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1,3-Dimethylbarbituric acid ≥98.5%, GPR RECTAPUR®

Artikel nummer : (88368.180)

Leverantör: VWR Chemicals

Beskrivning: 1,3-Dimethylbarbituric acid ≥98.5%, GPR RECTAPUR®

UOM: 1 * 100 g

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1,3-Dimethylbarbituric acid för syntes, Sigma-Aldrich®

Leverantör: Merck

Beskrivning: 1,3-Dimethylbarbituric acid för syntes, Sigma-Aldrich®

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1,3-Dimethylbarbituric acid ≥98.0% (by GC, titration analysis)

Leverantör: TCI EUROPE

Beskrivning: 1,3-Dimethylbarbituric acid ≥98.0% (by GC, titration analysis)

5-Acetyl-1,3-dimethylbarbituric acid ≥98.0% (by GC, titration analysis)

Artikel nummer : (TCIAA2555-5G)

Leverantör: TCI EUROPE

Beskrivning: 5-Acetyl-1,3-dimethylbarbituric acid ≥98.0% (by GC, titration analysis)

UOM: 1 * 5 g

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1,3-Dimethylbarbituric acid 98%

Leverantör: Thermo Scientific

Beskrivning: 1,3-Dimethylbarbituric acid 98%

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4-Formylbenzene-1,3-disulphonic acid disodium salt hydrate 97%, Sigma-Aldrich®

Leverantör: SIGMA-ALDRICH MICROSCOPY

Beskrivning: 4-Formylbenzene-1,3-disulfonic acid disodium salt hydrate,97% (Benzaldehyde 2,4-disulfonic acid disodium salt; Sodium 4-formylbenzene-1,3-disulfonate).

1,3-dihydroxnaftalenlösning ≥99.00%, crystalline, Sigma-Aldrich®

Leverantör: SIGMA-ALDRICH MICROSCOPY

Beskrivning: 1,3-Dihydroxynaphthalene is a dye intermediate forming stable colors when applied with particular mordants and in mixtures with other oxidising dyes. This specific reagent is intended for the quantitative colorimetric determination of alduronic acids, such as glucuronic acid from urine. The mutagenicity of ozonation derivatives of 1,3-dihydroxynaphthalene against several Salmonella typhimurium strains has been studied.