5,5’-(pyridine-3,5-diyl)diisophthalic acid CAS 1433029-60-7
| CAS No. | 1433029-60-7 |
| Molecular Formula | C21H13NO8 |
| Molecular Weight | 407.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
5,5’-(pyridine-3,5-diyl)diisophthalic acid (CAS 1433029-60-7), molecular formula C21H13NO8 and molecular weight 407.33 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C21H13NO8, 5,5’-(pyridine-3,5-diyl)diisophthalic acid contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 407.33 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).
As a certified reference material (CRM), 5,5’-(pyridine-3,5-diyl)diisophthalic acid 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 | C21H13NO8 |
| Molecular Weight | 407.33 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 1 |
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- 1-(4-Benzoylbenzyl)-2-methylpyridin-1-ium tetraphenylborate (CAS 219733-10-5)
- (R)-1-Cyclohexyl-2-fluoroethylamine Hydrochloride (CAS 2006287-02-9)
- Nicotine Related Compound 6 (CAS 1657-32-5)
- 1-(2-(3-Methylpyridin-4-yl)piperidin-1-yl)ethan-1-one (CAS 1352511-20-6)
- Isopentyl 3-amino-1H-1,2,4-triazole-5-carboxylate (CAS 91163-35-8)
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- 4-((2-Fluoro-6-nitrophenoxy)methyl)piperidine hydrochloride (CAS 1286265-02-8)
- Tetrapeptide-3 (CAS 827306-97-8)
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