1-Methyl-5-(phenylamino)-1H-pyrazol-3-ol CAS 1005952-86-2
| CAS No. | 1005952-86-2 |
| Molecular Formula | C10H11N3O |
| Molecular Weight | 189.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-Methyl-5-(phenylamino)-1H-pyrazol-3-ol (C10H11N3O) 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 aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
1-Methyl-5-(phenylamino)-1H-pyrazol-3-ol (CAS 1005952-86-2) is a high-purity analytical reference standard with the molecular formula C10H11N3O and a molecular weight of 189.21 g/mol.
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.
CATO manufactures 1-Methyl-5-(phenylamino)-1H-pyrazol-3-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 | C10H11N3O |
| Molecular Weight | 189.21 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 |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Nitrogen Atoms | 3 |
Related Methyl Standards
- 5-Methyl-2-(phenylamino)oxazol-4(5H)-one (CAS 15900-31-9)
- 3-Methyl-4-(phenylamino)-1H-1,2,4-triazol-5(4H)-one (CAS 75989-66-1)
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Recommended Standards
- N-(2-(Benzofuran-3-yl)ethyl)formamide (CAS 100480-86-2)
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- Methyl 4-cyano-3,5-dimethylbenzoate (CAS 1001055-67-9)
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Why CATO?
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