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

4-?????????????

4-?????????????
4-????????????? ??? ???
?? ??:
925-57-5
???:
4-?????????????
???(??):
4-?????????????
???:
4-Hydroxybutanoic acid methyl ester
???(??):
Piracetam Impurity 10;4-Hydroxybutyric acid methyl ester;4-Hydroxybutanoic acid methyl ester;Butanoic acid, 4-hydroxy-, Methyl ester
CBNumber:
CB02355951
???:
C5H10O3
??? ??:
118.13
MOL ??:
925-57-5.mol

4-????????????? ??

?? ?
33 °C(Press: 0.2 Torr)
??
1.054±0.06 g/cm3(Predicted)
?? ??
Hygroscopic, Refrigerator, Under inert atmosphere
???
?????(???? ??), ???????(?? ???), ???(?? ???)
?? ?? (pKa)
14.68±0.10(Predicted)
??? ??
??
??
??~???
???
???
LogP
-0.060

??

4-????????????? C??? ??, ??, ??

??? ??

Clear Oil

??

4-Hydroxybutyric Acid Methyl Ester is a derivative of 4-Hydroxybutyric Acid (H833015 )and it is a reactant used in the preparation of 4-aminothiazolyl analogs of natural product GE2270 A, useful against Clostr idium difficile infection.

4-????????????? ?? ?? ? ???

???

?? ??


4-????????????? ?? ??

???( 51)?? ??
??? ?? ??? ?? ?? ? ??
Shaanxi Dideu Medichem Co. Ltd
+86-29-81148696 +86-15536356810
1022@dideu.com China 3889 58
ZHENGZHOU JIUYI TIME NEW MATERIALS CO,.LTD
+86-13017695106 +86-13676922317
jiuyitime@fdachem.com China 4644 58
Capot Chemical Co.,Ltd.
+8613336195806
sales@capot.com China 29731 60
Henan Tianfu Chemical Co.,Ltd.
+86-0371-55170693 +86-19937530512
info@tianfuchem.com China 21622 55
Accela ChemBio Inc.
+1-858-6993322
info@accelachem.com United States 20975 58
LEAP CHEM CO., LTD.
+86-852-30606658
market18@leapchem.com China 24727 58
LEAPCHEM CO., LTD.
+86-852-30606658
market18@leapchem.com China 43340 58
Nanjing Bicbiotechnology Co., Ltd
+86-2552131256 +86-18251840740
sales@bicbiotech.com China 5994 58
Amadis Chemical Company Limited
571-89925085
sales@amadischem.com China 131957 58
J & K SCIENTIFIC LTD. 18210857532
jkinfo@jkchemical.com China 96815 76

Copyright 2019 ? ChemicalBook. All rights reserved