3-Tert-butyl-1-ethyl-1h-pyrazol-5-amine CAS 874136-24-0
| CAS No. | 874136-24-0 |
| Molecular Formula | C9H17N3 |
| Molecular Weight | 167.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 3-Tert-butyl-1-ethyl-1h-pyrazol-5-amine is closely related to a nitrile group in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
3-Tert-butyl-1-ethyl-1h-pyrazol-5-amine (CAS 874136-24-0), molecular formula C9H17N3 and molecular weight 167.25 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 3-Tert-butyl-1-ethyl-1h-pyrazol-5-amine (C9H17N3) contains a nitrile group. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 167.25 g/mol, it falls into the medium-molecular-weight range. 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-Tert-butyl-1-ethyl-1h-pyrazol-5-amine 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 | C9H17N3 |
| Molecular Weight | 167.25 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 |
Recommended Standards
- 3-Methyl-2-(piperazin-1-yl)butanenitrile (CAS 878218-09-8)
- 4-(1H-Imidazol-4-yl)-N,N-dimethylbutan-1-amine (CAS 887277-24-9)
- 3-Methyl-1-pentyl-1h-pyrazol-5-amine (CAS 2629-98-3)
- 4-(4-Methylpiperazin-1-yl)butanenitrile (CAS 244291-81-4)
- 2-Bromophenyl (chlorosulfonyl)carbamate (CAS 1315366-47-2)
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