3-(4-Methoxyphenyl)-1-(pyridin-2-yl)-1H-pyrazol-5-ol CAS 140397-85-9
| CAS No. | 140397-85-9 |
| Molecular Formula | C15H13N3O2 |
| Molecular Weight | 267.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-(4-Methoxyphenyl)-1-(pyridin-2-yl)-1H-pyrazol-5-ol (CAS 140397-85-9), molecular formula C15H13N3O2 and molecular weight 267.28 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 3-(4-Methoxyphenyl)-1-(pyridin-2-yl)-1H-pyrazol-5-ol (C15H13N3O2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 267.28 g/mol, it falls into the medium-molecular-weight range. 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).
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 3-(4-Methoxyphenyl)-1-(pyridin-2-yl)-1H-pyrazol-5-ol 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 | C15H13N3O2 |
| Molecular Weight | 267.28 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
| Nitrogen Atoms | 3 |
Related Methoxyphenyl Standards
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- 3-(5-(2-Methoxyphenyl)-1,3,4-oxadiazol-2-yl)aniline (CAS 1082913-19-6)
- 2-(5-(2-Methoxyphenyl)-1,3,4-oxadiazol-2-yl)aniline (CAS 1416341-34-8)
- 2-(5-(3-Methoxyphenyl)-1,3,4-oxadiazol-2-yl)aniline (CAS 159222-58-9)
- 2-(4-Methoxyphenyl)-1H-benzo[d]imidazole-5-carboxamide (CAS 178970-16-6)
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Recommended Standards
- 3-Hydroxy-2-(2-isopropoxy-benzoylamino)-propionic acid (CAS 1396999-04-4)
- 2-{[(tert-butoxy)carbonyl]amino}-3-(pyrimidin-2-yl)propanoic acid (CAS 1404878-37-0)
- (2-Propoxybenzoyl)serine (CAS 1396967-42-2)
- 2-((Tert-butoxycarbonyl)amino)-3-(pyrimidin-5-yl)propanoic acid (CAS 1404955-34-5)
- 1-(Cyclohexylethynyl)cyclobutan-1-ol (CAS 1394173-16-0)
- Ethyl 5-cyclopropyl-4-methyl-1H-pyrazole-3-carboxylate (CAS 1445831-52-6)
- n-(3-(3,5-Dimethyl-1h-pyrazol-1-yl)propyl)thiophene-2-carboxamide (CAS 1179459-07-4)
- N-Cyclopropyl-4-bromo-3-methylbenzenesulfonamide (CAS 876875-59-1)
- 4-[(trans,trans)-4’-Pentyl[1,1’-bicyclohexyl]-4-yl]phenol (CAS 438000-15-8)
- Efegatran (CAS 105806-65-3)
- 3-Fluoro-4-(2-fluorophenoxy)benzonitrile (CAS 1153105-40-8)
- (5-Amino-1-(4-bromophenyl)-1H-pyrazol-4-yl)(2-chlorophenyl)methanone (CAS 618091-94-4)
- 3-Bromo-1H-indole-6-carbaldehyde (CAS 1372096-39-3)
- Vancomycin Hexapeptide (CAS 115236-65-2)
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