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Niacinamide PYRIDINE-3-carboxamide CAS 98-92-0

Niacinamide PYRIDINE-3-carboxamide CAS 98-92-0
colorless Related Substances Comply Readilycarbonizable Color less than controlled liquid PH 5.5-7.5 Loss on drying ≤0.50% Residue on ignition ≤0.10% Heavy metals(Pb) ≤0.002% Streptomycesendus NMT ...

4-ISOPROPYL-3-Methylphenol O-CYMEN-5-ol Supplier CAS 3228-02-2 Jinan Huashihang Chemical Co.,Ltd

4-ISOPROPYL-3-Methylphenol O-CYMEN-5-ol Supplier CAS 3228-02-2 Jinan Huashihang Chemical Co.,Ltd
color develops. (3)add 5ml of a solution of sodium hydroxide (1→10) to 1g sample. And heat on a water bath. a colorless or light yellow liquid is available. And add 2 to 3 drops of chloroform to this ...
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