8-chloro-1,7-naphthyridine-3-carbaldehyde CAS 1956389-95-9
| CAS No. | 1956389-95-9 |
| Molecular Formula | C9H15ClN2O |
| Molecular Weight | 202.68 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 202.68 g/mol gives 8-chloro-1,7-naphthyridine-3-carbaldehyde distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
8-chloro-1,7-naphthyridine-3-carbaldehyde (CAS 1956389-95-9) is a high-purity analytical reference standard with the molecular formula C9H15ClN2O and a molecular weight of 202.68 g/mol.
Based on its molecular formula C9H15ClN2O, 8-chloro-1,7-naphthyridine-3-carbaldehyde contains 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 202.68 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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.
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.
Physical & Chemical Properties
| Molecular Formula | C9H15ClN2O |
| Molecular Weight | 202.68 g/mol |
| Appearance | White to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| 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.) | 1996 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
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- (3,3,3-Trifluoro-2-methylpropyl)benzene (CAS 943-52-2)
- Amsilarotene (CAS 125973-56-0)
- 2-(4,5-Difluoro-2-nitrophenyl)acetic acid (CAS 1000339-22-9)
- 4-(2,4-Dimethylbenzoyl)phenyl acetate (CAS 890100-31-9)
- (E)-5-Bromo-2-isopropyl-4-methyl-6-styrylpyrimidine (CAS 70169-99-2)
- 3-Acetamidoacrylic acid (CAS 6627-63-0)
- Peptide 440 (CAS CATO-CPTD788440)
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