在线观看视频免费完整版,人人超人人超碰超国产香蕉,国产色综合色产在线视频,欧洲亚洲色视频综合在线,欧洲亚洲色视频综合在线

№A701
CAS Rn: [6960-42-5]
Molecular weight: 162.14
Simple formula: C₈H₆N₂O₂
Chemical structure formula:
SPECIFICATIONS:
Appearance: crystal
Colour: yellow
Purity: 99.0% min (HPLC)
Impurity
5-Nitroindole: 0.5% max
Melting point: 94~96°C
Loss on drying: 0.5% max
Packing: In 25kg net drum with aluminium film bag liners