日本欧美一区二区三区在|国内日韩免费在线一级片|亚洲精品无码国产日韩二三区|影视先锋AV中文字幕|好看的黄色网站欧美-大影AV

2021精品一级毛片一区二区,亚洲色精品一区二区色欲AV,制服丝袜中文字幕亚洲欧美

日本欧美一区二区三区在|国内日韩免费在线一级片|亚洲精品无码国产日韩二三区|影视先锋AV中文字幕|好看的黄色网站欧美-大影AV

會員登錄
請登錄您的生意號,獲取電子名片。便于轉發分享!
取消
會員登錄
請登錄您的生意號,獲取電子名片。便于轉發分享!
取消
4-Quinolinecarboxaldehyde
4-Quinolinecarboxaldehyde
Product Category:Quinoline and its derivatives

№B402
CAS Rn:【4363-93-3】
Molecular weight: 157.17
Simple formula: C10H7NO
Chemical structure formula:4-Quinolinecarboxaldehyde
SPECIFICATIONS:
Appearance : crystal
Colour : Browm
Purity : 97.0% min (HPLC)
Melting point : 45~52℃
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