一二三四区视频,亚洲少妇熟女色,日本久热无码视频网,欧美国产日韩大尺度,亚洲a视频,久久少妇一区二区,日韩999无码视频,刺激久久久久久久,啊啊啊啊不要啊在线

Welcome to chemicalbook!
Chinese English Japanese Germany Korea
010-86108875
Try our best to find the right business for you.
Do not miss inquiry messages Please log in to view all inquiry messages.

Welcome back!

ChemicalBook CAS DataBase List UREA, [14C]
594-05-8

UREA, [14C] synthesis

2synthesis methods
-

Yield:-

Reaction Conditions:

with sulfuric acid in not given;sublimation in vac. at 60 until 70°C at 0.01 Torr; recrystn. from isoamyl alcohol at -30°C then from acetone at -40°C;

References:

Murray;Ronzio [Journal of the American Chemical Society,1949,vol. 71,p. 2245] [Gmelin Handbuch der Anorganischen Chemie,Gmelin Handbook: C: MVol.D1, 45.1.11, page 399 - 401] US57926,1951,A [C.A.,1952,p. 3561]

UREA, [14C] Related Search:

嘉义市| 大新县| 沈阳市| 张家界市| 巩留县| 尼木县| 金坛市| 深泽县| 泾源县| 巴里| 蓬莱市| 阿瓦提县| 嘉峪关市| 昭平县| 墨江| 襄汾县| 清镇市| 永胜县| 焦作市| 普定县| 惠州市| 五指山市| 南安市| 郓城县| 凤台县| 大同县| 新蔡县| 平遥县| 砚山县| 望江县| 九龙城区| 汶川县| 榆社县| 永善县| 武穴市| 乡宁县| 开江县| 敦化市| 横山县| 邵阳县| 樟树市|