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

3-(??????)-5-????????

3-(??????)-5-????????
3-(??????)-5-???????? ??? ???
?? ??:
871332-79-5
???:
3-(??????)-5-????????
???(??):
3-(??????)-5-????????
???:
3-(ETHYLCARBAMOYL)-5-NITROPHENYLBORONIC ACID
???(??):
N-ethyl 3-borono-5-nitrobenzamide;3-ethylcarbamoyl-5-nitrobenzeneboronic acid;3-(ETHYLCARBAMOYL)-5-NITROPHENYLBORONIC ACID;3-EthylcarbaMoyl-5-nitrobenzeneboronic acid, 98%;3-(N-ETHYLAMINOCARBONYL)-5-NITROPHENYLBORONIC ACID;3-(N-ETHYLAMINOCARBONYL)-5-NITROBENZENEBORONIC ACID;3-(N-Ethylaminocarbonyl)-5-nitrobenzeneboronicacid98%;B-[3-[(Ethylamino)Carbonyl]-5-Nitrophenyl]-Boronic Acid;3-(N-Ethylaminocarbonyl)-5-nitrobenzeneboronic acid 98%;Boronic acid, B-[3-[(ethylamino)carbonyl]-5-nitrophenyl]-
CBNumber:
CB1782598
???:
C9H11BN2O5
??? ??:
238.01
MOL ??:
871332-79-5.mol

3-(??????)-5-???????? ??

???
187-191
??
1.37±0.1 g/cm3(Predicted)
?? ??
Sealed in dry,2-8°C
?? ?? (pKa)
6.35±0.10(Predicted)
CAS ??????
871332-79-5
??
  • ?? ? ?? ??
  • ?? ? ???? ?? (GHS)
??? ?? Xi
?? ?? ?? Irritant/Keep Cold
HS ?? 2931900090
????(GHS): Exclamation Mark (GHS07)
?? ?: Warning
??·?? ??:
?? ??·?? ?? ?? ?? ?? ?? ? ?? ?? P- ??
H315 ??? ??? ??? ????? ?? ????? ?? 2 ?? P264, P280, P302+P352, P321,P332+P313, P362
H319 ?? ?? ??? ??? ?? ? ?? ?? ??? ?? ?? 2A ?? P264, P280, P305+P351+P338,P337+P313P
H335 ?? ???? ??? ? ?? ?? ???? ?? - 1? ??;???? ?? ?? 3 ??
??????:
P261 ??·?·??·???·??·...·????? ??? ????.
P304+P340 ???? ??? ??? ?? ??? ??? ???? ?? ??? ??? ????.
P305+P351+P338 ?? ??? ? ?? ?? ???? ????. ???? ?????? ?????. ?? ????.
P405 ???? ?????.
NFPA 704
0
2 0

3-(??????)-5-???????? C??? ??, ??, ??

3-(??????)-5-???????? ?? ?? ? ???

???

?? ??


3-(??????)-5-???????? ?? ??

???( 38)?? ??
??? ?? ??? ?? ?? ? ??
Alchem Pharmtech,Inc.
8485655694
sales@alchempharmtech.com United States 63687 58
Wuhan Chemwish Technology Co., Ltd
027-67849912
sales@chemwish.com CHINA 10821 58
Antai Fine Chemical Technology Co.,Limited
18503026267
info@antaichem.com CHINA 9636 58
HANGZHOU CLAP TECHNOLOGY CO.,LTD
86-571-88216897,88216896 13588875226
sales@hzclap.com CHINA 6312 58
Shanghai UCHEM Inc.
+862156762820 +86-13564624040
sales@myuchem.com China 8807 58
Henan Alfa Chemical Co., Ltd
+8615838112936
sale03@alfachem.cn China 9804 58
Aladdin Scientific

tp@aladdinsci.com United States 52923 58
DAYANG CHEM (HANGZHOU) CO.,LTD
+86-88938639 +86-17705817739
info@dycnchem.com China 53803 58
Amadis Chemical Company Limited
571-89925085
sales@amadischem.com China 131956 58
J & K SCIENTIFIC LTD. 18210857532; 18210857532
jkinfo@jkchemical.com China 96815 76

3-(??????)-5-???????? ?? ??:

Copyright 2019 ? ChemicalBook. All rights reserved
娱乐| 额尔古纳市| 浦北县| 韶关市| 镇赉县| 措美县| 武穴市| 门头沟区| 江安县| 龙海市| 泾源县| 萝北县| 广昌县| 青铜峡市| 安国市| 含山县| 花垣县| 宝兴县| 渭源县| 枣庄市| 黑河市| 化德县| 屯留县| 南和县| 巨鹿县| 陈巴尔虎旗| 闻喜县| 阜阳市| 佛学| 银川市| 松阳县| 柘荣县| 宜阳县| 互助| 贞丰县| 永德县| 福泉市| 兴义市| 朝阳市| 固阳县| 崇礼县|