Potassium tert-butoxide CAS 865-47-4 Potassium tert butyl alcohol, as a strong base, is widely used in condensation, rearrangement and ring opening reactions in chemical, pharmaceutical, pesticide and other organic synthesis.
1,4-Diamino-2-nitrobenzene CAS 5307-14-2, also known as 2-nitro-1,4-phenylenediamine, is an important pharmaceutical raw material that can be used in the synthesis of retigabine and ilaprazole , Izogabine and other drugs.
Protocatechuic acid CAS 99-50-3 Protocatechuic acid (PCA) is 3,4-dihydroxybenzoic acid. It is a simple phenolic acid, which is a precursor for the synthesis of other complex molecules, such as anthocyanin 3-ochemicalbook- β- D-glucoside and vanillin. It is found in edible vegetables, fruits, nuts, brown rice, pecans, tea, hibiscus flowers and some Chinese herbal medicines.
Olivetol CAS 500-66-3 3,5-dihydroxypentyl benzene is an important pharmaceutical intermediate, which was first obtained by degrading lichen acid (also known as d-terpinic acid and amyl lichen phenolic acid) extracted from lichen plants. It is mainly used in laboratory research and development processes and chemical production processes.
Isonicotinic acid CAS 55-22-1 is a white needle-like crystal. Odorless, sublimable. Molecular weight 123.11. Melting point 319 ℃. Slightly soluble in cold water, soluble in Chemicalbook hot water, insoluble in alcohol, benzene and ether. Is an amphoteric compound, both soluble in acid and soluble in alkali. Soluble in hot water and ethanol, slightly soluble in cold water and ether. Stable to heat and oxidation.
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