L-Arginine, free base L-精氨酸:white crystals Purity: >98.5% mp(dec.): 222°C Loss on drying: <0.5%
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Tetradecyltrimethyl- Ammonium Bromide 溴化肉豆蔻基三甲铵 CAS#1119-97-7 98%
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Methyl Salicylate 水杨酸甲酯 CAS#119-36-8 99.8%
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