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≥99% DTNB CAS:69-78-3 5,5'-Dithiobis(2-nitrobenzoic acid)5,5'-Dithiobis(2-nitrobenzoic acid) CAS:69-78-3 or DTNB is a chemical used to quantify the number or concentration of thiol groups in a sample.
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High Purity HTBA CAS:53279-72-4 3-Hydroxy-2,4,6-triiodobenzoic acid3-Hydroxy-2,4,6-triiodobenzoic acid CAS NO:53279-72-4,usually called HTBA. It's a kind of diagnostic reagent
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cis-1,2,3,6-Tetrahydrophthalic anhydride CAS 935-79-5< It can be used as a modifier of alkyd resin, curing agent for epoxy resin, unsaturated polyester resins, pesticides and pharmaceutical raw materials
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p-hydoxybenzoic acid,monosodium CAS 114-63-6It is use as clinical biochemical test agent.
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5-Chloro-2-nitrobenzoic acid CAS 2516-95-2It is used as pharmaceutical and pesticide intermediates.
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Di-tert-butyl dicarbonate CAS 24424-99-5It is a reagent mainly used for the introduction of the Boc protecting group to amine functionalities.
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SODIUM SALICYLATE CAS 54-21-7It is the active ingredient in aspirin, commonly used as antipyretic, anti-inflammatory and analgesic drug.
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Nadic anhydride CAS 826-62-0/129-64-6It is used in unsaturated polyester resins, it has better air-drying properties, higher heat resistance, smoothness, higher electrical properties, corrosion resistance and mechanical strength than resins made of phthalic anhydride and tetrahydrophthalic anhydride.