4-(Naphthalen-2-yloxy)-1H-pyrazole CAS 1429902-99-7
| CAS No. | 1429902-99-7 |
| Molecular Formula | C13H10N2O |
| Molecular Weight | 210.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(Naphthalen-2-yloxy)-1H-pyrazole (CAS 1429902-99-7), molecular formula C13H10N2O and molecular weight 210.23 g/mol, is a CATO reference standard with documented purity and traceability.
4-(Naphthalen-2-yloxy)-1H-pyrazole (C13H10N2O) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. Its high carbon-to-hydrogen ratio confers good lipid solubility; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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.
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.
Physical & Chemical Properties
| Molecular Formula | C13H10N2O |
| Molecular Weight | 210.23 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 2 |
Related Naphthalen Standards
- 1-(Naphthalen-1-yl)-1h-1,2,3-triazol-5-amine (CAS 1334147-42-0)
- 5-(Naphthalen-1-yl)oxazol-2(3h)-imine (CAS 1347395-52-1)
- 5-(Naphthalen-2-yl)oxazol-2-amine (CAS 1347697-79-3)
- 4-(Naphthalen-1-yloxy)-1H-pyrazole (CAS 1429903-82-1)
- 3-(Naphthalen-1-yl)isoxazol-5-amine (CAS 501117-00-6)
- 3-(Naphthalen-2-yl)isoxazol-5-amine (CAS 334709-78-3)
- 5-(NAPHTHALEN-1-YL)FURAN-2(3H)-ONE (CAS 906560-16-5)
- Methyl 3-(naphthalen-2-yl)prop-2-ynoate (CAS 887572-51-2)
Recommended Standards
- N-Cyclopentyl-1-methyl-4-nitro-1H-pyrazol-3-amine (CAS 1429419-09-9)
- N-Cyclopropyl-1-isopropyl-4-nitro-1H-pyrazol-3-amine (CAS 1429417-58-2)
- 9-(1-Methoxyethyl)-7-methyl-8,9-dihydro-1H-purin-6(7H)-one (CAS 143380-51-2)
- 6-Methyl-5-(piperazin-1-yl)pyrimidine-2,4(1H,3H)-dione (CAS 1428234-25-6)
- 1H-Benzo[d][1,2,3]triazole-4-carbonyl chloride (CAS 342617-11-2)
- 4-Acetyl-2-(2,5-dimethyl-1H-pyrrol-1-yl)-5-methylfuran-3-carbonitrile (CAS 1351383-91-9)
- N-(3-chlorophenyl)-2-methyl-1-oxa-4-azaspiro[4.6]Undecane-4-carboxamide (CAS 633299-25-9)
- 1-(Iodomethyl)-2,8-dioxaspiro[4.5]decan-3-one (CAS 2138296-01-0)
- 1-[(1-ethyl-5-methyl-1H-pyrazol-4-yl)methyl]piperidine-4-carboxylic acid,2HCl (CAS 1431970-12-5)
- 5-Chloro-4-ethyl-2,4-dihydro-3H-1,2,4-triazol-3-one (CAS 135692-47-6)
- 1H,4H,5H,6H-cyclopenta[b]pyrrole-2-carboxylic acid (CAS 1041429-45-1)
- 2-((3-Chloro-1H-1,2,4-triazol-5-yl)sulfonyl)ethan-1-ol (CAS 1374408-05-5)
- 4-Cyclopropyl-1,2,3-thiadiazole-5-carboxamide (CAS 183303-91-5)
- [Plus-β-Ala28]-Semaglutide (CAS CATO-C4X-2226221)
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