ChemicalBook >?? ???? >?? ???>??? ?? ?? ???>?? ???>3,4-DIMETHYLUMBELLIFERONE

3,4-DIMETHYLUMBELLIFERONE

3,4-DIMETHYLUMBELLIFERONE ??? ???

?? ??:: 2107-78-0

???:: 3,4-DIMETHYLUMBELLIFERONE

???(??):: PICU-002;Propamocarb Impurity 2;3,4-DIMETHYLUMBELLIFERONE;DIMETHYLUMBELLIFERONE,3,4-;3,4-Dimethylumbelliferone ,98%;DIMETHYLUMBELLIFERONE,3,4-(RG);3,4-DIMETHYL-7-HYDROXYCOUMARIN;7-hydroxy-3,4-dimethyl-coumarin;7-hydroxy-3,4-dimethyl-2-chromenone;7-HYDROXY-3,4-DIMETHYL-CHROMEN-2-ONE

CBNumber:: CB6777823

???:: C11H10O3

??? ??:: 190.2

MOL ??:: 2107-78-0.mol

?? ?? 33

3,4-DIMETHYLUMBELLIFERONE ??

???: 256℃

?? ?: 377.1±37.0 °C(Predicted)

??: 1+-.0.06 g/cm3(Predicted)

???: ???: ???

??? ??: ??

??? ??: ??? ??

?? ?? (pKa): 8.11±0.20(Predicted)

??: ???? ?????

?? ? ?? ??
?? ? ???? ?? (GHS)

?????	22-24/25
WGK ??	3
F ??????	8
?? ??	IRRITANT
HS ??	29329990

????(GHS):

?? ?:

Warning

??·?? ??:

??	??·?? ??	?? ??	??	?? ?	P- ??
H303	??? ??? ? ??	?? ?? ?? - ??	?? 5		P312
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	?? ??? ? ?? ?? ???? ????. ???? ?????? ?????. ?? ????.
P312	???? ??? ????(??)? ??? ????.
P321	(…) ??? ???.
P332+P313	?? ??? ??? ???? ??· ??? ????.
P362	??? ??? ?? ?? ?? ?????

3,4-DIMETHYLUMBELLIFERONE C??? ??, ??, ??

??? ??

White crystalline

??

3,4-Dimethylumbelliferone (cas# 2107-78-0) is a compound useful in organic synthesis.

Synthesis Reference(s)

Journal of Medicinal Chemistry, 41, p. 1068, 1998 DOI: 10.1021/jm970527v

3,4-DIMETHYLUMBELLIFERONE ?? ?? ? ???

???

????? ???? ??????????????? ??

?? ??

3,4-DIMETHYLUMBELLIFERONE ?? ??

???( 33)?? ??

???	??	???	??	?? ?	??
Dideu Industries Group Limited	+86-29-89586680 +86-15129568250	1059@dideu.com	China	29096	58
Amadis Chemical Company Limited	571-89925085	sales@amadischem.com	China	131885	58
J & K SCIENTIFIC LTD.	18210857532 18210857532	jkinfo@jkchemical.com	China	96815	76
Meryer (Shanghai) Chemical Technology Co., Ltd.	4006356688 18621169109	market03@meryer.com	China	40202	62
MQ (shanghai) Pharmaceuticals Co., Ltd.	13761635123	sales@linyuepharm.com	China	5694	55
Aikon International Limited	025-58859352 13913916777	dt3@aikonchem.com	China	15490	58
Guangdong Wengjiang Chemical Reagent Co., Ltd.	0751-2886766 13927870850	3001267247@qq.com	China	9939	58
Energy Chemical	021-58432009 400-005-6266	marketing1@energy-chemical.com	China	44924	58
Shanghai Sunway Pharmaceutical Technology Co.,Ltd.	13611835272 13611835272	mmwang@sunwaypharm.com	China	44091	58
Shaanxi Dideu Medichem Co. Ltd	029-81024372 17792795018	1053@dideu.com	China	10000	58

3,4-DIMETHYLUMBELLIFERONE ?? ??:

??? 4 7-(?????)-4-??-2-????? 7-????-3,4,8-??????? ?????? AFLATOXIN G2 AFLATOXIN B2 AFLATOXIN G1 4-METHYLUMBELLIFERYL PHOSPHATE 4-Methylumbelliferyl beta-D-galactoside 4-METHYLUMBELLIFERYL-2-ACETAMIDO-2-DEOXY-ALPHA-D-GLUCOPYRANOSIDE 4-METHYLUMBELLIFERYL HEPTANOATE Aflatoxin AFLATOXIN M2 4-METHYLUMBELLIFERYL-BETA-D-XYLOPYRANOSIDE 4-Methylumbelliferyl-beta-D-glucuronide 4-METHYLUMBELLIFERYL-ALPHA-L-FUCOPYRANOSIDE 4-Methylumbelliferyl-beta-D-glucopyranoside AFLATOXIN, B1, [3H(G)]

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