5-(Dichloromethyl)-2-methoxypyridine CAS 121643-49-0
| CAS No. | 121643-49-0 |
| Molecular Formula | C7H7Cl2NO |
| Molecular Weight | 192.04 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
5-(Dichloromethyl)-2-methoxypyridine (CAS 121643-49-0), molecular formula C7H7Cl2NO and molecular weight 192.04 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C7H7Cl2NO, 5-(Dichloromethyl)-2-methoxypyridine contains an amide group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 192.04 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
CATO manufactures 5-(Dichloromethyl)-2-methoxypyridine 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 | C7H7Cl2NO |
| Molecular Weight | 192.04 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Dichloromethyl Standards
- 4-(Dichloromethyl)-4-methylcyclohexa-2,5-dien-1-one (CAS 6611-78-5)
- 1-(Dichloromethyl)-2,4-dimethylbenzene (CAS 148990-23-2)
- (dichloromethyl)methyldichlorosilane (CAS 1558-31-2)
- 3-(Dichloromethyl)benzonitrile (CAS 93632-91-8)
- 5-Dichloromethyl-[1,3,4]thiadiazol-2-ylamine (CAS 32546-30-8)
- 1,1-Dichloromethyl Ether (CAS 20524-86-1)
- 2-(dichloromethyl)-5-methyl-1,3,4-thiadiazole (CAS 75341-27-4)
- 2-(Dichloromethyl)imidazo[1,2-a]pyridine (CAS 143982-35-8)
Recommended Standards
- 2-Chloro-6-(chloromethyl)-4-methoxypyridine (CAS 1211541-44-4)
- 3-Chloro-5-(chloromethyl)-2-methoxypyridine (CAS 1227516-74-6)
- 3-Chloro-2-(chloromethyl)-5-methoxypyridine (CAS 1211536-65-0)
- 5-Chloro-4-(chloromethyl)-2-methoxypyridine (CAS 1227584-37-3)
- 2-(Methyl((5-methylfuran-2-yl)methyl)amino)-1-phenylethan-1-ol (CAS 1147524-57-9)
- 5-Bromo-1-ethyl-1h-pyrazole (CAS 1268334-99-1)
- Tert-butyl ((4-allyl-5-mercapto-4H-1,2,4-triazol-3-yl)methyl)carbamate (CAS 306935-46-6)
- (3Ar,5r,6s,6ar)-5-[(Azepan-1-yl)methyl]-2,2-dimethyl-tetrahydro-2h-furo[2,3-d][1,3]dioxol-6-ol (CAS 175229-82-0)
- Dotinurad Impurity 58 (CAS CATO-C4X-249458)
- (4-(Pyrrolidin-1-ylmethyl)cyclohexyl)methanamine (CAS 1504288-48-5)
- Ethyl 2-Aminoimidazole-5-carboxylate (CAS 149520-94-5)
- 2-(4-Methyl-3-(trifluoromethyl)phenyl)acetonitrile (CAS 1000526-63-5)
- 3-Amino-1-[2-(2,4-dichlorophenyl)ethyl]thiourea (CAS 1152549-09-1)
- Palmitoyl Hexapeptide-12 (CAS 171263-26-6)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com