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Tannic Acid
1) Appearance: yellowish or brownish irregular powder2) Property: oxidized with deeper color and bitter taste when exposed to air, odorless; soluble in water, ethanol, acetone, and ethyl acetate3) CAS no.: 1401-55-4
1) Product name: 1,2,3-trimethoxybenzene2) Appearance: white crystal powder3) CAS no.: 634-36-64) Assay: ≥99.0%5) Melting point: 43-45°CPacking:Polyethylene film bag enclosed in fiber drum,
1) Appearance: white crystal powder2) CAS no.: 1916-07-03) Assay: ≥99.0%4) Melting Point: 80-84°CPacking:Polyethylene film bag enclosed in fiber drum, 25kg/drum
1) Product name: 3,4,5-trimethoxybenzaldehyde2) CAS: 86-81-73) Appearance: white or yellowish white powder4) Assay: ≥99.0%5) Melting point: 73-75°CPacking:Polyethylene film bag enclosed in
1) Appearance: white crystal powder2) Assay: ≥98.0%3) Melting point: 195-202°CUsage: used as a precursor for synthesizing steroid hormone drugs of various kinds.Packing:Polyethylene film ba
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