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

??????-5-??-2-???????

??????-5-??-2-???????
??????-5-??-2-??????? ??? ???
?? ??:
4344-84-7
???:
??????-5-??-2-???????
???(??):
??????-5-??-2-???????
???:
Tetrahydro-5-oxo-2- furancarboxyli
???(??):
5-oxooxolane-2-carboxylicaci;Butyrolactonecarboxylic acid;alpha-Hydroxyglutaryl lactone;5-Oxooxolane-2-carboxylic acid;Tetrahydro-5-oxo-2-furoic acid;5-oxo-2-tetrahydrofuranoic acid;etrahydro-5-oxo-2- furancarboxyli;Tetrahydro-5-oxo-2- furancarboxyli;Tetrahydro-5-oxo-2-furancarboxylic acid;gamma-Butyrolactone-gamma-carboxylic acid
CBNumber:
CB61512711
???:
C5H6O4
??? ??:
130.1
MOL ??:
4344-84-7.mol

??????-5-??-2-??????? ??

???
48-50 °C
?? ?
116-118 °C(Press: 1.5 Torr)
??
1.469±0.06 g/cm3(Predicted)
?? ??
Sealed in dry,Room Temperature
???
????? (?? ???), DMSO (?? ???), ?(???)
??? ??
??
??? ??
??? ??
?? ?? (pKa)
3.11±0.20(Predicted)
??
???? ?????
InChI
InChI=1S/C5H6O4/c6-4-2-1-3(9-4)5(7)8/h3H,1-2H2,(H,7,8)
InChIKey
QVADRSWDTZDDGR-UHFFFAOYSA-N
SMILES
O1C(=O)CCC1C(O)=O
??
  • ?? ? ?? ??
  • ?? ? ???? ?? (GHS)
????(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 ??
??????:
P264 ?? ??? ?? ??? ????.
P264 ?? ??? ?? ??? ????.
P280 ????/???/???/?????? ?????.
P302+P352 ??? ??? ??? ?? ????.
P305+P351+P338 ?? ??? ? ?? ?? ???? ????. ???? ?????? ?????. ?? ????.
P321 (…) ??? ???.
P332+P313 ?? ??? ??? ???? ??· ??? ????.
P362 ??? ??? ?? ?? ?? ?????

??????-5-??-2-??????? C??? ??, ??, ??

??

Carboxybutyrolactone is a structural analog of (±)-Paraconic Acid (P191200) and is used as a reagent in the synthesis of methylenecarboxybutyrolactones which have antibacterial activity.

??????-5-??-2-??????? ?? ?? ? ???

???

?? ??


??????-5-??-2-??????? ?? ??

???( 86)?? ??
??? ?? ??? ?? ?? ? ??
Firsky International Trade (Wuhan) Co., Ltd
+8615387054039
admin@firsky-cn.com China 427 58
Henan Fengda Chemical Co., Ltd
+86-371-86557731 +86-13613820652
info@fdachem.com China 20122 58
Capot Chemical Co.,Ltd.
+86-(0)57185586718 +86-13336195806
sales@capot.com China 29640 60
Jinan Carbotang Biotech Co.,Ltd.
+8615866703830
figo.gao@foxmail.com China 8497 58
Accela ChemBio Inc.
+1-858-6993322
info@accelachem.com United States 21193 58
career henan chemical co
+86-0371-86658258 +8613203830695
factory@coreychem.com China 29792 58
Hefei TNJ Chemical Industry Co.,Ltd.
+86-0551-65418671 +8618949823763
sales@tnjchem.com China 34563 58
ANHUI WITOP BIOTECH CO., LTD
+8615255079626
eric@witopchemical.com China 23541 58
Wuhan wingroup Pharmaceutical Co., Ltd
+86-13296627870; +8613296627870
info@whwingroup.com China 695 58
Labnetwork lnc.
+86-27-50766799 +8618062016861
contact@labnetwork.com China 19987 58

??????-5-??-2-??????? ?? ??:

Copyright 2019 ? ChemicalBook. All rights reserved
宝清县| 青岛市| 仲巴县| 金坛市| 富顺县| 宕昌县| 从化市| 崇礼县| 名山县| 锡林浩特市| 甘谷县| 虹口区| 崇左市| 朔州市| 驻马店市| 延吉市| 开平市| 忻州市| 开远市| 松潘县| 潞西市| 泸定县| 牟定县| 得荣县| 清镇市| 江津市| 铜川市| 炉霍县| 罗定市| 彭州市| 利辛县| 含山县| 保定市| 丰镇市| 鹿泉市| 泾源县| 股票| 南投市| 通江县| 汪清县| 泾源县|