1-Ethyl-5-iodo-1H-pyrazol-4-amine hydrochloride CAS 2580203-85-4
| CAS No. | 2580203-85-4 |
| Molecular Formula | C5H8IN3 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 1-Ethyl-5-iodo-1H-pyrazol-4-amine hydrochloride is closely related to a nitrile group, chlorine/iodine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
1-Ethyl-5-iodo-1H-pyrazol-4-amine hydrochloride (CAS 2580203-85-4) is a high-purity analytical reference standard with the molecular formula C5H8IN3HCl and a molecular weight of 273.50 g/mol.
Structurally, 1-Ethyl-5-iodo-1H-pyrazol-4-amine hydrochloride (C5H8IN3HCl) contains a nitrile group, chlorine/iodine substitution. The molecule exhibits a degree of unsaturation (DBE) of 2.0, corresponding to approximately 2 ring(s) or double-bond equivalent(s). With a molecular weight of 273.50 g/mol, it falls into the medium-molecular-weight range. 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-Ethyl-5-iodo-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 | C5H8IN3 HCl |
| Molecular Weight | 273.50 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 | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 2001 |
| Halogen Content | Cl/I-containing |
| Nitrogen Atoms | 3 |
Related Ethyl Standards
- 5-Iodo-2-phenylthiazole (CAS 1000029-07-1)
- 3-Iodo-6-methyl-5-nitro-1H-pyrrolo[2,3-b]pyridine (CAS 1000340-21-5)
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