1-(4-Methylbenzyl)-1H-pyrazol-4-amine hydrochloride CAS 1049756-50-4
| CAS No. | 1049756-50-4 |
| Molecular Formula | C11H13N3 |
| 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 223.70 g/mol gives 1-(4-Methylbenzyl)-1H-pyrazol-4-amine hydrochloride distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
1-(4-Methylbenzyl)-1H-pyrazol-4-amine hydrochloride (CAS 1049756-50-4), molecular formula C11H13N3HCl and molecular weight 223.70 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a nitrogen-containing heterocyclic scaffold, a nitrile group, chlorine substitution, 1-(4-Methylbenzyl)-1H-pyrazol-4-amine hydrochloride is typically off-white to pale yellow low-melting solid. Its solid-state physicochemical attributes — including a molecular weight of 223.70 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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-(4-Methylbenzyl)-1H-pyrazol-4-amine hydrochloride 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 | C11H13N3 HCl |
| Molecular Weight | 223.70 g/mol |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Methylbenzyl Standards
- 1-(3-methylbenzyl)-1H-pyrazol-4-amine (CAS 1002033-31-9)
- 3-(4-Methylbenzyl)pyrrolidine Hydrochloride (CAS 1003561-96-3)
- 3-(1-(4-Methylbenzyl)-3-phenyl-1h-pyrazol-4-yl)acrylic acid (CAS 1006494-72-9)
- N-(4-Methylbenzyl)-6-oxo-1-propyl-1,6-dihydropyridazine-3-carboxamide (CAS 1007826-51-8)
- 5-(4-methylbenzyl)-6a,7,8,9-tetrahydropyrido[3,2-e]pyrrolo[1,2-a]pyrazin-6(5H)-one (CAS 1009282-30-7)
- 5-(4-methylbenzyl)-7-(trifluoromethyl)-1,2,3,3a-tetrahydropyrrolo[1,2-a]quinoxalin-4(5H)-one (CAS 1009537-73-8)
- 3-Methyl-1-(4-methylbenzyl)-6-phenyl-1h-pyrazolo[3,4-b]pyridine-4-carboxylic acid (CAS 1011397-32-2)
- 2-(4-Methylbenzyl)isoindoline-1,3-dione (CAS 101207-45-8)
Recommended Standards
- 3,5-Difluorophenylboronic Acid (CAS 156545-07-2)
- 2-(Tert-butylthio)-1-phenylethan-1-one (CAS 85591-54-4)
- 1-Methyl-4-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)piperidin-4-ol hydrochloride (CAS 2377611-23-7)
- 2-Bromo-4,5-dimethoxyaniline (CAS 16791-41-6)
- Ethyl 2-methylquinoline-4-carbimidate (CAS 773792-87-3)
- 3-(1H-1,3-Benzodiazol-1-yl)-1,1,1-trifluoropropan-2-ol (CAS 1340095-62-6)
- tert-Butyl (2-amino-5-fluorophenyl)carbamate (CAS 362670-07-3)
- n-Methyl-N-(2-(piperazin-1-yl)ethyl)propan-2-amine (CAS 1178076-35-1)
- (5-(Trifluoromethyl)-1H-pyrrol-2-yl)boronic acid (CAS 2070922-45-9)
- Uremic Pentapeptide (CAS 71494-20-7)
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