N-(Bis(4-methoxyphenyl)methyl)-6-oxo-2-(pyridazin-3-yl)-1,6-dihydropyrimidine-5-carboxamide CAS 1187990-87-9
| CAS No. | 1187990-87-9 |
| Molecular Formula | C24H21N5O4 |
| Molecular Weight | 443.45 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, N-(Bis(4-methoxyphenyl)methyl)-6-oxo-2-(pyridazin-3-yl)-1,6-dihydropyrimidine-5-carboxamide (C24H21N5O4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 17.0, corresponding to approximately 17 ring(s) or double-bond equivalent(s). With a molecular weight of 443.45 g/mol, it falls into the moderately-high-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).
N-(Bis(4-methoxyphenyl)methyl)-6-oxo-2-(pyridazin-3-yl)-1,6-dihydropyrimidine-5-carboxamide (CAS 1187990-87-9), molecular formula C24H21N5O4 and molecular weight 443.45 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), N-(Bis(4-methoxyphenyl)methyl)-6-oxo-2-(pyridazin-3-yl)-1,6-dihydropyrimidine-5-carboxamide 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 | C24H21N5O4 |
| Molecular Weight | 443.45 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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 |
| Degree of Unsaturation (DBE) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 5 |
Recommended Standards
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- 8-Benzyloxy-N2-isobutyryl-2’-deoxyguanosine (CAS 136859-75-1)
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- PTMIO, free radical (CAS 39753-69-0)
- 5,6,7,8-Tetrahydropyrido[3,4-d]pyrimidin-4(3H)-one hydrochloride (CAS 1171334-07-8)
- (R)-2-Amino-2-(1H-1,2,3,4-tetrazol-5-yl)acetic acid (CAS 847480-01-7)
- Methyl 1,4-dioxaspiro[4.4]nonane-6-carboxylate (CAS 110295-58-4)
- 3,3-Dimethyl-N-(4-((4-methylpiperidin-1-yl)sulfonyl)phenyl)butanamide (CAS 510763-41-4)
- tert-Butyl 2-fluoro-3-(trifluoromethyl)benzoate (CAS 1505194-31-9)
- 3-Chloro-4-[2-(4-morpholinyl)ethoxy]phenylaminedihydrochloride (CAS 1185295-35-5)
- 8-Methoxy-5H-pyrido[3,2-b]indole (CAS 162254-04-8)
- D-Gln24-Tirzepatide (CAS CATO-CPTD788910)
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