5-Chloro-2-fluoro-N'-hydroxybenzimidamide CAS 1563439-80-4
| CAS No. | 1563439-80-4 |
| Molecular Formula | C7H6ClFN2O |
| Molecular Weight | 188.59 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Chloro-2-fluoro-N'-hydroxybenzimidamide (CAS 1563439-80-4), molecular formula C7H6ClFN2O and molecular weight 188.59 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C7H6ClFN2O, 5-Chloro-2-fluoro-N'-hydroxybenzimidamide contains an amide group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 188.59 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
CATO manufactures 5-Chloro-2-fluoro-N'-hydroxybenzimidamide under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C7H6ClFN2O |
| Molecular Weight | 188.59 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.) | 1993 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 2 |
Related Chloro Standards
- 4-Chloro-2-fluorobenzohydrazide (CAS 1016768-00-5)
- 3-Chloro-5-fluorobenzohydrazide (CAS 1219921-71-7)
- 2-Chloro-4-fluorobenzohydrazide (CAS 123614-86-8)
- (4-chloro-3-fluorophenyl)urea (CAS 1249871-03-1)
- 3-Chloro-2-fluorobenzohydrazide (CAS 1504513-20-5)
- 2-Chloro-6-fluoro-N-hydroxybenzimidamide (CAS 1643-74-9)
- (3-Chloro-4-fluorophenyl)urea (CAS 343247-57-4)
- 2-Chloro-4-fluoro-N'-hydroxybenzenecarboximidamide (CAS 885963-71-3)
Recommended Standards
- 4-Amino-3-chloro-5-fluorobenzamide (CAS 1823346-42-4)
- 2-Amino-4-chloro-6-fluorobenzamide (CAS 940054-52-4)
- 2-Amino-3-chloro-5-fluorobenzamide (CAS 1191420-40-2)
- 2-Chloro-5-fluoro-6-methylnicotinamide (CAS 959617-65-3)
- 3-chloro-1-benzofuran-7-carbaldehyde (CAS 1428415-53-5)
- (R)-2-((1-((Benzyloxy)carbonyl)piperidin-3-yl)oxy)acetic acid (CAS 937057-83-5)
- 2-Acetamidoheptanoic acid (CAS 5440-34-6)
- Almotriptan USP RC B (Base) (CAS 181178-24-5)
- (+)-Sativene (CAS 3650-28-0)
- tert-Butyl 1H,2H,3H,3aH,6H,6aH-cyclopenta[b]pyrrole-1-carboxylate (CAS 2227206-55-3)
- 2-(6,7,8-Trimethoxynaphthalen-1-yl)acetic acid (CAS 672919-42-5)
- tert-Butyl 2-{2-bromo-5,7-dioxo-4H,5H,6H,7H-[1,3]thiazolo[5,4-d]pyrimidin-6-yl}acetate (CAS 1637533-76-6)
- Methyl 4-(2-chloroacetyl)-2,5-dimethyl-1-(propan-2-yl)-1h-pyrrole-3-carboxylate (CAS 877963-98-9)
- Fragment-[7-31]-Liraglutide (CAS CATO-C4X-199239)
Why CATO?
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