| CAS编号 | 中文名 | 英文名 | 分子式 | 分子量 | 熔点 | 沸点 |
| 216394-11-5 | | 2-methoxy-4-methylbenzenesulphonyl chloride | C8H9ClO3S | 220.67 | | |
| 2164-07-0 | | 7-oxabicyclo(2.2.1)heptane-2,3-dicarboxylic acid, dipotassium salt | | | | |
| 2164-08-1 | 环草定 | 5h)-dione, 6,7-dihydro-3-cyclohexyl-1h-cyclopentapyrimidine-4(3h | C13H18N2O2 | 234.29 | | |
| 2164-09-2 | 甲叉敌稗 | 3',4'-dichloro-2-methyl-acrylanilid | C10H9Cl2NO | 230.09 | | |
| 2164-15-0 | | ammonium hydrogen 7-oxabicyclo(2.2.1)heptane-2,3-dicarboxylate | | | | |
| 2164-17-2 | 伏草隆 | 1,1-dimethyl-3-(alpha,alpha,alpha-trifluoro-m-tolyl)-ure | C10H11F3N2O | 232.20 | | |
| 2164-19-4 | 顺式-2-甲基环己胺 | cis-2-methylcyclohexylamine | | | | |
| 2164-33-2 | | 2-chloromethyl-1,4-benzodioxane | C9H9ClO2 | 184.62 | | |
| 2164-34-3 | 2-溴甲基-1,4-苯并二恶烷 | 2-bromomethyl-1,4-benzodioxane | C9H9BrO2 | 229.07 | | |
| 2164-37-6 | | 6,7-dichloro-4-benzodioxan-2-methanol | | | | |
| 2164-50-3 | | 2-(2,3-dihydro-1,4-benzodioxin-2-ylmethyl)-1h-isoindole-1,3(2h)-dione | | | | |
| 2164-61-6 | | 3-pyridazinecarboxylic acid | C5H4N2O2 | 124.09 | | |
| 2164-65-0 | 2-氨基嘧啶-4-羧酸 | 2-aminopyrimidine-4-carboxylic acid | | | | |
| 2164-66-1 | 2-氨基嘧啶-4-羧酸甲酯 | methyl 2-aminopyrimidine-4-carboxylate | | | | |
| 2164-67-2 | | 2-amino-4-pyrimidinemethano | | | | |
| 2164-83-2 | 4,6-二羟基-5-硝基嘧啶 | 6-hydroxy-5-nitro-4(1h)-pyrimidinon | C4H3N3O4 | 157.09 | 300℃ | |
| 2164-84-3 | 4,6-二氨基-5-硝基嘧啶 | | | | | |
| 2164-95-6 | | 2-(3-phenylureido)benzoic acid | | | | |
| 21640-10-8 | | Aluminum,tribromo(triethylamine)- | C3H9AlBr3N | 325.80 | | |
| 21640-33-5 | 2-甲基异喹啉-1,3,4-(2h)-三酮 | 2-methylisoquinoline-1,3,4(2h)-trione | | | | |
| 21640-47-1 | | 3-(3-chlorophenyl)propionitrile | | | | |
| 21640-48-2 | 3-(3-氯苯基)丙酸 | 3-(3-Chlorophenyl)propionic acid | | | | |
| 21641-60-1 | | vincarine | | | | |
| 21641-92-9 | | (S)-(-)-2-hydroxy-3,3-dimethylbutyric acid | | | 48-50℃ | |
| 21642-82-0 | | 5-ethyl-5-(1-methylbutyl)-, sodium salt, s(-)-barbituric aci | | | | |
| 21642-83-1 | | 5-ethyl-5-(1-methylbutyl)-, sodium salt, r(+)-barbituric aci | | | | |
| 21642-98-8 | 3-氰基-4-甲氧基-2-(1H)吡啶酮 | 3-Cyano-4-methony-2-(1H)-pyridinone | | | | |
| 21643-38-9 | | p-hexyl-benzoic aci | C13H18O2 | 206.28 | 94-99℃ | |
| 21643-42-5 | 2-丙烯酸十四烷酯 | 2-Propenoic acid, tetradecyl ester | C17H32O2 | 268.44 | | |
| 216431-29-7 | | 2-vinylterephthalic acid | | | | |
| 216431-85-5 | 5-氰基-2-三氟甲基吡啶 | 5-cyano-2-(trifluoromethyl)pyridine | C7H3F3N2 | 172.10 | | |
| 216434-81-0 | | 8-bromomethyl-4,4-difluoro-1,3,5,7-tetramethyl- 4-bora-3a,4a-diaza-s-indacene (503 methyl bromide) | | | | |
| 216434-82-1 | | potassium 4-methylphenyltrifluoroborate | C7H7BF3K | 198.03 | | |
| 216439-76-8 | n-boc-4-(4,4,5,5-四甲基-1,3,2-二氧杂环戊硼烷-2-基)-l-苯丙氨酸 | n-boc-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-l-phenylalanine | | | | |
| 21644-95-1 | | 4-(1-(4-amino-2-methylphenyl)azo)-6-methyl-o-creso | | | | |
| 216443-17-3 | 2-(3-甲基苯基)苯甲醛 | 3'-methylbiphenyl-2-carboxaldehyde | | | | |
| 216443-25-3 | | 3'-chloro-biphenyl-2-carboxaldehyde | | | | |
| 216443-40-2 | | (3-(methoxymethoxy)phenyl)boronic acid | | | | |
| 216443-78-6 | | 3-(3-methylphenyl)benzaldehyde | | | | |
| 216444-00-7 | 6-乙炔基烟酸甲酯 | methyl 6-ethynylnicotinate | | | | |
| 21645-26-1 | | n,n-diethyl-n'-2-propenyl-thioure | | | | |
| 21645-51-2 | 氢氧化铝 | Aluminum hydroxide | AlH3O3 | 78.00 | | |
| 216450-65-6 | 槐黄醇 | sophoflavescenol | | | | |
| 216453-50-8 | | 12:0 n-biotinyl fatty acid, nhs | | | | |
| 216453-51-9 | 生物素-x 2,4-二硝基苯基-x-l-赖氨酸琥珀酰亚胺酯 | biotin-x 2,4-dinitrophenyl-x-l-lysine succinimidyl ester | | | | |
| 216453-54-2 | | btc, tetrapotassium salt | | | | |
| 216453-74-6 | 11-酮-布地奈德(对映异构体混合物) | 11-keto budesonide (mixture of diastereomers) | | | | |
| 21646-20-8 | 4,4'-亚甲基二苯胺与氯化钠的化合物(3:1) | Benzenamine, 4,4'-methylenebis-, compd. with sodium chloride(3:1) | C39H42ClN6Na | 653.23 | | |
| 21646-29-7 | | Gallate(1-),tetrachloro-,rubidium | Cl4GaRb | 297.00 | | |
| 21646-31-1 | | Cesium gallium chloride | Cl4CsGa | 344.44 | | |
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