| 1 | 57323-59-8 | butenol | butenol | C4H8O
| | |
| 2 | 78-93-3 | 2-丁酮 | 2-Butanone | C4H8O
| 生物化学;农药中间体;食品添加剂;杀螨剂中间体;无机化合物和盐;食用香料（增香剂）;基因组学和分子诊断 | |
| 3 | 26249-20-7 | epoxybutane | epoxybutane | C4H8O
| | |
| 4 | 2919-23-5 | 环丁醇 | Cyclobutanol | C4H8O
| 醇;有机砌块;通用试剂;医药中间体;其它含氧化合物;环氧丁烯衍生物 | |
| 5 | 123-72-8 | 丁醛 | Butyraldehyde | C4H8O
| 醛;化工;醛类;芳香醛;正丁醛;通用试剂;生化试剂;化工材料;日化原料;无机酸类 | 树脂中间体;塑料;杀虫剂 |
| 6 | 59915-64-9 | 2-ethyloxirane | 2-ethyloxirane | C4H8O
| | |
| 7 | 106-88-7 | 1,2-环氧丁烷 | 1,2-epoxybutane | C4H8O
| 溶剂;化工原料;定制化学品;试剂和补充物;烷烃类化学品;有机化工原料;精细化工，有机化学原料 | |
| 8 | 116-11-0 | 2-甲氧基丙烯 | 2-Methoxypropene | C4H8O
| 烯;烯烃;烷烃;中间体;有机原料;化工原料;有机化工;化工材料;其他生化试剂;有机化工原料 | 医药中间体 |
| 9 | 109-92-2 | 乙烯基乙醚 | Ethyl Vinyl Ether | C4H8O
| 醚;中间体;通用试剂;专业烯烃;乙烯基醚;化学试剂;日化原料;化工原料;医药原料;化工材料 | 医药中间体 |
| 10 | 627-40-7 | 3-甲氧基-1-丙烯 | Allyl Methyl Ether | C4H8O
| 合成;其它含氧化合物 | |
| 11 | 1758-33-4 | 顺式-2,3-氯丁烯 | CIS-2,3-EPOXYBUTANE | C4H8O
| | |
| 12 | 2516-33-8 | 环丙基甲醇 | Cyclopropyl carbinol | C4H8O
| 醇;通用试剂;有机砌块;有机合成;化工原料;有机化工原料;环氧丁烯衍生物;其它含氧化合物 | 有机合成 |
| 13 | 21490-63-1 | 反-2,3-环氧丁烷 | Trans-2,3-Epoxybutane | C4H8O
| | |
| 14 | 513-42-8 | 甲代烯丙基醇 | 2-Methyl-2-propen-1-ol | C4H8O
| 有机原料;醇类化合物 | 有机合成 |
| 15 | 30608-62-9 | (S)-(-)-1,2-环氧丁烷 | (S)-(-)-1,2-Epoxybutane | C4H8O
| 烷;化工;环氧化物;有机砌块;通用试剂;有机化工 | |
| 16 | 29526-99-6 | 1-甲基环丙醇 | 1-Methylcyclopropan-1-ol | C4H8O
| | |
| 17 | 60153-90-4 | 1-Methyl-d3-cyclopropanol | 1-Methyl-d3-cyclopropanol | C4H8O
| | |
| 18 | 4303-51-9 | 异丁醛-2-D1 | 2-deuterio-2-methylpropanal | C4H8O
| | |
| 19 | 43094-71-9 | Oxirane, polymer with ethene | Oxirane, polymer with ethene | C4H8O
| | |
| 20 | 1758-32-3 | (2R,3R)-2,3-EPOXYBUTANE TRANS | (2R,3R)-2,3-EPOXYBUTANE TRANS | C4H8O
| | |
| 21 | | Tetrahydrofuran HPLC Optigrade | Tetrahydrofuran HPLC Optigrade | C4H8O
| | |
| 22 | | ISO BUTYRALDEHYDE FOR SYNTHESIS | ISO BUTYRALDEHYDE FOR SYNTHESIS | C4H8O
| | |
| 23 | 1219805-67-0 | Cyclopropyl--d4-Methyl-d2 Alcohol | Cyclopropyl--d4-Methyl-d2 Alcohol | C4H8O
| | |
| 24 | | (2S 3S)-2 3-EPOXYBUTANE (TRANS) 97% | (2S 3S)-2 3-EPOXYBUTANE (TRANS) 97% | C4H8O
| | |
| 25 | | 2-BUTANONE 1X1ML MEOH:WATER(90:10) 5& | 2-BUTANONE 1X1ML MEOH:WATER(90:10) 5& | C4H8O
| | |
| 26 | | TETRAHYDROFURAN (DRY- LOW WATER CONTENT) | TETRAHYDROFURAN (DRY- LOW WATER CONTENT) | C4H8O
| | |
| 27 | | SCHARLAU HPLC四氢呋喃,无稳定剂 | Tetrahydrofuran, HPLC grade, without stabilizer | C4H8O
| Scharlau HPLC | |
| 28 | | TETRAHYDROFURAN SOLUTION 100UG/ML IN METHANOL 1ML | TETRAHYDROFURAN SOLUTION 100UG/ML IN METHANOL 1ML | C4H8O
| | |
| 29 | | TETRAHYDROFURAN SOLUTION 100UG/ML IN METHANOL 5X1ML | TETRAHYDROFURAN SOLUTION 100UG/ML IN METHANOL 5X1ML | C4H8O
| | |
| 30 | | 2-BUTANONE SOLUTION 100UG/ML IN METHANOL:WATER (90:10) 5ML | 2-BUTANONE SOLUTION 100UG/ML IN METHANOL:WATER (90:10) 5ML | C4H8O
| | |
| 31 | | 2-BUTANONE SOLUTION 100UG/ML IN METHANOL:WATER (90:10) 5X1ML | 2-BUTANONE SOLUTION 100UG/ML IN METHANOL:WATER (90:10) 5X1ML | C4H8O
| | |
| 32 | | MULTISOLVENT多功能四氢呋喃, GPC, ACS, 250PPM的BHT稳定 | Tetrahydrofuran, Multisolvent GPC grade ACS, stabilized with 250 ppm of 2,6-Di-tert-butyl-4-methylphenol (BHT) | C4H8O
| Scharlau Multisolvent | |