DL-Naproxen CAS No. 22204-53-1

DL-Naproxen

Chinese name English name DL-Naproxen DL- naproxen

CAS No. 22204-53-1

The molecular formula C14H14O3 with molecular weight of 230

Appearance: white or white solid block

Naphthoic acid NMT 0.5% naphthalene ethylene oxime NMT 0.2%

Acetonaphthone NMT 0.2% other total impurities NMT 0.5%

Melting point 153-158 dry weight loss NMT 0.5%

Heavy metal residue on ignition NMT 10ppm NMT 0.3%

Content is more than 98.5%

Use of pharmaceutical intermediates, intermediates of naproxen.

25KG/ cardboard packaging



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