N-(5-chloropyridin-2-yl)-4-hydroxybenzamide CAS 1039831-75-8
| CAS No. | 1039831-75-8 |
| Molecular Formula | C12H9ClN2O2 |
| Molecular Weight | 248.67 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
N-(5-chloropyridin-2-yl)-4-hydroxybenzamide (CAS 1039831-75-8), molecular formula C12H9ClN2O2 and molecular weight 248.67 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C12H9ClN2O2, N-(5-chloropyridin-2-yl)-4-hydroxybenzamide contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 248.67 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.
As a certified reference material (CRM), N-(5-chloropyridin-2-yl)-4-hydroxybenzamide 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 | C12H9ClN2O2 |
| Molecular Weight | 248.67 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, 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; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related N Standards
- 6-(2-(5-Chloropyridin-2-yl)propan-2-yl)pyridin-2(1H)-one (CAS 2759197-75-4)
- S-((6-chloropyridin-2-yl)methyl) O-ethyl carbonodithioate (CAS 1092444-90-0)
- S-((2-chloropyridin-4-yl)methyl) O-ethyl carbonodithioate (CAS 1092444-91-1)
- S-((2-chloropyridin-3-yl)methyl) O-ethyl carbonodithioate (CAS 1092445-02-7)
- 3-(2-Chloropyridin-3-yl)-5-(trifluoromethyl)-1,2,4-oxadiazole (CAS 1203898-23-0)
- 1050506-11-0 3-[(5-chloropyridin-2-yl)oxy]benzoic acid Z1680828844 (CAS 1050506-11-0)
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Recommended Standards
- 2-amino-5-chloro-6-nitro-3,4-dihydroquinazolin-4-one (CAS 103884-19-1)
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- Methyl 4-(2-Chloro-4-pyrimidinyl)benzoate (CAS 1026029-33-3)
- 5-Amino-1-(2-chloro-5-methoxyphenyl)-1H-pyrazole-4-carbonitrile (CAS 1159678-56-4)
- (R)-1-(3-(Ethyl(2-hydroxyethyl)amino)pyrrolidin-1-yl)ethanone (CAS 1354003-48-7)
- 3,3-Dimethyl-1-(3-{[1,2,4]triazolo[1,5-a]pyrimidin-7-yl}phenyl)azetidin-2-one (CAS 439112-24-0)
- 1-(6-(Trifluoromethyl)pyridin-2-yl)piperazine (CAS 127561-18-6)
- (S)-1-(3-chloro-4-(trifluoromethoxy)phenyl)-2,2,2-trifluoroethan-1-amine (CAS 1213497-64-3)
- 294653-45-5 2-Mercapto-5-phenyl-3H-thieno[2,3-d]pyrimidin-4-one MFCD03656342 (CAS 294653-45-5)
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- Tixocortol 21-Pivalate (CAS 55560-96-8)
- (3-Amino-4-methylpiperidin-1-yl)(cyclopropyl)methanone (CAS 1338991-92-6)
- 2-(3,5-Dicyclopropyl-1H-pyrazol-1-yl)ethan-1-amine (CAS 1820741-02-3)
- β-Asp9-Tirzepatide (CAS CATO-CPTD788931)
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