1-(3-Amino-5-methylphenyl)ethyl 1H-pyrazole-4-carboxylate CAS 121716-27-6
| CAS No. | 121716-27-6 |
| Molecular Formula | C13H15N3O2 |
| Molecular Weight | 245.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 1-(3-Amino-5-methylphenyl)ethyl 1H-pyrazole-4-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.
1-(3-Amino-5-methylphenyl)ethyl 1H-pyrazole-4-carboxylate (CAS 121716-27-6), molecular formula C13H15N3O2 and molecular weight 245.28 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C13H15N3O2, 1-(3-Amino-5-methylphenyl)ethyl 1H-pyrazole-4-carboxylate contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 245.28 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
Physical & Chemical Properties
| Molecular Formula | C13H15N3O2 |
| Molecular Weight | 245.28 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 3 |
Related Amino Standards
- Ethyl 5-amino-1-(2-methylphenyl)-1H-pyrazole-3-carboxylate (CAS 1138036-67-5)
- Ethyl 5-amino-1-(2-methylphenyl)-1h-imidazole-4-carboxylate (CAS 1159979-51-7)
- 2-(5-Amino-3-methyl-1H-pyrazol-1-yl)-5,6,7,8-tetrahydroquinazolin-4(3H)-one (CAS 1170087-35-0)
- 4-[(4-amino-3,5-dimethyl-1h-pyrazol-1-yl)methyl]benzoic acid (CAS 1171331-23-9)
- 2-(5-Amino-3-cyclopropyl-1H-pyrazol-1-yl)-5,6-dimethylpyrimidin-4(3H)-one (CAS 1207046-60-3)
- 2-(5-Amino-2-methylphenyl)tetrahydro-1H-pyrrolo[1,2-c]imidazole-1,3(2H)-dione (CAS 1248547-52-5)
- Methyl 5-amino-1-(2,3-dimethylphenyl)-1H-pyrazole-4-carboxylate (CAS 1264041-10-2)
- Methyl 5-amino-1-(2,4-dimethylphenyl)-1H-pyrazole-4-carboxylate (CAS 1264045-25-1)
Recommended Standards
- 5-Acetyl-6-methyl-2-morpholinonicotinonitrile (CAS 121348-09-2)
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- (S)-1-(2-methyl-3-(trifluoromethyl)phenyl)pentan-1-amine (CAS 1213125-69-9)
- 5-[4-(Cyclopentyloxy)phenyl]-1,3,4-oxadiazol-2-amine (CAS 1219827-71-0)
- 3-(4-Bromophenyl)-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazol-6-amine (CAS 113486-74-1)
- N,N,N-Trimethyl-2-(((naphthalen-2-yloxy)carbonyl)oxy)ethanaminium iodide (CAS 63175-14-4)
- 2-Cyclopropoxy-N,N-dimethyl-6-(trifluoromethyl)aniline (CAS 1243316-63-3)
- Methyl 2-(4-bromo-2-cyano-5-fluorophenyl)acetate (CAS 1807077-52-6)
- 2-Thia-5-azabicyclo[2.2.1]heptane hydrochloride (CAS 1215499-34-5)
- Pentafluorophenyl Chlorothionoformate (CAS 135192-53-9)
- Methyl 2-(3-isopropyl-5-mercapto-4h-1,2,4-triazol-4-yl)acetate (CAS 1038325-53-9)
- Ethyl 4-butyl-3,5-dimethyl-1H-pyrrole-2-carboxylate (CAS 34549-87-6)
- 2-ethoxy-2-[4-fluoro-2-(trifluoromethyl)phenyl]acetonitrile (CAS 1521547-67-0)
- endo-Gly31-Semaglutide (CAS CATO-C4X-2226282)
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