(4-Chloro-3-methylphenyl)hydrazine hydrochloride CAS 221687-08-7
| CAS No. | 221687-08-7 |
| Molecular Formula | C7H9ClN2 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), (4-Chloro-3-methylphenyl)hydrazine 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.
(4-Chloro-3-methylphenyl)hydrazine hydrochloride (CAS 221687-08-7) is a high-purity analytical reference standard with the molecular formula C7H9ClN2HCl and a molecular weight of 193.07 g/mol.
Based on its molecular formula C7H9ClN2HCl, (4-Chloro-3-methylphenyl)hydrazine hydrochloride contains a nitrile group, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 193.07 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).
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.
Physical & Chemical Properties
| Molecular Formula | C7H9ClN2 HCl |
| Molecular Weight | 193.07 g/mol |
| Appearance | White to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| 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.) | 2020 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
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Recommended Standards
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- 2-Fluoroisonicotinic Acid (CAS 402-65-3)
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- 3-Iodo-1-((2-(trimethylsilyl)ethoxy)methyl)-1H-indazole-6-carbaldehyde (CAS 1168720-53-3)
- Methyl 2-(methylsulfonyl)isonicotinate (CAS 1637781-26-0)
- (2E)-2-{[(3,4-dimethoxyphenyl)amino]methylidene}-3-oxo-N-phenylbutanamide (CAS 1025630-40-3)
- 3-Methyl-2-(piperidin-4-yl)pyridine (CAS 821768-08-5)
- Renin Inhibitor Peptide (CAS 50410-01-0)
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