3,4-Diethyl-1-methyl-1h-pyrazol-5-amine CAS 936940-25-9
| CAS No. | 936940-25-9 |
| Molecular Formula | C8H15N3 |
| Molecular Weight | 153.22 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 3,4-Diethyl-1-methyl-1h-pyrazol-5-amine.
3,4-Diethyl-1-methyl-1h-pyrazol-5-amine (CAS 936940-25-9), molecular formula C8H15N3 and molecular weight 153.22 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C8H15N3, 3,4-Diethyl-1-methyl-1h-pyrazol-5-amine contains a nitrile group; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 153.22 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
As a certified reference material (CRM), 3,4-Diethyl-1-methyl-1h-pyrazol-5-amine 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.
Physical & Chemical Properties
| Molecular Formula | C8H15N3 |
| Molecular Weight | 153.22 g/mol |
| Appearance | 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 3 |
Related Diethyl Standards
- [(1,5-diethyl-1H-pyrazol-4-yl)methyl]amine (CAS 1007540-87-5)
- 3,5-Diethyl-1-methyl-1H-pyrazol-4-amine (CAS 87675-34-1)
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Recommended Standards
- 3,4,5-Triethylisoxazole (CAS 873962-93-7)
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- 3-(Pentan-3-yl)-1h-pyrazol-5-amine (CAS 81114-33-2)
- 2',4',6'-Trimethyl-5'-phenyl-1,1':3',1''-terphenyl (CAS 6231-26-1)
- 1-Ethoxy-2,5-diethyl-2,5-dimethylimidazolidin-4-one (CAS 554409-13-1)
- 5-(Chloromethyl)-3-methylisoxazole (CAS 40340-41-8)
- Ethyl 5-(2-fluorophenoxy)pentanoate (CAS 1443338-05-3)
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- N-[1-(Furan-2-yl)ethyl]-2-nitroaniline (CAS 1155989-78-8)
- 5-(2-(1-(4-Methoxyphenyl)cyclopropyl)pyridin-4-yl)-4-methylthiazol-2-amine (CAS 1395492-75-7)
- 3-methyl-2-sulfanyl-3,4-dihydroquinazolin-4-one (CAS 1705-09-5)
- N-Butyl-N-(5-phenyl-1H-1,2,4-triazol-3-yl)butyramide (CAS 62400-14-0)
- Liraglutide Impurity 6 TFA Salt (CAS CATO-C4X-19926)
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