N-Methyl-N′-[1-(1-methylethyl)-1H-pyrazol-5-yl]-2-thiophenecarboximidamide CAS 1006482-00-3
| CAS No. | 1006482-00-3 |
| Molecular Formula | C12H16N4S |
| Molecular Weight | 248.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The molecular framework of N-Methyl-N′-[1-(1-methylethyl)-1H-pyrazol-5-yl]-2-thiophenecarboximidamide (C12H16N4S) is characterized by a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
N-Methyl-N′-[1-(1-methylethyl)-1H-pyrazol-5-yl]-2-thiophenecarboximidamide (CAS 1006482-00-3), molecular formula C12H16N4S and molecular weight 248.35 g/mol, is a CATO reference standard with documented purity and traceability.
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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C12H16N4S |
| Molecular Weight | 248.35 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
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