| 1 | 97-65-4 | 衣康酸 | Itaconic Acid | C5H6O4
| 羧酸;原料;助剂;有机酸;中间体;对照品;原料药;有机化工;工业原料;化工原料 | |
| 2 | 498-24-8 | 中康酸 | mesaconic acid | C5H6O4
| 羧酸 | |
| 3 | 498-23-7 | 柠康酸 | Citraconic acid | C5H6O4
| 羧酸;对照品;标准品;化工原料;有机化工原料 | |
| 4 | | 乙醯丙酮酸 | acetopyruvic acid | C5H6O4
| | |
| 5 | 2756-87-8 | 富马酸单甲酯 | Monomethyl fumarate | C5H6O4
| 酯;原料;助剂;防腐剂;化工原料;其他原料;化工材料;有机化工;羰基化合物;杂质对照品 | |
| 6 | 505-36-2 | pent-2-enedioic acid | pent-2-enedioic acid | C5H6O4
| | |
| 7 | 5699-58-1 | 2,4-dioxovaleric acid | 2,4-dioxovaleric acid | C5H6O4
| | |
| 8 | 3052-50-4 | 顺丁烯二酸单甲酯 | Maleicacidmonomethylester | C5H6O4
| 羧酸;试剂;大货;医药原料;杂质对照品 | |
| 9 | | PENT-2-ENEDIOIC ACID, TECH | PENT-2-ENEDIOIC ACID, TECH | C5H6O4
| | |
| 10 | 7407-59-2 | 2-methyl-2-butenedioic acid | 2-methyl-2-butenedioic acid | C5H6O4
| | |
| 11 | 57321-93-4 | 3-甲基-1,4-二恶烷-2,5-二酮 | 3-Methyl-1,4-dioxane-2,5-dione | C5H6O4
| | |
| 12 | 4475-30-3 | 2-Propene-1,1-dicarboxylic acid | 2-Propene-1,1-dicarboxylic acid | C5H6O4
| | |
| 13 | 50427-65-1 | 2-醛基-3-氧代丙酸甲酯 | METHYL 2-FORMYL-3-OXO-PROPIONATE | C5H6O4
| | |
| 14 | 3566-57-2 | 3,4-二羟基-5-甲基-2-呋喃酮 | 3,4-DIHYDROXY-5-METHYL-2-FURANONE | C5H6O4
| | |
| 15 | 598-10-7 | 1,1-环丙烷二羧酸 | cyclopropane-1,1-dicarboxylic acid | C5H6O4
| 合成;系列1;香精香料;大货产品;生物化工;有机中间体;合成材料中间体;医药化工中间体系列 | |
| 16 | 114435-09-5 | 1,3-Dioxolan-2-one, 4-acetyl- (9CI) | 1,3-Dioxolan-2-one, 4-acetyl- (9CI) | C5H6O4
| | |
| 17 | 405512-02-9 | Pentanal, 2-hydroxy-3,4-dioxo- (9CI) | Pentanal, 2-hydroxy-3,4-dioxo- (9CI) | C5H6O4
| | |
| 18 | 53558-93-3 | (R)-(-)-5-氧代四氢呋喃-2-羧酸 | (R)-(-)-5-Oxo-2-Tetrahydrofuroic Acid | C5H6O4
| 拆分试剂 | |
| 19 | 4360-91-2 | 2-氧代四氢呋喃-3-甲酸 | 2-Oxotetrahydrofuran-3-carboxylic Acid | C5H6O4
| | |
| 20 | 696-75-3 | 1,2-环丙基二酸 | trans-1,2-Cyclopropanedicarboxylic acid | C5H6O4
| | |
| 21 | 160428-94-4 | 2-Pentenoic acid, 2-hydroxy-4-oxo- (9CI) | 2-Pentenoic acid, 2-hydroxy-4-oxo- (9CI) | C5H6O4
| | |
| 22 | 87024-25-7 | 2-(烯丙氧基)-2-氧代乙酸 | Ethanedioic acid, 1-(2-propen-1-yl) ester | C5H6O4
| | |
| 23 | 61564-98-5 | 5,6-二氢-1,4-二氧杂环己烯-2-羧酸 | 5,6-DIHYDRO-[1,4]DIOXINE-2-CARBOXYLIC ACID | C5H6O4
| | |
| 24 | 1489-58-3 | 环丙烷-1,2-二羧酸 | cis/trans 1,2-cyclopropanedicarboxylic acid | C5H6O4
| | |
| 25 | | D-5-OXO-2-TETRAHYDROFURANCARBOXYLIC ACID(S-) | D-5-OXO-2-TETRAHYDROFURANCARBOXYLIC ACID(S-) | C5H6O4
| | |
| 26 | 91526-18-0 | 4-(羟甲基)-5-甲基-[1,3]二氧杂环戊烯-2-酮 | 1,3-Dioxol-2-one, 4-(hydroxymethyl)-5-methyl- | C5H6O4
| 中间体;其它产品;生物化工;医药中间体;杂质对照品;原料药中间体;阿奇沙坦侧链;医药及中间体;阿奇沙坦系列产品;阿齐沙坦衍生物侧链 | |
| 27 | 21461-84-7 | (S)-5-氧代四氢-2-呋喃甲酸 | (S)-(+)-5-Oxo-2-tetrahydrofurancarboxylic acid | C5H6O4
| 拆分试剂 | |
| 28 | 228407-28-1 | 2-Pentenoic acid, 2-hydroxy-4-oxo-, (2Z)- (9CI) | 2-Pentenoic acid, 2-hydroxy-4-oxo-, (2Z)- (9CI) | C5H6O4
| | |
| 29 | 165813-70-7 | | 2-Propenoic acid, 2-methoxy-3-oxo-, methyl ester | C5H6O4
| | |
| 30 | 26241-15-6 | 2,5-Methano[1,3]dioxolo[4,5-d]-1,3-dioxole, dihydro- | 2,5-Methano[1,3]dioxolo[4,5-d]-1,3-dioxole, dihydro- | C5H6O4
| | |
| 31 | 748115-00-6 | threo-4-Pentulosonic acid, 2,3-anhydro-5-deoxy- (9CI) | threo-4-Pentulosonic acid, 2,3-anhydro-5-deoxy- (9CI) | C5H6O4
| | |
| 32 | 108899-52-1 | Propanoic acid, 2-oxo-, anhydride with acetic acid (9CI) | Propanoic acid, 2-oxo-, anhydride with acetic acid (9CI) | C5H6O4
| | |