibenzimidamide dihydrochloride (CAS 1199627-07-0)
- 4-((3-Bromothiophen-2-yl)methyl)thiomorpholine-3,5-dione (CAS 1875850-14-8)
- 4-Hydroxy-6-methyl-2-oxo-1,2-dihydropyridine-3-carbaldehyde (CAS 66620-83-5)
- Semaglutide Impurity 139 (CAS CATO-C4X-2226139)
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