久久久久久蜜桃一区二区 欧洲美女大胆潮喷 精品少妇熟女ⅤⅤ免费久久久免费 超碰五月天亚洲论坛

  熱線電話:021-54370211?    

3,4-Dihydroxybenzoic acid

Name 3, 4-dihydroxybenzoic acid

CAS number: 99-50-3

Quality standards: 99%

Package: 25kg/carton

Land: domestic

Details:

Chinese name 3, 4-dihydroxybenzoic acid

The English name is 3, 4-dihydroxybenzoic acid

Chinese aliases of catechin;O-phenyl-4-carboxylic acid;3, 4-dihydroxybenzoic acid

CAS RN 99-50-3

EINECS no. 202-760-0

C7H5O4

The number is 153.1127

Physical and chemical properties The melting point of 198-202 ° C

It is used as a dyestuff and medical intermediates

@ 2016 ShangHaiYaYu Biomedical co.,ltd TEL:021-54370211、54370255、54370355 FAX:021-54370255

子长县| 昌都县| 宁远县| 洞口县| 南陵县| 新绛县| 屏东市| 鹤庆县| 昂仁县| 化州市| 鱼台县| 瑞金市| 山阴县| 达日县| 兴文县| 武陟县| 房山区| 广州市| 喀喇沁旗| 保亭| 镇平县| 高平市| 盐边县| 承德市| 德州市| 易门县| 南开区| 海阳市| 黔江区| 长阳| 建德市| 晋宁县| 白朗县| 精河县| 宁蒗| 高邮市| 汤阴县| 内黄县| 高要市| 湖南省| 永春县|