3-methyl-1H-indazol-5-ol CAS 904086-08-4
| CAS No. | 904086-08-4 |
| Molecular Formula | C8H8N2O |
| Molecular Weight | 148.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 3-methyl-1H-indazol-5-ol.
CATO supplies 3-methyl-1H-indazol-5-ol (CAS 904086-08-4), a certified reference material (molecular formula C8H8N2O, MW 148.16 g/mol) for analytical method development and quality control.
3-methyl-1H-indazol-5-ol (C8H8N2O) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 3-methyl-1H-indazol-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 | C8H8N2O |
| Molecular Weight | 148.16 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 2 |
Recommended Standards
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- 4-(Benzo[d][1,3]dioxol-5-yloxy)-1H-pyrazole (CAS 1429902-41-9)
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- 76780-98-8 2-Chloro-N-methyl-6,7-dihydro-5H-cyclopenta[d]pyrimidin-4-amine DTXSID90504067 (CAS 76780-98-8)
- 5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1,10-phenanthroline (CAS 1156493-59-2)
- 2-(3-Chlorophenyl)oxazole (CAS 62882-06-8)
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- 1,3-bis(2-fluorophenyl)propan-2-one (CAS 1425-89-4)
- Semaglutide Impurity 1(OtBu-Ste-D-γGlu(OtBu)-AEEA-AEEA-OH) (CAS CATO-C4X-22261)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com