3-Tert-butyl-1-methyl-1h-pyrazolo[3,4-b]pyridine-5-carboxylic acid CAS 926257-81-0
| CAS No. | 926257-81-0 |
| Molecular Formula | C12H15N3O2 |
| Molecular Weight | 233.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 3-Tert-butyl-1-methyl-1h-pyrazolo[3,4-b]pyridine-5-carboxylic acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
3-Tert-butyl-1-methyl-1h-pyrazolo[3,4-b]pyridine-5-carboxylic acid (CAS 926257-81-0), molecular formula C12H15N3O2 and molecular weight 233.27 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C12H15N3O2, 3-Tert-butyl-1-methyl-1h-pyrazolo[3,4-b]pyridine-5-carboxylic acid contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 233.27 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
Physical & Chemical Properties
| Molecular Formula | C12H15N3O2 |
| Molecular Weight | 233.27 g/mol |
| Appearance | Off-white to pale 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 3 |
Recommended Standards
- 3-Amino-5-methyl-5-(2-phenylethyl)imidazolidine-2,4-dione (CAS 956437-87-9)
- 4-((4-Hydroxybutyl)amino)phthalazin-1(2H)-one (CAS 59940-27-1)
- 3-{2,5,7-trimethylpyrazolo[1,5-a]pyrimidin-6-yl}propanoic acid (CAS 851116-09-1)
- 4-(2-(9H-Purin-6-yl)ethyl)morpholine (CAS 920503-73-7)
- N-Methylbenzohydrazide (CAS 1483-24-5)
- Neodymium 142 (CAS 14336-82-4)
- 1-Heptyl-1H-pyrazol-4-amine (CAS 1152512-32-7)
- 3817AE 446848-52-8 C11H13ClN2O2 N-{4-[Acetyl(methyl)amino]phenyl}-2-chloroacetamide (CAS 446848-52-8)
- Ethyl (E)-2-(ethoxymethylene)-3-oxopentanoate (CAS 16475-76-6)
- 2-(1-(3-Chlorophenyl)-4-oxo-1,4-dihydro-5H-pyrazolo[3,4-d]pyrimidin-5-yl)-N-methylacetamide (CAS 778623-11-3)
- N-(Benzo[d]isoxazol-3-yl)-4-methylbenzamide (CAS 891025-25-5)
- N-(4-Chlorophenyl)-2-((4-ethyl-5-(pyridin-2-yl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 577764-94-4)
- Nifekalant Impurity 16 (CAS CATO-C4X-279716)
- Semaglutide Impurity 8 (CAS CATO-C4X-22268)
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