| CAS编号 | 中文名 | 英文名 | 分子式 | 分子量 | 熔点 | 沸点 |
| 212189-58-7 | | methyl 2-(4-aminophenoxy)benzoate | C14H13NO3 | 243.26 | | |
| 212189-78-1 | | methyl 2-fluoro-6-nitrobenzoate | C8H6FNO4 | 199.14 | | 282.9°C at 760 mmHg |
| 21219-30-7 | | 5-triazine, hexahydro-1,3,5-trinitro-, compd. with tetrahydrothiophene 1,1-3 | | | | |
| 21219-36-3 | | Tin,tetrachloro(ethyl acetate-O')- | C4H8Cl4O2Sn | 348.61 | | |
| 21219-63-6 | | [1,1,1,3,3,3-Hexafluoro-2-propanolato(2-)-C2,O]bis(triphenylphosphine)nickel | C39H30F6NiOP2 | 749.29 | | |
| 212190-25-5 | | 4,4,4-trifluoro-butane-1-sulfonyl chloride | C4H6ClF3O2S | 210.60 | | |
| 212191-84-9 | (S)-2,2'-二甲氧基-3,3'-二苯基-1,1'-联萘 | (S)-2,2'-dimethoxy-3,3'-diphenyl-1,1'-binaphthalene | C34H26O2 | 466.6 | | |
| 212197-74-5 | 5-氰基呋喃-2-羧酸 | 5-cyanofuran-2-carboxylic acid | C6H3NO3 | 137.09 | | 314°C |
| 2121989-91-9 | GSK2850163 | | C24H29Cl2N3O | 446.41 | | |
| 2122-19-2 | | 4-methyl-2-imidazolidinethion | C4H8N2S | 116.18 | | |
| 2122-29-4 | | retamine | | | | |
| 2122-46-5 | | phenoxy pesticide,liquid,flammable,poisonous | | | | |
| 2122-48-7 | | ethynyl | C2H | 25.03 | | |
| 2122-49-8 | 三(1-羟基-2,2,6,6-四甲基哌啶-4-基)亚磷酸酯 | Tris(1-hydroxy-2,2,6,6-tetramethylpiperidin-4-yl) phosphite | C27H54N3O6P | 547.71 | 143 °C | |
| 2122-61-4 | 4-氨基-3,5-二碘苯甲酸 | 4-amino-3,5-diiodo-benzoic aci | C7H5I2NO2 | 388.93 | 300℃ | |
| 2122-63-6 | | 4-amino-3-iodo-benzoic aci | C7H6INO2 | 263.03 | | |
| 2122-68-1 | 2-(1h-吲哚-3-基)乙酸丙酯 | propyl 2-(1h-indol-3-yl)acetate | C13H15NO2 | 217.268 | | |
| 2122-70-5 | | naphthalene-1-acetic acid ethyl ester | C14H14O2 | 214.26 | | 231°C/32mmHg(lit.) |
| 2122-77-2 | | 2-(2,4,5-trichlorophenoxy)-ethano | | | | |
| 2122-86-3 | | 4-oxadiazole-2-ol, 5-(5-nitro-2-furyl)-3 | | | | |
| 21220-70-2 | | 2-(4-(3,4-xylyloxy)butyl)amino-ethanethio hydrogen sulfate (ester) | | | | |
| 21220-71-3 | | 2-(4-(2,4-xylyloxy)butyl)amino-ethanethio hydrogen sulfate (ester) | | | | |
| 21220-73-5 | | 2-(6-phenoxyhexyl)amino-ethanethio hydrogen sulfate (ester) | | | | |
| 21220-74-6 | | 2-(4-(4-methylthio-m-tolyloxy)butyl)amino-ethanethio hydrogen sulfate (este | | | | |
| 21220-75-7 | | 2-(4-(p-propoxyphenoxy)butyl)amino-ethanethio hydrogen sulfate (ester) | | | | |
| 21220-76-8 | | 2-(4-(4-ethyl-2-methoxyphenoxy)butyl)amino-ethanethio hydrogen sulfate (est | | | | |
| 21220-77-9 | | 2-(4-(p-cyclohexylphenoxy)butyl)amino-ethanethio hydrogen sulfate (ester) | | | | |
| 21220-79-1 | | 2-(bis(4-(p-chlorophenoxy)butyl)amino)-ethanethio hydrogen sulfate (ester) | | | | |
| 21220-80-4 | | 2-(bis(2-(2-phenoxyethoxy)ethyl)amino)-ethanethio hydrogen sulfate (ester) | | | | |
| 21220-81-5 | | 2-(bis(5-(phenylthio)pentyl)amino)-ethanethio hydrogen sulfate (ester) | | | | |
| 21220-83-7 | | 2-(bis(4-(p-methoxyphenoxy)butyl)amino)-ethanethio hydrogen sulfate (ester) | | | | |
| 21220-85-9 | | 2-(4-pentenylamino)-ethanethio hydrogen sulfate (ester) | | | | |
| 21220-86-0 | | 2-(4-methoxybutyl)amino-ethanethio hydrogen sulfate (ester) | | | | |
| 21220-88-2 | | 2-(7-hydroxyheptyl)amino-ethanethio hydrogen sulfate (ester) | | | | |
| 21220-89-3 | | 2-(3-(tetrahydro-2h-pyran-2-yloxy)propyl)amino-ethanethio hydrogen sulfate | | | | |
| 21220-90-6 | | 2-(2,2-diethylbutyl)amino-ethanethio hydrogen sulfate (ester) | | | | |
| 21220-91-7 | | 2-(8-hydroxyoctyl)amino-ethanethio hydrogen sulfate (ester) | | | | |
| 21220-92-8 | | 2-(1-hydroxy-2-octyl)amino-ethanethio hydrogen sulfate (ester) | | | | |
| 21220-93-9 | | 2-(8-methoxyoctyl)amino-ethanethio hydrogen sulfate (ester) | | | | |
| 21220-94-0 | | 2-(9-methoxynonyl)amino-ethanethio hydrogen sulfate (ester) | | | | |
| 21220-96-2 | | 2-(1-hydroxy-2-decyl)amino-ethanethio hydrogen sulfate (ester) | | | | |
| 21220-97-3 | | 2-(2,11-dihydroxyundecyl)amino-ethanethio hydrogen sulfate (ester) | | | | |
| 21220-98-4 | | s-2-((3-(2-(p-fluorophenyl)-1,3-dioxolan-2-yl)propyl)amino)ethyl thiosulfate | | | | |
| 21220-99-5 | | 2-(4-(p-methoxybenzyloxy)butyl)amino-ethanethio hydrogen sulfate (ester) | | | | |
| 212200-57-2 | 3-环丙基-3-氧代丙酸苄酯 | benzyl 3-cyclopropyl-3-oxopropanoate | C13H14O3 | 218.2479 | | |
| 212201-70-2 | | ipfencarbazone | C18H14Cl2F2N4O2 | 427.23 | | |
| 2122011-13-4 | methyl 5-(methoxymethyl)-2-methyl-pyrazole-3-carboxylate | | C8H12N2O3 | 184.192 | | |
| 212204-36-9 | | benzyl 2-((chlorosulfonyl)methyl)pyrrolidine-1-carboxylate | | | | |
| 212209-96-6 | 2-氟-n-(4-甲氧基苯基)苯甲酰胺 | 2-fluoro-n-(4-methoxyphenyl)benzamide | | | | |
| 21221-00-1 | | 2-((1,1-dimethyl-2-hydroxy-2-(3,4-methoxyphenyl))ethyl)amino-ethanethio hyd | | | | |
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