MK-2048 CAS 869901-69-9
| CAS No. | 869901-69-9 |
| Molecular Formula | C21H21ClFN5O4 |
| Molecular Weight | 461.87 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C21H21ClFN5O4, MK-2048 contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 461.87 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
MK-2048 (CAS 869901-69-9), molecular formula C21H21ClFN5O4 and molecular weight 461.87 g/mol, is a CATO reference standard with documented purity and traceability.
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), MK-2048 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 | C21H21ClFN5O4 |
| Molecular Weight | 461.87 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 5 |
Recommended Standards
- Chlorotricarbonyl(2,2'-bipyridine)rhenium(I) (CAS 55658-96-3)
- N-(3-Chloro-4-fluorophenyl)-7-(3-morpholinopropoxy)-6-nitroquinazolin-4-amine (CAS 267243-64-1)
- 4-(4-(2-((2-Chloro-4-(trifluoromethyl)phenyl)amino)ethyl)-5-methyl-4H-1,2,4-triazol-3-yl)-1-phenyl-1H-pyrazol-5-amine (CAS 957040-55-0)
- Clindamycin Impurity 82 (CAS CATO-C4X-134182)
- 5-((2-Chloro-4-fluorophenoxy)methyl)-4-ethyl-4H-1,2,4-triazole-3-thiol (CAS 667414-15-5)
- Dimethyl (2-methyl-5-oxotetrahydrofuran-2-yl)phosphonate (CAS 91675-26-2)
- 3-((3,4-Dihydro-2H-pyrrol-5-yl)amino)propanoic acid (CAS 5249-19-4)
- 3-(tert-Butoxy)-5-(dimethylamino)phenol (CAS 1243473-06-4)
- 2-Isopropyl-6-methoxypyrimidin-4(1H)-one (CAS 38249-39-7)
- 2,6-Difluorophenylsulphur pentafluoride (CAS 864230-03-5)
- 3-(4-Morpholinobutoxy)benzaldehyde (CAS 700856-08-2)
- (2-((3-Methylcyclopentyl)amino)phenyl)methanol (CAS 1343599-27-8)
- 1-(5-Hydroxy-1-(4-methoxybenzyl)-1H-pyrazol-4-yl)ethanone (CAS 821016-28-8)
- Tirzepatide Impurity 11 TFA salt (CAS CATO-C4X-324011)
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