午夜插插,噜噜噜影院,啪啪伊人网,欧美熟夫,景甜吻戏视频,男人强操性感蕾丝美女视频在线网站,日本美女跳舞视频

(????????)?????? ?????

(????????)?????? ?????
(????????)?????? ????? ??? ???
?? ??:
5187-82-6
???:
(????????)?????? ?????
???(??):
(????????)???????????;(?????????)???????????
???:
(ETHOXYCARBONYLMETHYL)DIMETHYLSULFONIUM BROMIDE
???(??):
RMA-299;(2-ethoxy-2-oxoethyl)-dimethylsulfanium;carbethoxymethyl-dimethylsulfoniumbromide;(carbethoxymethyl)dimethyl-sulfoniubromide;(carboethoxymethyl)dimethylsulfonium bromide;Dimethyl(2-oxo-2-ethoxyethyl)sulfonium·bromide;(2-Oxo-2-ethoxyethyl)dimethylsulfonium·bromide;(2-ethoxy-2-oxoethyl)dimethylsulphonium bromide;(ETHOXYCARBONYLMETHYL)DIMETHYLSULFONIUM BROMIDE;(2-ethoxy-2-oxoethyl)-dimethylsulfanium bromide
CBNumber:
CB6485744
???:
C5H11BrO2S
??? ??:
215.11
MOL ??:
5187-82-6.mol
MSDS ??:
SDS

(????????)?????? ????? ??

???
90-94 °C (lit.)
?? ??
2-8°C, sealed storage, away from moisture
??? ??
??? ??
??
???
BRN
4161472
??
  • ?? ? ?? ??
  • ?? ? ???? ?? (GHS)
??? ?? Xi
?? ???? ?? 36/37/38
????? 26-36
????(UN No.) UN 3448 6.1/PG 2
WGK ?? 3
RTECS ?? WR7600000
HS ?? 2930909899
????(GHS): GHS hazard pictograms
?? ?: Warning
??·?? ??:
?? ??·?? ?? ?? ?? ?? ?? ? ?? ?? P- ??
H315 ??? ??? ??? ????? ?? ????? ?? 2 ?? GHS hazard pictograms P264, P280, P302+P352, P321,P332+P313, P362
H319 ?? ?? ??? ??? ?? ? ?? ?? ??? ?? ?? 2A ?? GHS hazard pictograms P264, P280, P305+P351+P338,P337+P313P
H335 ?? ???? ??? ? ?? ?? ???? ?? - 1? ??;???? ?? ?? 3 ?? GHS hazard pictograms
??????:
P261 ??·?·??·???·??·...·????? ??? ????.
P264 ?? ??? ?? ??? ????.
P264 ?? ??? ?? ??? ????.
P271 ?? ?? ??? ? ?? ???? ?????.
P280 ????/???/???/?????? ?????.
P302+P352 ??? ??? ??? ?? ????.
P305+P351+P338 ?? ??? ? ?? ?? ???? ????. ???? ?????? ?????. ?? ????.
NFPA 704
1
2 1

(????????)?????? ????? C??? ??, ??, ??

??

(Ethoxycarbonylmethyl)dimethylsulfonium bromide was used in synthesis of α-sulfanyl-β-amino acid derivatives by using nanocrystalline magnesium oxide. It was used during cyclopropanation of (-)-(S)-2-(p-tolylsulfinyl)cyclopent-2-enone.

(????????)?????? ????? ?? ?? ? ???

???

?? ??


(????????)?????? ????? ?? ??

???( 80)?? ??
??? ?? ??? ?? ?? ? ??
Shandong chuangyingchemical Co., Ltd.
18853181302
sale@chuangyingchem.com CHINA 5906 58
CONIER CHEM AND PHARMA LIMITED
+8618523575427
sales@conier.com China 49733 58
Shaanxi Dideu Medichem Co. Ltd
+86-29-87569266 15319487004
1015@dideu.com China 3974 58
Career Henan Chemica Co
+86-0371-86658258 +8613203830695
laboratory@coreychem.com China 30230 58
LEAP CHEM CO., LTD.
+86-852-30606658
market18@leapchem.com China 24727 58
PNP Biotech Co. Ltd
+8618516098983
sales@pnpbiotech.com China 1001 58
Aladdin Scientific

tp@aladdinsci.com United States 57505 58
XIAMEN AMITY INDUSTRY AND TRADE CO., LTD.
+8618950047208
ellena@amitychem.com China 43416 58
DAYANG CHEM (HANGZHOU) CO.,LTD
+86-88938639 +86-17705817739
info@dycnchem.com China 53900 58
Alfa Aesar 400-6106006
saleschina@alfa-asia.com China 30123 84

(????????)?????? ????? ?? ??:

Copyright 2019 ? ChemicalBook. All rights reserved