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CAS登录号 中文名 英文名 分子结构式 分子式 详情 供应商
497-23-42(5H)-呋喃酮2(5H)-Furanone;
Furan-2(5H)-one;
2-Buten-1,4-olide		CAS:497-23-4分子结构C4H4O2详情供应商
590-93-22-丁炔酸2-Butynoic acid;
Tetrolic acid		CAS:590-93-2分子结构C4H4O2详情供应商
674-82-8二乙烯酮;
双乙烯酮		Acetyl ketene;
4-Methylene-2-oxetanone;
Diketene;
But-3-en-3-olide		CAS:674-82-8分子结构C4H4O2详情供应商
922-67-8丙炔酸甲酯Methyl propiolate;
2-Propynoic acid methyl ester;
Methyl acetylenecarboxylate		CAS:922-67-8分子结构C4H4O2详情供应商
28755-65-9Furanol;
Furylalcohol		CAS:28755-65-9分子结构C4H4O2详情供应商
33689-28-01,2-环丁二酮;
1,2-环丁二酮;
1,2-Cyclobutanedione;
1,2-Cyclobutanedione		CAS:33689-28-0分子结构C4H4O2详情供应商
15506-53-31,3-CyclobutanedioneCAS:15506-53-3分子结构C4H4O2详情供应商
290-67-51,4-Dioxin;
p-Dioxin(6CI,7CI,8CI);
1,4-Dioxacyclohexa-2,5-diene		CAS:290-67-5分子结构C4H4O2详情供应商
289-87-21,2-Dioxin;
o-Dioxin(8CI);
1,2-Dioxacyclohexadiene		CAS:289-87-2分子结构C4H4O2详情供应商
2363-83-9?丁烯二醛;
?丁烯二醛;
2-Butenedial;
1,2-Ethenedicarboxaldehyde;
2-Butene-1,4-dione;
Butenedial		CAS:2363-83-9分子结构C4H4O2详情供应商
22125-63-92-Furanol;
2-Furylalcohol;
2-Hydroxyfuran		CAS:22125-63-9分子结构C4H4O2详情供应商
92279-91-92-Cyclopropen-1-one,2-(hydroxymethyl)-;
Penitricin;
Ro 09-0804		CAS:92279-91-9分子结构C4H4O2详情供应商
2345-51-93-Butynoic acid;
2-Ethynylaceticacid		CAS:2345-51-9分子结构C4H4O2详情供应商
3511-31-73(2H)-Furanone;
2,3-Dihydro-3-furanone;
2H-Furan-3-one;
Furenidone		CAS:3511-31-7分子结构C4H4O2详情供应商
16979-06-93-Butenal, 2-oxo-;
2-Oxo-3-butenal;
Vinylglyoxal		CAS:16979-06-9分子结构C4H4O2详情供应商
3675-13-62-BUTENEDIAL, (Z)-CAS:3675-13-6化学结构C4H4O2详情供应商
热门搜关键词:HCOOCONH2 CAS 000 间乙氧基-N,N-二乙基苯胺 2-甲基-1-(4-甲硫基苯基)-2-吗啉 hopenone po 500 carc TAGN Trihydroxybenzene versicolorin passiflora diazonium tetrafluoroborate polymer with ethenyl acetate cotton cas bis(phenylmethyl) methoxyphenanthrene C14H9O2N1 C7H6N4O6 3-二甲基-1-戊烯 butadienyl 三(2,2,6,6-四甲基-3,5-庚二酮酸) 苯乙氧基 虾 49:1 1-Butene, 4-bromo-3,3,4,4-tetrafluoro- 1-chloro-2-methoxybenzene 蜜胺甲醛 2-imidazolin-1-yl 1S/C15H24/c1-11(2)13-7-9-15(4)8-5-6-12(3)14(15)10-13/h13H,1,5-10H2,2-4H3 二甲基硅烷醇 4-Chloro-N-methylbenzenesulphonamide Bis(trichloromethyl) Sulfone heptadiene mast C6H8O3N2S [C2mim][CH3CO2] 6,7-Dihydro-6-Mercapto-5H-Pyrazolo[1,2-A][1,2,4]Triazolium Chloride 2-mercaptoethyl oleate 3,5-dimethylbenzene 氟 羟基 1-METHYL-4-NITRO-3-PROPYLPYRAZOLE-5-CARBOXAMIDE