久久九九久精品国产首页_欧美日韩在线不卡高清视频_国产精品网曝门在线观看_P2020国产精品久久精品

  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

英超| 茂名市| 宁国市| 城口县| 平山县| 山丹县| 昆明市| 溧水县| 台南县| 寿阳县| 社会| 定南县| 贵溪市| 城步| 临海市| 北海市| 边坝县| 怀柔区| 溆浦县| 祁连县| 宝应县| 囊谦县| 湟中县| 弥勒县| 淮南市| 永福县| 武城县| 靖州| 浦北县| 大荔县| 奉化市| 海兴县| 清原| 兴业县| 图们市| 渭源县| 揭西县| 岫岩| 茂名市| 云南省| 内乡县|