| CAS编号 | 中文名 | 英文名 | 分子式 | 分子量 | 熔点 | 沸点 |
| 21646-92-4 | | 4-amino-n,n-dipropylbenzenesulfonamide | | | | |
| 21646-99-1 | | tetraethyl pyrophosphite | C8H20O5P2 | 258.19 | | 79-81℃(1 |
| 21647-15-4 | | 3,4-bis(butylamino)-3-cyclobutene-1,2-dione | | | | |
| 216485-86-8 | | 3-Isopropoxyphenylboronic acid | (CH3)2CHOC6H4B(OH)2 | 180.01 | 76-81 ℃(lit.) | |
| 21649-57-0 | | malonamic acid, n-(2-carboxy-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo-(3.2.0)hept | | | | |
| 216491-65-5 | | 1-palmitoyl-2-stearoyl-(16-doxyl)-sn-glycero-3-phosphocholine | | | | |
| 2165-06-2 | 3-氯-6-对甲苯基-哒嗪 | 3-chloro-6-(4-methylphenyl)pyridazine | | | | |
| 2165-19-7 | 胍生 | (1,4-benzodioxan-2-ylmethyl)-guanidin | C10H13N3O2 | 207.23 | | |
| 2165-21-1 | 四唑-1,5-二胺 | tetrazole-1,5-diamine | | | | |
| 21650-02-2 | | 3-azabicyclo(3.3.1)nonane, 9-methoxy-3-methyl-9-phenyl-, citrate (1:1), stereoi | | | | |
| 21650-51-1 | | (E)-trans-4,4'-Dichloroazobenzene | C12H8Cl2N2 | 251.11 | | |
| 21650-83-9 | 3β-羟基孕甾-9(11),16-二烯-20-酮-3-醋酸酯 | 3-Hydroxypregna-9(11),16-dien-20-one 3-acetate | C23H32O3 | 356.51 | | |
| 216501-13-2 | | 5-(4-methoxy-phenyl)-4-(3-trifluoromethyl-phenyl)-4h-[1,2,4]triazole-3-thiol | | | | |
| 216501-15-4 | | 4-(4-chloro-2-methyl-phenyl)-5-(4-methoxy-phenyl)-4h-[1,2,4]triazole-3-thiol | | | | |
| 216502-06-6 | | 2-amino-n-(4-fluorophenyl)benzamide | | | | |
| 216502-94-2 | | 1-benzyloxycarbonylpiperidine-3-carbonyl chloride | | | | |
| 21651-12-7 | | trans-2,4-pentadienoic acid | C5H6O2 | 98.10 | | |
| 21651-19-4 | 氧化亚锡 | Tin(II) oxide | OSn | | | |
| 21651-62-7 | | nepetalactone | | | | |
| 21651-83-2 | (1R,2R)-2-甲胺基环己醇 | trans-2-(methylamino)cyclohexanol | | | | |
| 21652-27-7 | Z-2-(8-十七烯基)-4,5-二氢-1H-咪唑-1-乙醇 | 2-(8-heptadecenyl)-4,5-dihydro-, (Z)-1H-Imidazole-1-ethanol | C22H42N2O | | | |
| 21652-57-3 | 2-全氟辛基乙基溴; 2-全氟辛基溴乙烷 | 2-perfluorooctyl ethyl bromide | | | | |
| 21652-58-4 | 3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-十七氟-1-癸烯 | 3,3,4,4,5,5,6,6,7, 7,8,8, 9,9,10,10,10-heptadecafluoro-1-Decene | C10H3F17 | 446.11 | | 146-147℃ |
| 216529-53-2 | | 1-(3-methylphenyl)-2-(4-pyridinyl)-ethanone | | | | |
| 21653-20-3 | | bicyclo[3.1.0]hexan-3-ol, 4-methyl-1-(1-methylethyl)-, [1S-(1 alpha,3 alpha,4 a | | | | |
| 21653-40-7 | 盐酸-NA-苯甲酰-1-精氨酸酰-4-硝基苯胺 | Na-Benzoyl-1-arginine-4-nitroanilide hydrochloride | C19H22N6O4.HCl | 434.88 | 223-226℃ | |
