| 1 | 644-00-8 | 8,13-diethyl-3,7,12,17-tetramethyl-21H,23H-porphine-2-propionic acid | 8,13-diethyl-3,7,12,17-tetramethyl-21H,23H-porphine-2-propionic acid | C31H34N4O2 | | |
| 2 | 644-03-1 | | Methanediamine,1-(4-methoxyphenyl)-N,N'-bis[(4-methoxyphenyl)methylene]- | C24H24N2O3 | | |
| 3 | 644-06-4 | 早熟素Ⅱ | Precocene II | C13H16O3 | 其它酚类;标准品 -中药标准品 | |
| 4 | 644-08-6 | 4-甲基联苯 | 4-Phenyltoluene | C13H12 | 芳烃;有机砌块;通用试剂;化工原料;其他原料;有机化工原料;中间体-有机中间体 | |
| 5 | 644-13-3 | 2-苯甲酰萘 | 2'-benzonaphthone | C17H12O | 酮 | |
| 6 | 644-15-5 | N-(2-methylphenyl)-2-naphthalenamine | N-(2-methylphenyl)-2-naphthalenamine | C17H15N | | |
| 7 | 644-16-6 | N-(对甲苯基)-2-萘胺 | N-(P-TOLYL)-2-NAPHTHYLAMINE | C17H15N | 胺;有机砌块;通用试剂;萘 蒽 苊 菎 | |
| 8 | 644-17-7 | 2-(Hydroxymethyl)-2,5-cyclohexadiene-1,4-dione | 2-(Hydroxymethyl)-2,5-cyclohexadiene-1,4-dione | C7H6O3 | 黄金产品 | |
| 9 | 644-21-3 | 1-乙基-1-苯基肼 | 1-Ethyl-1-Phenylhydrazine | C8H12N2 | | |
| 10 | 644-26-8 | 阿米卡因 | 1-[(dimethylamino)methyl]-1-methylpropyl benzoate | C14H21NO2 | | |
| 11 | 644-30-4 | Α-姜黄烯 | α-curcumene | C15H22 | 中药对照品 | |
| 12 | 644-31-5 | 过氧化乙酰苯甲酰 | Acetyl benzoyl peroxide | C9H8O4 | | |
| 13 | 644-32-6 | 二硫化二苯甲酰 | dibenzoyl disulphide | C14H10O2S2 | | |
| 14 | 644-33-7 | N,N'-二苯甲酰基-1,2-乙二胺 | N,N'-ETHYLENEBISBENZAMIDE | C16H16N2O2 | | |
| 15 | 644-34-8 | 3-(1,3-苯并二氧戊环-5-基)-1-苯基-2-丙烯基-1-酮 | 3,4-METHYLENEDIOXYCHALCONE | C16H12O3 | | |
| 16 | 644-35-9 | 2-正丙基苯酚 | 2-N-PROPYLPHENOL | C9H12O | 化工原料;试剂和补充物 | |
| 17 | 644-36-0 | 邻甲基苯乙酸 | o-Tolylacetic acid | C9H10O2 | 有机原料;羧酸化合物 | |
| 18 | 644-37-1 | 2,4(1H,3H)-Pyrimidinedione,5-(nitrosoamino)- | 2,4(1H,3H)-Pyrimidinedione,5-(nitrosoamino)- | C4H4N4O3 | | |
| 19 | 644-40-6 | 1H-Purine-2,8-diamine (9CI) | 1H-Purine-2,8-diamine (9CI) | C5H6N6 | | |
| 20 | 644-42-8 | 2-(3-methylimidazol-4-yl)ethanamine | 2-(3-methylimidazol-4-yl)ethanamine | C6H11N3 | | |
| 21 | 644-43-9 | 1,3,5-Triazine, 2,4-bis(1-aziridinyl)- | 1,3,5-Triazine, 2,4-bis(1-aziridinyl)- | C7H9N5 | | |
| 22 | 644-46-2 | 异麦芽醇 | Allo Maltol | C6H6O3 | 化工 | |
| 23 | 644-48-4 | 化合物 T26515 | abequose | | | |
| 24 | 644-49-5 | 异丁酸丙酯 | propyl isobutyrate | C7H14O2 | 合成;羰基化合物 | |
| 25 | 644-59-7 | 4-Chloro-5-hydrazino-1,3-benzenedisulfonamide | 4-Chloro-5-hydrazino-1,3-benzenedisulfonamide | C6H9ClN4O4S2 | | |
| 26 | 644-61-1 | 耳蕨白 | polystichalbin | C25H32O8 | | |
| 27 | 644-62-2 | 甲氯芬那酸 | Meclofenamic acid | C14H11Cl2NO2 | 抗炎镇痛药物;伊马替尼中间体;其他兽药标准品;原料中间体-原料药 | |
| 28 | 644-64-4 | 2-二甲基氨基甲酰基-3-甲基-5-吡唑基-N，N-二甲基氨基甲酸酯 | DIMETILAN | C10H16N4O3 | 分析标准品 | |
| 29 | 644-66-6 | 羊角衣酸 | Baeomycesic acid | C19H18O8 | | |
| 30 | 644-68-8 | ACACIPETALIN | ACACIPETALIN | C11H17NO6 | | |
| 31 | 644-69-9 | 毛莨甙 | (S)-5-[(beta-D-glucopyranosyloxy)methyl]furan-2(5H)-one | C11H16O8 | 中草药成分 | 中草药成分 |
| 32 | 644-71-3 | o-Anilinophenol | o-Anilinophenol | C12H11NO | | |
| 33 | 644-76-8 | 1,6-内醚-D-半乳糖 | 1,6-anhydro-B-D-galactopyranose | C6H10O5 | 中间体;精细化工原料;单糖，多糖类 食品添加剂 | |
| 34 | 644-78-0 | 2-羟基查耳酮 | 2-Hydroxychalcone | C15H12O2 | 液晶;标准品;植物提取物 | |
| 35 | 644-80-4 | (Z)-Bromofumaric acid | (Z)-Bromofumaric acid | C4H3BrO4 | | |
| 36 | 644-87-1 | (±)-mercaptosuccinic acid | (±)-mercaptosuccinic acid | C4H6O4S | | |
| 37 | 644-90-6 | (±)-2-氨基辛酸 | dl-2-aminocaprylic acid | C8H17NO2 | 合成;氨基酸;对照品;化工原料;保护氨基酸;非天然氨基酸;药物杂质及中间体 | |
| 38 | 644-97-3 | 苯基二氯膦 | Dichlorophenylphosphine | C6H5Cl2P | 中间体;膦配体;有机磷;有机砌块;医药中间体 | 医药中间体 |
| 39 | 644-98-4 | 2-异丙基吡啶 | 2-isopropylpyridine | C8H11N | 吡啶;医药中间体 | |