4-(Chloromethyl)-3-(difluoromethyl)pyridine-2-sulfonyl chloride CAS 1803694-75-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1803694-75-8 |
| Molecular Formula | C7H5Cl2F2NO2S |
| Molecular Weight | 276.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(Chloromethyl)-3-(difluoromethyl)pyridine-2-sulfonyl chloride (CAS 1803694-75-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H5Cl2F2NO2S. Molecular weight: 276.09 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C7H5Cl2F2NO2S |
| Molecular Weight | 276.09 g/mol |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 5-Bromo-6-oxo-1,6-dihydro-[2,3'-bipyridine]-3-carbonitrile (CAS 1707609-54-8)
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- 2-Oxo-2-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)acetic acid (CAS 1683546-62-4)
- 3-Phenylbicyclo[1.1.0]Butane-1-carboxylic acid (CAS 1909326-37-9)
- 6-Chloro-1H-pyrrolo[2,3-b]pyridin-2(3H)-one (CAS 220896-14-0)
- 2-(1-Chloroethyl)-1H-pyrrole (CAS 1289385-09-6)
- 3-Amino-2-phenyl-4(1H)-quinolone (CAS 7767-99-9)
- Tamsulosin Impurity 16 (CAS 21003-56-5)
- 4-Methoxybenzenesulfonamide (CAS 1129-26-6)
- Acetyl tetrapeptide-9(Dermican LS 9837) (CAS 928006-50-2)
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