日本在线观看,亚洲成av人无码综合在线观看,高潮毛片无遮挡高清免费视频,国产手机在线αⅴ片无码观看

訂購電話:4001650900

5-Methylnicotinic acid

Cas:
3222-49-9
Molecular Structure:
MDL:
MFCD00829036
Molecular Formula:
C7H7NO
Molecular Weight:
137.14
Alias:
5-Methylpyridine-3-carboxylic acid
Product order:
Name Specifications Packing Price Delivery
5-Methylnicotinic acid 97% 250mg RMB 319 Consulting service
5-Methylnicotinic acid 97% 1g RMB 1067 Consulting service
5-Methylnicotinic acid 97% 5g RMB 3784 Consulting service
Character:
熔點: 210-215°C
Quality Standard:
外觀Appearance                          白色至褐色色粉末或結(jié)晶
紅外光譜鑒別Infrared spectrometry       Conforms
純度Purity                              ≥97.0% (GC)
純度Purity                              96.5% - 103.5%(中和滴定)  
熔點Melting point                       210°C - 215°C 
Related Products
上海紫一試劑廠   ? 2025 All Rights Reserved      備案號:滬ICP備19037119號-1     
網(wǎng)站地圖:
試劑CAS試劑分類試劑產(chǎn)品實驗儀器耗材分類實驗儀器耗材新聞資訊
   滬公網(wǎng)安備 31012002003055號