4,4'-((2,2-Bis((pyridin-4-yloxy)methyl)propane-1,3-diyl)bis(oxy))dipyridine CAS 163629-49-0
| CAS No. | 163629-49-0 |
| Molecular Formula | C25H24N4O4 |
| Molecular Weight | 444.48 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
CATO supplies 4,4'-((2,2-Bis((pyridin-4-yloxy)methyl)propane-1,3-diyl)bis(oxy))dipyridine (CAS 163629-49-0), a certified reference material (molecular formula C25H24N4O4, MW 444.48 g/mol) for analytical method development and quality control.
Structurally, 4,4'-((2,2-Bis((pyridin-4-yloxy)methyl)propane-1,3-diyl)bis(oxy))dipyridine (C25H24N4O4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 16.0, corresponding to approximately 16 ring(s) or double-bond equivalent(s). With a molecular weight of 444.48 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
Physical & Chemical Properties
| Molecular Formula | C25H24N4O4 |
| Molecular Weight | 444.48 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) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2003 |
| Nitrogen Atoms | 4 |
Related Bis Standards
- 3,3'-((2,2-Bis((pyridin-3-yloxy)methyl)propane-1,3-diyl)bis(oxy))dipyridine (CAS 260353-00-2)
- 1-(3,5-Di(pyridin-2-yl)-4H-1,2,4-triazol-4-yl)-3-(4-(trifluoromethoxy)phenyl)urea (CAS 320418-37-9)
- 1,3,5-Tris((pyridin-4-ylthio)methyl)benzene (CAS 862014-52-6)
- 2,7-Bis(pyridin-3-ylmethyl)benzo[lmn][3,8]phenanthroline-1,3,6,8(2H,7H)-tetraone (CAS 34151-50-3)
- 2,7-Bis(pyridin-4-ylmethyl)benzo[lmn][3,8]phenanthroline-1,3,6,8(2H,7H)-tetraone (CAS 34151-51-4)
- 3,3'-Di(pyridin-2-yl)-[1,1'-binaphthalene]-2,2'-diol (CAS 862856-02-8)
- 2,5-Bis(3-(pyridin-4-yl)phenyl)thiazolo[5,4-d]thiazole (CAS 2615910-37-5)
- 2,5-Bis(4-(pyridin-4-yl)phenyl)thiazolo[5,4-d]thiazole (CAS 2230607-18-6)
Recommended Standards
- Azilsartan Impurity 2 (CAS 147403-65-4)
- Fmoc-phenylalanyl-glycine (CAS 169624-67-3)
- Banoxantrone (CAS 136470-65-0)
- N,N-Dibenzyloxycarbonyl Serotonin (CAS 1797983-46-0)
- 4-Fluorospiro[indoline-3,3'-pyrrolidin]-2-one (CAS 2386363-40-0)
- Theobromine-d6 (CAS 117490-40-1)
- 7-Fluoro-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indole (CAS 1620786-94-8)
- 3-Methoxy-3'-(trifluoromethyl)-1,1'-biphenyl (CAS 352032-26-9)
- 3-Methyl-4-nitrobenzenediazoniumtetrafluoroborate (CAS 16047-24-8)
- 2-(2-Fluorophenyl)thiazole-4-carboxylic Acid (CAS 1094373-86-0)
- 3-(4-Methylpiperazin-1-yl)-1H-indazol-5-amine (CAS 1027258-20-3)
- Chlorpyriphos-methyl-d6 (CAS 2083629-84-7)
- (S)-1-(3-chloro-4-(trifluoromethyl)phenyl)-2-methylpropan-1-amine (CAS 1212907-63-5)
- 30003-72-6 insulin chain b oxidized (CAS 30003-72-6)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com