2-Chloro-5-(4-(2-chloro-4-nitrophenyl)buta-1,3-dien-1-yl)benzene-1-sulfonyl fluoride CAS 31368-28-2
| CAS No. | 31368-28-2 |
| Molecular Formula | C16H10Cl2FNO4S |
| Molecular Weight | 402.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Chloro-5-(4-(2-chloro-4-nitrophenyl)buta-1,3-dien-1-yl)benzene-1-sulfonyl fluoride (CAS 31368-28-2), molecular formula C16H10Cl2FNO4S and molecular weight 402.22 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C16H10Cl2FNO4S, 2-Chloro-5-(4-(2-chloro-4-nitrophenyl)buta-1,3-dien-1-yl)benzene-1-sulfonyl fluoride contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 402.22 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 2-Chloro-5-(4-(2-chloro-4-nitrophenyl)buta-1,3-dien-1-yl)benzene-1-sulfonyl fluoride 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 | C16H10Cl2FNO4S |
| Molecular Weight | 402.22 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1965 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Chloro Standards
- 2-Chloro-6-(4-(2-chloro-4-nitrophenyl)buta-1,3-dien-1-yl)benzene-1-sulfonyl fluoride (CAS 31368-31-7)
- 3-Chloro-4-(4-(2-chloro-4-nitrophenyl)buta-1,3-dien-1-yl)benzene-1-sulfonyl fluoride (CAS 31368-25-9)
- 2-((5-Chloro-1-(3-chlorophenyl)-6-oxo-1,6-dihydropyridazin-4-yl)oxy)isoindoline-1,3-dione (CAS 320421-77-0)
- 2-Chloro-N-(1-(3-chloro-5-(trifluoromethyl)pyridin-2-yl)-1H-1,2,4-triazol-3-yl)benzamide (CAS 321434-03-1)
- 4-Chloro-N-(1-(3-chloro-5-(trifluoromethyl)pyridin-2-yl)-1H-1,2,4-triazol-3-yl)benzamide (CAS 303144-57-2)
- 1-((3-Chloro-5-(trifluoromethyl)pyridin-2-yl)amino)-3-(4-chlorophenyl)-1H-pyrrole-2,5-dione (CAS 338770-80-2)
- 2-(2-(3-CHLORO-2-METHYLPHENYLSULFONAMIDO)THIAZOL-4-YL)-N,N-DIETHYLACETAMIDE (CAS 376638-65-2)
- 3-{[(2-chloro-6-fluorophenyl)methyl]sulfanyl}-5-[(E)-2-(phenylamino)ethenyl]-1,2-thiazole-4-carbonitrile (CAS 338778-75-9)
Recommended Standards
- (3-Diethoxyphosphoryl-1,1,3,3-tetrafluoroprop-1-en-2-yl) diethyl phosphate (CAS 74038-48-5)
- Dysprosium(III) bromide (CAS 14456-48-5)
- ((2,4,6-Trimethylbenzene-1,3,5-triyl)tris(methylene))tris(phosphonic acid) (CAS 1246042-23-8)
- 4,5-Dibromo-2-(methylthio)-1-((2-(trimethylsilyl)ethoxy)methyl)-1H-imidazole (CAS 2765573-56-4)
- Guanidinium 4-methylbenzenesulfonate (CAS 63144-77-4)
- o,m,p-Isopropylphenyl Phenyl Phosphate Mixture (1:1:1) (CAS 68782-95-6)
- 3-Bromo-5-methylphenol (CAS 74204-00-5)
- 4-Ethyl-5-methyl-N-(1,3,4-thiadiazol-2-yl)thiophene-3-carboxamide (CAS 438227-04-4)
- As、Se、Bi、Sb in water quality (CAS CATO-CQCM102201)
- 5-Cyclopropoxy-N,N-dimethyl-2-(trifluoromethyl)nicotinamide (CAS 1243376-64-8)
- 1,2,2-Trichloropropane (CAS 3175-23-3)
- (S)-2-amino-N-(4-nitrobenzyl)propanamide (CAS 136774-66-8)
- Diethyl 2-(((3,5-dimethylphenyl)amino)methylene)malonate (CAS 93514-80-8)
- Tirzepatide Impurity 38 (CAS CATO-C4X-324038)
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