4-Iodo-1-isobutyl-3-methyl-1H-pyrazol-5-amine CAS 1303443-54-0
| CAS No. | 1303443-54-0 |
| Molecular Formula | C8H14IN3 |
| Molecular Weight | 279.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a nitrile group, iodine substitution, 4-Iodo-1-isobutyl-3-methyl-1H-pyrazol-5-amine is typically white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 279.12 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
4-Iodo-1-isobutyl-3-methyl-1H-pyrazol-5-amine (CAS 1303443-54-0), molecular formula C8H14IN3 and molecular weight 279.12 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.
As a certified reference material (CRM), 4-Iodo-1-isobutyl-3-methyl-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 | C8H14IN3 |
| Molecular Weight | 279.12 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.) | 1990 |
| Halogen Content | I-containing |
| Nitrogen Atoms | 3 |
Related Iodo Standards
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- 4-Iodo-1-isobutyl-5-methyl-1H-pyrazol-3-amine (CAS 1443279-68-2)
- 6-iodo-1,4-dihydroquinolin-4-one (CAS 21873-51-8)
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Recommended Standards
- 5-Bromo-1,2-difluoro-3-(pentyloxy)benzene (CAS 1309933-09-2)
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- 5-Bromo-1,3-difluoro-2-(pentyloxy)benzene (CAS 1309933-55-8)
- 1-(4,6-Dichloro-1,3,5-triazin-2-yl)-2-methyl-2H-isoindole (CAS 118948-80-4)
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- 7-Methoxy-4-nitro-1H-indole (CAS 175913-32-3)
- Methylarsonic acid sodium (CAS 2163-80-6)
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- Articaine Impurity C7 (CAS 23964-64-9)
- 3-Oxoindan-1-carboxylic acid (CAS 29427-69-8)
- 4-(Phenyldiazenyl)benzyl carbonochloridate (CAS 55592-99-9)
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- 1-(5-Chloro-2-methoxyphenyl)-3-hydroxycyclobutane-1-carboxylic acid (CAS 1490613-66-5)
- Tirzepatide Impurity 17 (CAS CATO-C4X-324017)
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