1,3-Bis(6-methoxypyridin-3-yl)urea CAS 74763-58-9
| CAS No. | 74763-58-9 |
| Molecular Formula | C13H14N4O3 |
| Molecular Weight | 274.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C13H14N4O3, 1,3-Bis(6-methoxypyridin-3-yl)urea contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 274.28 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
1,3-Bis(6-methoxypyridin-3-yl)urea (CAS 74763-58-9), molecular formula C13H14N4O3 and molecular weight 274.28 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), 1,3-Bis(6-methoxypyridin-3-yl)urea 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 | C13H14N4O3 |
| Molecular Weight | 274.28 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 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1978 |
| Nitrogen Atoms | 4 |
Related Bis Standards
- 1,3-Bis(2-methoxypyridin-3-yl)urea (CAS 1373223-65-4)
- (2-((6-Methoxypyridin-3-yl)dimethylsilyl)phenyl)methanol (CAS 1217863-20-1)
- 4-(2-Methoxypyridin-3-yl)-6-methylbenzo[d]thiazol-2-amine (CAS 1309244-62-9)
- 1-(6-Methoxypyridin-3-yl)-2,6-dimethyl-4,5,6,7-tetrahydro-1H-indol-4-one (CAS 1024480-51-0)
- 5-(((6-Methoxypyridin-3-yl)amino)methylene)-2,2-dimethyl-1,3-dioxane-4,6-dione (CAS 25063-69-8)
- N-(6-Methoxypyridin-3-yl)-2-methylbenzenesulfonamide (CAS 680591-13-3)
- N-(5-Methoxypyridin-2-yl)-N,2-dimethylquinazolin-4-amine (CAS 827031-76-5)
- N-(6-Methoxypyridin-3-yl)-N,2-dimethylquinazolin-4-amine (CAS 827031-32-3)
Recommended Standards
- 1,1,1-Trifluoro-3-(4-phenylpiperazin-1-yl)propan-2-ol (CAS 672952-04-4)
- 2-((1-Methylpiperidin-4-yl)oxy)-5-(trifluoromethyl)aniline (CAS 494777-68-3)
- 1-(P-Nitrophenyl)-3-(1-pyrrolidino)-5-pyrazolone (CAS 30818-17-8)
- 2-(1-Methyl-2,4-dioxo-5-propoxy-1,4-dihydropyrido[2,3-d]pyrimidin-3(2H)-yl)acetonitrile (CAS 921498-34-2)
- 1-(2-hydroxy-3,4-dimethylphenyl)ethan-1-one (CAS 5384-55-4)
- Carbamothioyl cyanide (CAS 471-24-9)
- 6,7-Dichloro-2,3-dihydrophthalazine-1,4-dione (CAS 3682-31-3)
- 3-(4,4-Difluoropiperidin-1-yl)propan-1-amine (CAS 869493-53-8)
- 6-Bromo-1-methyl-1H-indazole-3-carbaldehyde (CAS 1781630-54-3)
- 1-Chloro-3-methylimidazo[1,5-a]pyrazine (CAS 56481-30-2)
- (2,2-Bis((allyloxy)methyl)butoxy)trimethylsilane (CAS 211923-87-4)
- 2-tert-Butyl 3-ethyl 2-azabicyclo[2.2.1]heptane-2,3-dicarboxylate (CAS 343616-42-2)
- 2-(1-Iminoethoxy)ethanesulfonic acid hydrochloride (CAS 94732-92-0)
- C-telopeptide (CAS 162929-64-8)
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