1-cyclopentyl-3-methyl-1H-pyrazol-4-amine,HCl CAS 1431970-19-2
| CAS No. | 1431970-19-2 |
| Molecular Formula | C9H15N3 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 201.70 g/mol gives 1-cyclopentyl-3-methyl-1H-pyrazol-4-amine,HCl distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
1-cyclopentyl-3-methyl-1H-pyrazol-4-amine,HCl (CAS 1431970-19-2) is a high-purity analytical reference standard with the molecular formula C9H15N3HCl and a molecular weight of 201.70 g/mol.
Based on its molecular formula C9H15N3HCl, 1-cyclopentyl-3-methyl-1H-pyrazol-4-amine,HCl contains a nitrile group, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 201.70 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), 1-cyclopentyl-3-methyl-1H-pyrazol-4-amine,HCl 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 | C9H15N3 HCl |
| Molecular Weight | 201.70 g/mol |
| Appearance | White to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related cyclopentyl Standards
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- 1-Cyclopentyl-1h-pyrazole-5-carboxylic acid (CAS 1006334-24-2)
- 1-Cyclopentyl-1h-pyrazole-3-carboxylic acid (CAS 1006348-93-1)
Recommended Standards
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- (4R,5R)-(-)-2,2-Dimethyl-,,','-tetraphenyl-1,3-dioxolane-4,5-dimethanol, (R,R)-TADDOL 93379-48-7 ((4R,5R)-2,2-DIMETHYL-1,3-DIOXOLANE-4,5-DIYL)BIS(DIPHENYLMETHANOL);(-)-(4R,5R)-2,2-DIMETHYL-ALPHA,ALPHA,ALPHA',ALPHA'-TETRAPHENYL-1,3-DIOXOLANE-4,5-DIMETHANOL;(-)-2,3-O-ISOPROPYLIDENE-1,1,4,4-TETRAPHENYL-L-THREITOL;(-)-2,3-O-ISOPROPYLIDENE-1,1,4,4-TETRPHENYL-L-THREITOL;(-)-4,5-BIS[HYDROXY(DIPHENYL)METHYL]-2,2-DIMETHYL-1,3-DIOXOLANE;(-)-TADDOL;(-)-TRANS-4,5-BIS-(DIPHENYL-HYDROXYMETHYL)-2,2-DIMETHYL-1,3-DIOXOLANE;(-)-TRANS-ALPHA,ALPHA'-(2,2-DIMETHYL-1,3-DIOXANE-4,5-DIYL)BIS(DIPHENYLMETHANOL);(-)-TRANS-ALPHA,ALPHA'-(2,2-DIMETHYL-1,3-DIOXOLANE-4,5-DIYL)BIS(DIPHENYLMETHANOL);(-)-TRANS-ALPHA,ALPHA'-(DIMETHYL-1,3-DIOXOLANE-4,5-DIYL)BIS(DIPHENYLMETHANOL);(2R,3R)-(-)-1,1,4,4-TETRAPHENYL-2,3-(2-PROPYLIDENEDIOXY)-BUTANE-1,4-DIOL;(2R,3R)-(-)-4,5-BIS(DIPHENYLHYDROXYMETHYL)-2,2-DIMETHYL-1,3-DIOXOLANE;(2R,3R)-2,3-O-ISOPROPYLIDENE-1,1,4,4-TETRAPHENYL-1,2,3,4-BUTANETETROL;(4R,5R)-(-)-2,2-DIMETHYL-ALPHA,ALPHA,ALPHA',ALPHA'-TETRAPHENYL-1,3-DIOXOLANE-4,5-DIMETHANOL;(4R,5R)-2,2-DIMETHYL-A,A,A',A'-TETRAPHENYLDIOXOLANE-4,5-DIMETHANOL;(4R,5R)-2,2-DIMETHYL-ALPHA,ALPHA,ALPHA',ALPHA'-TETRAPHENYLDIOXOLANE-4,5-DIMETHANOL;(4R,5R)-4,5-BIS(DIPHENYLHYDROXYMETHYL)-2,2-DIMETHYLDIOXOLANE;(R,R)-TADDOL;1,1,4,4-TETRAPHENYL-2,3-O-ISOPROPYLIDENE-L-THREITOL;2,3-O-ISOPROPYLIDENE-1,1,4,4-TETRAPHENYL-L-THREITOL;ALPHA'-TETRAPHENYLDIOXOLANE-4,5-DIMETHANOL;SEEBACH REAGENT;TADDOL;[(4R,5R)-5-(HYDROXY-DIPHENYL-METHYL)-2,2-DIMETHYL-[1,3]DIOXOLAN-4-YL]-DIPHENYL-METHANOL;(4R,5R)-(-)-2,2-Dimethyl-,,','-tetraphenyl-1,3-dioxolane-4,5-dimethanol, (R,R)-TADDOL SC11817 (CAS 93379-48-7)
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