8-Amino-2-naphthalenesulfonic acidCAS# 119-28-8 |
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| Cas No. | 119-28-8 | SDF | Download SDF |
| PubChem ID | 8386 | Appearance | Powder |
| Formula | C10H9NO3S | M.Wt | 223 |
| Type of Compound | N/A | Storage | Desiccate at -20°C |
| Solubility | Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc. | ||
| Chemical Name | 8-aminonaphthalene-2-sulfonic acid | ||
| SMILES | C1=CC2=C(C=C(C=C2)S(=O)(=O)O)C(=C1)N | ||
| Standard InChIKey | QEZZCWMQXHXAFG-UHFFFAOYSA-N | ||
| Standard InChI | InChI=1S/C10H9NO3S/c11-10-3-1-2-7-4-5-8(6-9(7)10)15(12,13)14/h1-6H,11H2,(H,12,13,14) | ||
| General tips | For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.Stock solution can be stored below -20℃ for several months. We recommend that you prepare and use the solution on the same day. However, if the test schedule requires, the stock solutions can be prepared in advance, and the stock solution must be sealed and stored below -20℃. In general, the stock solution can be kept for several months. Before use, we recommend that you leave the vial at room temperature for at least an hour before opening it. |
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| About Packaging | 1. The packaging of the product may be reversed during transportation, cause the high purity compounds to adhere to the neck or cap of the vial.Take the vail out of its packaging and shake gently until the compounds fall to the bottom of the vial. 2. For liquid products, please centrifuge at 500xg to gather the liquid to the bottom of the vial. 3. Try to avoid loss or contamination during the experiment. |
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| Shipping Condition | Packaging according to customer requirements(5mg, 10mg, 20mg and more). Ship via FedEx, DHL, UPS, EMS or other couriers with RT, or blue ice upon request. | ||
8-Amino-2-naphthalenesulfonic acid Dilution Calculator
8-Amino-2-naphthalenesulfonic acid Molarity Calculator
| 1 mg | 5 mg | 10 mg | 20 mg | 25 mg | |
| 1 mM | 4.4843 mL | 22.4215 mL | 44.843 mL | 89.6861 mL | 112.1076 mL |
| 5 mM | 0.8969 mL | 4.4843 mL | 8.9686 mL | 17.9372 mL | 22.4215 mL |
| 10 mM | 0.4484 mL | 2.2422 mL | 4.4843 mL | 8.9686 mL | 11.2108 mL |
| 50 mM | 0.0897 mL | 0.4484 mL | 0.8969 mL | 1.7937 mL | 2.2422 mL |
| 100 mM | 0.0448 mL | 0.2242 mL | 0.4484 mL | 0.8969 mL | 1.1211 mL |
| * Note: If you are in the process of experiment, it's necessary to make the dilution ratios of the samples. The dilution data above is only for reference. Normally, it's can get a better solubility within lower of Concentrations. | |||||
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Development and applications of a chemical method for sequential analysis of reducing oligosaccharides.[Pubmed:18975199]
Arch Pharm Res. 1997 Apr;20(2):184-90.
A new method based on the chemical reaction has been devised for the sequential analysis of reducing oligosaccharides using 8-Amino-2-naphthalenesulfonic acid (ANS), a fluorescent precolumn derivatization reagent for reducing saccharides. The procedure established includes 1) the derivatization of a reducing oligosaccharide to produce a Schiff base, 2) the reduction of the base with sodium cyanoborohydride (NaBH(3)CN), 3) the methoxycarbonylation of the resultant secondary amino group, 4) the cleavage of the glycoside bond next to the reducing end, based on the intramolecular acid hydrolysis by the action of a sulfonic acid group of the ANS derivative, 5) the identification of the liberated reducing end by high-per-formance liquid chromatography (HPLC), and finally 6) the recovery of the resultant oligosaccharide fragment from the cleavage reaction mixture. The extensive examination of the conditions for the sequential analysis of reducing oligosaccharides resulted in the procedure of simplicity, high selectivity and high recovery. This procedure was found to be useful for the sequential analysis of di-, tri- and tetrasaccharides.
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