Folin's reagent
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| Folin's reagent | ||
|---|---|---|
 | ||
| IUPAC name Sodium 3,4-dioxo-3,4-dihydronaphthalene-1-sulfonate | ||
| Identifiers | ||
| CAS number | 521-24-4 | |
| PubChem | 516996 | |
| Jmol-3D images | {{#if:C1=CC=C2C(=C1)C(=CC(=O)C2=O)S(=O)(=O)[O-].[Na+]|Image 1 | |
| ||
| Properties | ||
| Molecular formula | C10H5NaO5S | |
| Molar mass | 260.20 g/mol | |
| Hazards | ||
| MSDS | Oxford MSDS | |
 (verify) (what is: / ?)Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa) | ||
| Infobox references | ||
Folin's reagent or sodium 1,2-naphthoquinone-4-sulfonate is a chemical reagent used to measure levels of amines and amino acids.[1] The reagent produces a bright red color in alkaline solutions and is also fluorescent.[2]
This should not be confused with Folin-Ciocalteu reagent, which is a mixture of sodium tungstate and sodium molybdate that is used to detect phenolic compounds.
References
- ↑ Saurina J, Hernández-Cassou S (1994). "Determination of amino acids by ion-pair liquid chromatography with post-column derivatization using 1,2-naphthoquinone-4-sulfonate". Journal of Chromatography A 676 (2): 311–9. doi:10.1016/0021-9673(94)80431-1. PMID 7921184.
- ↑ Kobayashi Y, Kubo H, Kinoshita T (1987). "Fluorometric determination of guanidino compounds by new postcolumn derivatization system using reversed-phase ion-pair high-performance liquid chromatography". Anal. Biochem. 160 (2): 392–8. doi:10.1016/0003-2697(87)90066-2. PMID 3578768.
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