2-Fluoro-5-hydrazinylbenzonitrile hydrochloride CAS 280120-91-4
| CAS No. | 280120-91-4 |
| Molecular Formula | C7H6FN3 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
2-Fluoro-5-hydrazinylbenzonitrile hydrochloride (CAS 280120-91-4), molecular formula C7H6FN3HCl and molecular weight 187.60 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2-Fluoro-5-hydrazinylbenzonitrile hydrochloride (C7H6FN3HCl) contains a nitrile group, fluorine/chlorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 187.60 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 | C7H6FN3 HCl |
| Molecular Weight | 187.60 g/mol |
| Appearance | Off-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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 3 |
Related Fluoro Standards
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- 2-Fluoro-5-iodo-4-methoxybenzoic acid (CAS 1000162-78-6)
- Ethyl 4-fluoro-3-ethoxybenzoate (CAS 1000207-63-5)
- 6-fluoro-4-iodo-1H-benzo[d]imidazole (CAS 1000308-33-7)
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- 3-Fluoro-2-nitrobenzoic Acid (CAS 1000339-51-4)
Recommended Standards
- 3-(Methylthio)-5-(p-tolyl)-1,2,4-triazine (CAS 69467-06-7)
- 2-(tert-butoxycarbonyl)-7-chloro-1,2,3,4-tetrahydroisoquinoline-6-carboxylic acid (CAS CATO-CIM-105789)
- 4-(2-Bromo-5-methoxyphenyl)butan-1-ol (CAS 328570-78-1)
- 5-[(4-fluorophenyl)methyl]-4-methyl-1,3-thiazol-2-amine (CAS 1155998-70-1)
- 2-((4-Ethyl-6-oxo-1,6-dihydropyrimidin-2-yl)thio)-N-propylacetamide (CAS 922630-04-4)
- 3-Ethylpyridazine-4-carboxylic acid (CAS 2855921-42-3)
- 4-[(dimethylamino)methyl]-2-methoxyphenol hydrochloride (CAS 42973-54-6)
- Fluvoxamine EP Impurity I (CAS 88699-84-7)
- (3,5-Dichloro-2-hydroxyphenyl)(1-phenyl-1H-pyrazol-4-yl)methanone (CAS 68287-74-1)
- Tau Peptide (304-318) trifluoroacetate salt (CAS 330456-49-0)
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