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D0550 Sigma

3,5-Dinitrosalicylic acid

used in colorimetric determination of reducing sugars

Synonym: 3,5-Dinitro-2-hydroxybenzoic acid, DNS

Properties

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assay   ≥98% (HPLC and titration)
form   powder
mp   168-172 °C(lit.)
solubility   H2O: soluble50 mg/mL

Description

Packaging

10, 25, 100, 500 g in glass bottle

Application

Used in colorimetric determination of reducing sugars1,2 and to analyze glycosidase (glycoside hydrolase) activity by quantitation of enzymatically released reducing sugar. The dinitrosalicylic acid method has been compared to the Nelson-Somogi colorimetric method.3,4

Price and Availability

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