| 21653-41-8 | | na-benzoyl-d-arginine p-nitroanilide*hydrochlorid | C19H22N6O4.HCl | 434.88 | | |
| 216532-43-3 | | (2R,5S)-2,5-dimethyl-1-benzyl-piperazine 2hcl | | | | |
| 2165340-32-7 | | cu-cpt9a | | | | |
| 21654-60-4 | | tetrakis(aziridine)-platinum (ii tetrachloroplatinate | | | | |
| 21654-72-8 | | dimethyl(2-hydroxyethyl)(trimethylsilylmethyl)-ammoniu iodide | | | | |
| 21654-73-9 | | dimethyl(2-hydroxyethyl)(triethylsilylmethyl)-ammoniu iodide | | | | |
| 21654-75-1 | | 2-chloro-n-methyl-n-(trimethylsilylmethyl)-ethylamin hydrochloride | | | | |
| 21654-76-2 | | (2-chloroethyl)dimethyl(trimethylsilylmethyl)-ammoniu iodide | | | | |
| 21654-77-3 | | (2-chloroethyl)dimethyl(diethylmethylsilylmethyl)-ammoniu iodide | | | | |
| 21654-78-4 | | dimethyl(2-iodoethyl)(trimethylsilylmethyl)-ammoniu iodide | | | | |
| 21654-79-5 | | ammonium, dimethyl(2-hydroxyethyl)(trimethylsilylmethyl)-, iodide, acetate | | | | |
| 21654-85-3 | | 2,3-dimethylene-5-trimethylsilanyl-bicyclo[2.2.1]heptane | C12H20Si | 192.37 | | |
| 2165479-27-4 | (R)-叔丁基(1-羟基-3-甲基丁-2-基)(甲基)氨基甲酸酯 | (R)-tert-butyl (1-hydroxy-3-methylbutan-2-yl)(methyl)carbamate | | | | |
| 21655-73-2 | | dibromo-dde | | | | |
| 21655-84-5 | | 4-b)indole, 1-methyl-9h-pyrido( monohydrochloride | C12H10N2.HCl | 218.68 | | |
| 2165506-16-9 | (2R,4S)-4-氨基-2-甲基吡咯烷-1-羧酸苄酯 | benzyl (2R,4S)-4-amino-2-methylpyrrolidine-1-carboxylate | | | | |
| 2165522-84-7 | | (3S,7R,8as)-3-cyclohexyloctahydropyrrolo[1,2-a]pyrazin-7-ol | | | | |
| 2165528-01-6 | ((1S,5S,6S)-1-氟-3-氮杂双环[3.1.0]己-6-基)氨基甲酸叔丁酯 | tert-butyl ((1S,5S,6S)-1-fluoro-3-azabicyclo[3.1.0]hexan-6-yl)carbamate | | | | |
| 2165540-24-7 | (R)-叔丁基甲基(3-甲基-1-氧代丁-2-基)氨基甲酸酯 | (R)-tert-butyl methyl(3-methyl-1-oxobutan-2-yl)carbamate | | | | |
| 2165554-60-7 | | 3-{5-[(2S)-2-pyrrolidinyl]-1,3,4-oxadiazol-2-yl}pyridine | | | | |
| 2165598-22-9 | (S)-2-(苄基(甲基)氨基)-4-氟-4-甲基戊酸 | (S)-2-(benzyl(methyl)amino)-4-fluoro-4-methylpentanoic acid | | | | |
| 21656-02-0 | 氢氧化铑 | Rhodium hydroxide | H3O3Rh | | | |
| 2165689-24-5 | | (S)-n-(tetrahydro-2h-pyran-3-yl)benzamide | | | | |
| 2165702-13-4 | (3ar,4R,6ar)-4-(羟甲基)六氢环戊并[c]吡咯-2(1h)-甲酸叔丁酯 | (3ar,4R,6ar)-tert-butyl 4-(hydroxymethyl)hexahydrocyclopenta[c]pyrrole-2(1h)-carboxylate | | | | |
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