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

2020国产欧洲精品网站,亚洲欧洲中文日韩av乱码
會(huì)員登錄
請(qǐng)登錄您的生意號(hào)，獲取電子名片。便于轉(zhuǎn)發(fā)分享！
取消
會(huì)員登錄
請(qǐng)登錄您的生意號(hào)，獲取電子名片。便于轉(zhuǎn)發(fā)分享！
取消
2-Cyanomethylbenzimidazole
2-Cyanomethylbenzimidazole
Product Category:Midazole and its derivatives

№C202
CAS Rn:【4414-88-4】
Molecular weight: 157.18
Simple formula: C9H7N3
Chemical structure formula:2-Cyanomethylbenzimidazole
SPECIFICATIONS:
Appearance : Crystals
Colour : yellow
Purity : 98.0% min （HPLC）
Melting point : 207～212℃
Loss on drying : 0.5% max
Packing : In 25kg net drum with PE liners

Home

Home
News information

News
About Us

About Us
Products

Products
Contact Us

Contact Us