4-Methoxy-2-nitro-6-(trifluoromethoxy)pyridine-3-sulfonyl chloride CAS 1806751-00-7
| CAS No. | 1806751-00-7 |
| Molecular Formula | C7H4ClF3N2O6S |
| Molecular Weight | 336.63 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 336.63 g/mol gives 4-Methoxy-2-nitro-6-(trifluoromethoxy)pyridine-3-sulfonyl chloride distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
4-Methoxy-2-nitro-6-(trifluoromethoxy)pyridine-3-sulfonyl chloride (CAS 1806751-00-7) is a high-purity analytical reference standard with the molecular formula C7H4ClF3N2O6S and a molecular weight of 336.63 g/mol.
Based on its molecular formula C7H4ClF3N2O6S, 4-Methoxy-2-nitro-6-(trifluoromethoxy)pyridine-3-sulfonyl chloride contains a carbohydrate-derived structure, an amide group, a sulfone group, fluorine/chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 336.63 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), 4-Methoxy-2-nitro-6-(trifluoromethoxy)pyridine-3-sulfonyl chloride 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 | C7H4ClF3N2O6S |
| Molecular Weight | 336.63 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Methoxy Standards
- 3-Methoxy-5-nitro-4-(trifluoromethoxy)pyridine-2-sulfonyl chloride (CAS 1804790-31-5)
- 4-Methoxy-2-nitro-5-(trifluoromethoxy)pyridine-3-sulfonyl chloride (CAS 1805131-81-0)
- Ethyl 2-{[5-methoxy-4-(phenylsulfanyl)pyrimidin-2-yl]sulfanyl}acetate (CAS 338423-38-4)
- 2-Methoxy-5-methyl-N-(2-((6-methylpyridazin-3-yl)amino)ethyl)benzenesulfonamide (CAS 1171457-94-5)
- N-(2-Methoxy-3-(propylamino)quinoxalin-6-yl)benzamide (CAS 862123-21-5)
- 2-Methoxy-6-(naphthalen-1-ylmethoxymethyl)-benzoic acid methyl ester (CAS 1171923-66-2)
- 2-Methoxy-6-(naphthalen-2-ylmethoxymethyl)-benzoic acid methyl ester (CAS 1171923-82-2)
- 4-(4-Methoxy-phenyl)-piperazine-1,2-dicarboxylic acid1-tert-butyl ester (CAS 1361111-48-9)
Recommended Standards
- 3-Chloro-2-(4-fluoro-3-nitrophenyl)-5-(trifluoromethyl)pyridine 1-oxide (CAS 1823183-86-3)
- 1-(1-Chloro-3,4-dihydronaphthalen-2-yl)-N-(2,4-dichlorophenyl)methanimine (CAS 477887-96-0)
- N-(2,4,6-trichlorophenyl)benzenesulfonamide (CAS 351027-75-3)
- 2,2,2-Trichloro-N-(2-(4-methylpiperazin-1-yl)phenyl)acetamide (CAS 400076-89-3)
- 2-Amino-N-(2-fluoro-4-methylphenyl)propanamide hydrochloride (CAS 1214702-91-6)
- 1-(4′-Chloro-2′-methoxy[1,1′-biphenyl]-4-yl)ethanone (CAS 1345472-02-7)
- 5-Bromo-2-(trifluoromethyl)benzyl acetate (CAS 2149591-27-3)
- [3-(Cyclopropyl-methyl-amino)-pyrrolidin-1-yl]-acetic acid (CAS 1353954-42-3)
- methyl 5-amino-4-fluoro-1-methyl-1H-1,3-benzodiazole-6-carboxylate (CAS 918321-20-7)
- Lamotrigine Impurity 2 (CAS 94266-27-0)
- 3,6-Dibromo-2,4-difluorobenzaldehyde (CAS 1160573-51-2)
- (2-Bromo-3-(methylthio)pyridin-4-yl)methanol (CAS 2794196-74-8)
- 3-Bromo-8-chloro-6-nitroquinoline (CAS 860195-74-0)
- Semaglutide impurity 289 (CAS CATO-C4X-2226289)
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