1,1'-(1,4-Phenylenebis(methylene))bis(4-carboxypyridin-1-ium) chloride CAS 2149574-29-6
| CAS No. | 2149574-29-6 |
| Molecular Formula | C20H18N2O4 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1,1'-(1,4-Phenylenebis(methylene))bis(4-carboxypyridin-1-ium) chloride (CAS 2149574-29-6), molecular formula C20H18N2O4Cl and molecular weight 385.82 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C20H18N2O4Cl, 1,1'-(1,4-Phenylenebis(methylene))bis(4-carboxypyridin-1-ium) chloride contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 385.82 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 1,1'-(1,4-Phenylenebis(methylene))bis(4-carboxypyridin-1-ium) chloride under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C20H18N2O4 2*Cl |
| Molecular Weight | 385.82 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 12.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Phenylenebis Standards
- 1,4-Phenylenebis((1H-benzo[d][1,2,3]triazol-1-yl)methanone) (CAS 101008-15-5)
- 1,2-Phenylenebis[diphenyl]phosphine iron complex (CAS 101566-80-7)
- (1,3-Phenylenebis(methylene))bis(triphenylphosphonium) bromide (CAS 10273-74-2)
- 4,4'-(1,4-Phenylenebis(diphenylmethylene))dianiline (CAS 103567-80-2)
- 2,2'-(1,2-Phenylenebis(oxy))bis(ethan-1-amine) dihydrochloride (CAS 1049767-35-2)
- 4,4'-(1,3-Phenylenebis(diazene-2,1-diyl))bis(benzene-1,3-diamine) (CAS 1052-38-6)
- 1,4-Phenylenebis((4-(4-aminophenoxy)phenyl)methanone) (CAS 107194-50-3)
- 1,3-Phenylenebis((4-fluorophenyl)methanone) (CAS 108464-88-6)
Recommended Standards
- 3-Cyclooctyl-1h-pyrazol-5-amine (CAS 1795287-36-3)
- 2-(Difluoromethyl)-3-fluoro-6-hydroxypyridine-5-carboxylic acid (CAS 1806966-80-2)
- 2-[(2S)-4-ethylsulfonylpiperazin-2-yl]acetonitrile (CAS 2306248-64-4)
- Anthrose (CAS 769959-88-8)
- Biphenyl-3,4’-dicarboxylic acid (CAS 92152-01-7)
- 2-METHOXY-N,N-DIMETHYL-5-(2-OXOPROPYL)BENZENESULFONAMIDE (CAS 80223-78-5)
- 2-(2-Phenylethyl)morpholine (CAS 58039-64-8)
- (6-(Furan-3-yl)-2-methylpyridin-3-yl)methanol (CAS 53913-06-7)
- 2-(2-(Isoxazol-5-yl)-4-methylphenoxy)acetic Acid (CAS 293740-36-0)
- Semaglutide Impurity 148 (CAS CATO-C4X-2226148)
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