| 1 | 2100-17-6 | 4-戊烯醛 | 4-Pentenal | C5H8O
| 醛;有机砌块;通用试剂;有机中间体 | |
| 2 | 5604-55-7 | 戊-3-烯醛 | pent-3-enal | C5H8O
| | |
| 3 | | 二氢吡喃 | Dihydropyran | C5H8O
| | |
| 4 | 10229-10-4 | 3-戊炔-1-醇 | 3-PENTYN-1-OL | C5H8O
| 炔烃 | |
| 5 | 120-92-3 | 环戊酮 | Cyclopentanone | C5H8O
| 酮;酮类;有机硼;分析纯;原料药;中间体;环戊酮;生化试剂;香精香料;通用试剂 | 医药 |
| 6 | 1115-11-3 | 2-甲基-2-丁烯醛 | Tiglic aldehyde | C5H8O
| 添加剂 | |
| 7 | 25512-65-6 | 2,3-二氢吡喃 | 2,3-dihydropyran | C5H8O
| | |
| 8 | 3917-15-5 | 烯丙基乙烯基醚 | ALLYL VINYL ETHER | C5H8O
| | |
| 9 | 1576-87-0 | 反式-2-戊烯醇 | (E)-pent-2-en-1-al | C5H8O
| 有机原料;醇类化合物 | |
| 10 | 14320-38-8 | 3-环戊烯-1-醇 | 3-CYCLOPENTENE-1-OL | C5H8O
| 醇;醇类;无机物;其他原料;化工材料;精细化工原料 | |
| 11 | 110-87-2 | 3,4-二氢吡喃 | 3,4-Dihydro-2H-pyran | C5H8O
| 吡喃;中间体;脂肪环;有机原料;合成试剂;医药原料;有机化工;化工中间体;医药中间体;保护和衍生 | 医药中间体 |
| 12 | 115-19-5 | 2-甲基-3-丁炔-2-醇 | 2-Methyl-3-butyn-2-ol | C5H8O
| 有机原料;醇类化合物 | 医药中间体;农药中间体;香料中间体 |
| 13 | 107-86-8 | 异戊烯醛 | 3-methylcrotonaldehyde | C5H8O
| 醛;化工材料;香精香料;羰基化合物;有机化工原料;香料-香料原料;医药、农药及染料中间体 | |
| 14 | 1838-94-4 | 单氧化异戊二烯 | 2-methyl-2-vinyloxirane | C5H8O
| 单体;高分子科学 | |
| 15 | 56105-19-2 | 环丙基乙醛 | Cyclopropaneacetaldehyde | C5H8O
| 有机原料;烃类化合物 | |
| 16 | 2987-17-9 | 环丁基甲醛 | Cyclobutanecarboxaldehyde | C5H8O
| 化合物;医药中间体;羰基化合物 | |
| 17 | 37365-71-2 | Methylbutynol【general】 | Methylbutynol【general】 | C5H8O
| | |
| 18 | 3174-74-1 | 3,6-二氢吡喃 | 3,6-dihydro-2H-pyranato(4-) | C5H8O
| 吡喃类 | |
| 19 | 1708-30-1 | Furan, 2,5-dihydro-2-methyl- | Furan, 2,5-dihydro-2-methyl- | C5H8O
| | |
| 20 | | DIHYDROPYRAN (MARKETING INFO) | DIHYDROPYRAN (MARKETING INFO) | C5H8O
| | |
| 21 | 25988-32-3 | 3-甲基-3-丁烯-2-酮均聚物 | POLY(METHYL ISOPROPENYL KETONE) | C5H8O
| | |
| 22 | 29279-66-1 | (2-亚甲基环丙基)甲醇 | (2-methylenecyclopropyl)methanol | C5H8O
| | |
| 23 | 95249-93-7 | CYCLOPROPYL-1-D1 METHYL-D3 KETONE | CYCLOPROPYL-1-D1 METHYL-D3 KETONE | C5H8O
| | |
| 24 | 4515-89-3 | 1-methylcyclopropanecarboxaldehyde | 1-methylcyclopropanecarboxaldehyde | C5H8O
| | |
| 25 | 86832-97-5 | | Oxirane, 2-ethenyl-2-methyl-, (2S)- | C5H8O
| | |
| 26 | 1407593-23-0 | 2-Cyclopropene-1-methanol, 2-methyl- | 2-Cyclopropene-1-methanol, 2-methyl- | C5H8O
| | |
| 27 | 39547-01-8 | Cyclopropanecarboxaldehyde, 2-methyl- | Cyclopropanecarboxaldehyde, 2-methyl- | C5H8O
| | |
| 28 | 24268-10-8 | 1-Propene, 1-(ethenyloxy)-, (E)- (9CI) | 1-Propene, 1-(ethenyloxy)-, (E)- (9CI) | C5H8O
| | |
| 29 | 1226589-78-1 | (1R,2R)-2-methylcyclopropane-1-carbaldehyde | (1R,2R)-2-methylcyclopropane-1-carbaldehyde | C5H8O
| | |
| 30 | | [(E)-cyclopropylmethylidene](methyl)ammoniumolate | [(E)-cyclopropylmethylidene](methyl)ammoniumolate | C5H8O
| | |
| 31 | 764-39-6 | 反-2-戊烯醛 | trans-2-penten-1-al;2-Pentanal;2-pentenal;gamma-methylcrotonaldehyde;Pent-2-enal;FEMA 3218;T2 PENTENAL;TRANS-2-PENTEN-1-AL;PENTENE-2-AL | C5H8O
| 食品添加剂;食用香料（增香剂）;天然等同香料和人造香 | |