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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:nh2 hcl C16 H15 N O3 HOSO3 C18 H30 O C14 H15 N O2 opta 89Sr CH3CH2CH(CH2OH)2 C27 H38 O4 OCl3 c8h7N2o2 ???1?o? C21 H44 N O7 P C11 H17 N O8 C18 H22 N2 O4 Na3P C21H18NO4+ 聚 二甲基 苯醚 C10 H15 N3 O2 双酚A与 1H-Pyrrolo[2,3-c]pyridine 4-[(4-hydroxy-2-pyrimidinyl)amino]benzonitrile C22 H24 N4 O4 Bicyclo[3.1.1]hept-2-ene, 2,6-dimethyl-6-(4-methyl-3-pentenyl)-, [1S-(1a,5a,6a)]- 1,8-Diazabicyclo[5.4.0] 甲基苯并 C14 H11 N O2 5H-Dibenzo[b,e][1,4]diazepine,2-chloro-11-(4-methyl-1-piperazinyl)- C12 H21 N O3 Ethyl orange Benzenesulfonic acid, 4-[(4-diethylamino)phenylazo]-, potassium salt 9-Oxabicyclo[6.1.0]non-4-ene C13 H10 N2 C9 H17 N O C12 H16 C16 H16 N2 O4 C9 H8 N2 O C13 H12 O3 C15 H16 N2 O3 C12 H19 N O4 C11 H15 N O2