1,3-Diiminoisoindoline ≥97%, Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
1,3-Diiminoisoindoline,97% (1,3-Isoindolinediimine; Phthalimide diimide)
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1,3-Propanediol 99,7, GPR RECTAPUR® zS
Supplier: VWR Chemicals
1,3-Propanediol 99,7, GPR RECTAPUR® zS
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1,3-Dihydroxynaphthalene ≥99.00%, crystalline, Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
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.
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(±)-1,3-Butanediol 99,5, GPR RECTAPUR®
Supplier: VWR Chemicals
(±)-1,3-Butanediol 99,5, GPR RECTAPUR®
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1,3-Dioxolane ≥99.0% stabilised, GPR RECTAPUR® for synthesis
Supplier: VWR Chemicals
1,3-Dioxolane ≥99.0% stabilised, GPR RECTAPUR® for synthesis
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1,3-Dimethyl-2-imidazolidinone ≥99.5%, PESTINORM® for headspace gas chromatography
Supplier: VWR Chemicals
1,3-Dimethyl-2-imidazolidinone ≥99.5%, PESTINORM® for headspace gas chromatography
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1,3-Dimethyl-2-imidazolidinone 99, GPR RECTAPUR®
Supplier: VWR Chemicals
1,3-Dimethyl-2-imidazolidinone 99, GPR RECTAPUR®
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1,3-Dimethylbarbituric acid 98,5, GPR RECTAPUR®
Supplier: VWR Chemicals
1,3-Dimethylbarbituric acid 98,5, GPR RECTAPUR®
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4-Formylbenzene-1,3-disulphonic acid disodium salt hydrate 97%, Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
4-Formylbenzene-1,3-disulfonic acid disodium salt hydrate,97% (Benzaldehyde 2,4-disulfonic acid disodium salt; Sodium 4-formylbenzene-1,3-disulfonate).
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1,3-Diphenylacetone-p-toluenesulphonylhydrazone ≥98%, Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
1,3-Diphenylacetone-p-toluenesulphonylhydrazone ≥98%, Sigma-Aldrich®
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1,3-Cyclopentanedione 99%
Supplier: Thermo Fisher Scientific
1,3-Cyclopentanedione 99%
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1,3-Dioxolane 99.5+% stabilised, pure
Supplier: Thermo Fisher Scientific
1,3-Dioxolane 99.5+% stabilised, pure