1-tert-butyl-3-(thiophen-2-yl)-1H-pyrazol-5-amine CAS 1154329-62-0
| CAS No. | 1154329-62-0 |
| Molecular Formula | C11H15N3S |
| Molecular Weight | 221.32 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 1-tert-butyl-3-(thiophen-2-yl)-1H-pyrazol-5-amine.
CATO supplies 1-tert-butyl-3-(thiophen-2-yl)-1H-pyrazol-5-amine (CAS 1154329-62-0), a certified reference material (molecular formula C11H15N3S, MW 221.32 g/mol) for analytical method development and quality control.
Structurally, 1-tert-butyl-3-(thiophen-2-yl)-1H-pyrazol-5-amine (C11H15N3S) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 221.32 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 1-tert-butyl-3-(thiophen-2-yl)-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 | C11H15N3S |
| Molecular Weight | 221.32 g/mol |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Recommended Standards
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