3-(Pyridazin-4-yl)isoxazol-5-ol CAS 51149-14-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 51149-14-5 |
| Molecular Formula | C7H5N3O2 |
| Molecular Weight | 163.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-(Pyridazin-4-yl)isoxazol-5-ol (CAS 51149-14-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H5N3O2. Molecular weight: 163.13 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C7H5N3O2 |
| Molecular Weight | 163.13 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-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 |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1971 |
| Nitrogen Atoms | 3 |
Related Pyridazin Standards
- 1-(Pyridazin-3-yl)cyclopropane-1-carboxylic acid (CAS 1469287-08-8)
- 1-(Pyridazin-4-yl)cyclopropane-1-carboxylic acid (CAS 2090420-67-8)
- 1-(Pyridazin-3-yl)-1H-pyrazol-5-amine (CAS 69720-74-7)
- 3-Methyl-5-(pyridazin-4-yl)isoxazole (CAS 39123-41-6)
- 5-(Pyridazin-4-yl)-1H-pyrazol-3-amine (CAS 2763703-89-3)
- 1-(Pyridazin-3-yl)pyrrolidin-3-ol (CAS 1340179-55-6)
- N-[(pyridazin-3-yl)methyl]acetamide (CAS 1699949-28-4)
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Recommended Standards
- 3-(Isoxazol-3-yl)pyrazin-2-ol (CAS 81411-75-8)
- 3-(pyridin-2-yl)-4,5-dihydro-1,2,4-oxadiazol-5-one (CAS 65173-14-0)
- 3-(Difluoromethoxy)-1-methyl-1H-pyrazol-4-amine (CAS 2041076-49-5)
- tert-Butyl (1S,2S,4R)-7-azabicyclo[2.2.1]heptan-2-ylcarbamate hydrochloride (CAS 2008714-28-9)
- 2-((2-Fluorobenzyl)thio)-5-((4-fluorobenzyl)thio)-1,3,4-thiadiazole (CAS 477330-73-7)
- 4-((Pyrrolidin-3-ylmethyl)thio)pyridine hydrochloride (CAS 1417794-05-8)
- 4-Chlorophenyl 2-(2,3-dihydrobenzo[b][1,4]dioxin-2-yl)thiazole-4-carboxylate (CAS 545399-94-8)
- 7-Bromo-4-methoxyindazole (CAS 1337879-62-5)
- N-NItroso Nimodipine (CAS CATO-C4X-138532)
- Des-Gly29,30-Tirzepatide (CAS CATO-CPTD788944)
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