O-(2,3,4,5,6-Pentafluorobenzyl)hydroxylamine Hydrochloride CAS 57981-02-9
| CAS No. | 57981-02-9 |
| Molecular Formula | C7H4F5NO |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
O-(2,3,4,5,6-Pentafluorobenzyl)hydroxylamine Hydrochloride (CAS 57981-02-9), molecular formula C7H4F5NOHCl and molecular weight 249.56 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C7H4F5NOHCl, O-(2,3,4,5,6-Pentafluorobenzyl)hydroxylamine Hydrochloride contains an amide group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 249.56 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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), O-(2,3,4,5,6-Pentafluorobenzyl)hydroxylamine 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 | C7H4F5NO HCl |
| Molecular Weight | 249.56 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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.) | 1973 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 1 |
Related O Standards
- 2,3,4,5,6-Pentafluorobenzyl methacrylate (CAS 114859-23-3)
- Bis(Pentafluorobenzyl)Disulfide (CAS 119951-95-0)
- Pentafluorobenzyl Bromide (CAS 1765-40-8)
- 2,3,4,5,6-Pentafluorobenzyl acetate (CAS 2002-93-9)
- Pentafluorobenzyl propionate (CAS 21634-97-9)
- O-(2,3,4,5,6-Pentafluorobenzyl-α,α-d2)-hydroxylamine HCl (CAS 358730-85-5)
- 2,3,4,5,6-Pentafluorobenzyl chloroformate (CAS 53526-74-2)
Recommended Standards
- (4-Bromophenyl)(4-((2,5-dihydro-1H-pyrrol-1-yl)methyl)phenyl)methanone (CAS 898764-01-7)
- 2-(4-Isopropoxyphenyl)quinoline-4-carbonyl chloride (CAS 1160264-81-2)
- 4-fluoro-1H-pyrrolo[2,3-c]pyridine (CAS 1363380-64-6)
- 5-Chloro Lamotrigine (CAS 77668-56-5)
- N-benzyl-4-bromo-1,3-thiazol-2-amine (CAS 1503590-26-8)
- 2-(Thiophen-2-yl)cyclopropan-1-amine (CAS 89853-44-1)
- 4-Bromo-n-propyl-3-(trifluoromethyl)benzenesulfonamide (CAS 1020253-00-2)
- 2-((4-(4-Bromophenyl)-5-(pyridin-4-yl)-4H-1,2,4-triazol-3-yl)thio)-N-(4-methoxyphenyl)acetamide (CAS 477329-06-9)
- N-(5-aminopyridin-2-yl)-N-methylacetamide (CAS 92808-22-5)
- Cholecystokinin Octapeptide (desulfated) (H-2070.0005) (CAS 198483-36-2)
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