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Dansyl chloride is a reagent that reacts with primary amino groups in both aliphatic and aromatic amines to produce stable blue- or blue-green-fluorescent sulfonamide adducts. Dansyl chloride is widely used to modify amino acids; specifically, protein sequencing and amino acid analysis. It can also be used to label hydroxyl and carboxylic acid functional groups.
| Molecular Weight | 269.75 |
| Formula | C12H12ClNO2S |
| CAS Number | 605-65-2 |
| Form | Solid |
| Solubility (25°C) | DMSO 4 mg/mL (ultrasonic and warming) |
| Storage | 4°C, protect from light, sealed |
[4] K J Hunter. Methods Mol Biol. A dansyl chloride-HPLC method for the determination of polyamines
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