Methyl 3-methyl-1-phenyl-1H-pyrazole-5-carboxylate CAS 55115-11-2
| CAS No. | 55115-11-2 |
| Molecular Formula | C12H12N2O2 |
| Molecular Weight | 216.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), Methyl 3-methyl-1-phenyl-1H-pyrazole-5-carboxylate 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.
CATO supplies Methyl 3-methyl-1-phenyl-1H-pyrazole-5-carboxylate (CAS 55115-11-2), a certified reference material (molecular formula C12H12N2O2, MW 216.24 g/mol) for analytical method development and quality control.
Structurally, Methyl 3-methyl-1-phenyl-1H-pyrazole-5-carboxylate (C12H12N2O2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 216.24 g/mol, it falls into the medium-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
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 | C12H12N2O2 |
| Molecular Weight | 216.24 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1972 |
| Nitrogen Atoms | 2 |
Recommended Standards
- Methyl 3-((1H-imidazol-1-yl)methyl)benzoate (CAS 218131-31-8)
- Methyl 3-methyl-5-phenyl-1H-pyrazole-4-carboxylate (CAS 76923-15-4)
- Methyl 2-amino-2-(quinolin-6-yl)acetate (CAS 762219-22-7)
- Methyl 4-(1H-pyrazol-1-ylmethyl)benzoate (CAS 397328-86-8)
- (2S,3S)-1-benzhydryl-2-methylazetidin-3-amine (CAS 164906-71-2)
- 4-(4-Fluorophenyl)-6-(trifluoromethyl)pyrimidine-2-thiol (CAS 359899-79-9)
- 1-[(4-methylphenyl)methyl]-1h-pyrazol-4-amine dihydrochloride (CAS 1189462-86-9)
- n-(1-Ethyl-1h-pyrazol-4-yl)hydrazinecarboximidamide (CAS 1344848-12-9)
- Methyl 1-(4-nitrophenyl)cyclopropane-1-carboxylate (CAS 23348-98-3)
- Allyl trifluoroacetate (CAS 383-67-5)
- 1-Allyl-2-((2-chlorobenzyl)sulfonyl)-4,5-diphenyl-1H-imidazole (CAS 339277-74-6)
- Morinidazole Impurity 8 (CAS 1413431-48-7)
- 2-(Aminomethyl)-6-(difluoromethyl)-3-fluoropyridine-5-methanol (CAS 1807136-71-5)
- Semaglutide impurity 227 (CAS CATO-C4X-2226227)
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