4-((5-Chloro-6-oxo-1-phenyl-1,6-dihydropyridazin-4-yl)oxy)-3-methoxybenzoic acid CAS 881463-44-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 881463-44-1 |
| Molecular Formula | C18H13ClN2O5 |
| Molecular Weight | 372.76 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-((5-Chloro-6-oxo-1-phenyl-1,6-dihydropyridazin-4-yl)oxy)-3-methoxybenzoic acid (CAS 881463-44-1), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C18H13ClN2O5. Molecular weight: 372.76 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C18H13ClN2O5 |
| Molecular Weight | 372.76 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
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Recommended Standards
- Hexahydro-1H-inden-5(6H)-one (CAS 5686-84-0)
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- Loprazolam Mesylate Related Compound C (CAS 61198-00-3)
- 2-((5-Ethyl-1,3,4-thiadiazol-2-yl)amino)-2-oxoacetic acid (CAS 83244-82-0)
- (S)-1,3,3-Triphenylhexahydropyrrolo-[1,2-c][1,3,2]oxazaborole (CAS 131180-90-0)
- 7-Fluoro-1'-methylspiro[indoline-3,4'-piperidine] (CAS 1504220-30-7)
- 2-Bromo-4-chloro-6-methylphenol (CAS 54852-68-5)
- 2α-Hydroxy Zidovudine (CAS 215176-58-2)
- 4-Ethylpiperidine-4-carboxamide hydrochloride (CAS 1233026-60-2)
- Semaglutide impurity 270 (CAS CATO-C4X-2226270)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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