| CAS编号 | 中文名 | 英文名 | 分子式 | 分子量 | 熔点 | 沸点 |
| 21797-13-7 | | tetrakis(acetonitrile)palladium(ii) tetrafluoroborate | C8H12B2F8N4Pd | 444.24 | 230℃ | |
| 21797-50-2 | | phenyl-a-d-mannopyranoside | C12H16O6 | 256.25 | | |
| 21797-94-4 | | 2-a)pyridine-3-acetonitrile, 2-methyl-imidazo( | | | | |
| 21797-99-9 | | 2-a)pyridine-3-carbonitrile, 7-methyl-imidazo( | | | | |
| 217972-87-7 | | benzyl 5-methyl-1,4-diazepane-1-carboxylate | | | | |
| 217973-03-0 | 2,2',2''-(1,4,7,10-四氮杂环十二烷-1,4,7-三基)三乙酸钠 | Sodium 2,2',2''-(1,4,7,10-tetraazacyclododecane-1,4,7-triyl)triacetate | C14H23N4Na3O6 | 412.32 | >253 °C (dec.) | 617.6±55.0 °C |
| 217977-54-3 | Ethyl (2S)-3-(4-hydroxyphenyl)-2-<(3S)-4-(tert-butoxycarbonyl)-3-(4-hydroxybenzyl)-2-oxopiperazin-1-yl>propionate | | C27H34N2O7 | 498.576 | | |
| 21799-75-7 | | zinc benzylsulfinate | | | | |
| 21799-87-1 | 2,5-二羟基苯磺酸单钾盐 | Benzenesulfonic acid, 2,5-dihydroxy-, monopotassium salt | C6H6O5S·K | 228.26 | 251℃ | |
| 218-01-9 | 屈 | 1,2,5,6-dibenzonaphthalene | C18H12 | 228.29 | 250-255℃ | 448℃ |
| 218-02-0 | | naphth(2,1-f)isoquinoline | | | | |
| 218-08-6 | | naphtho(2,1-f)quinoline | | | | |
| 218-19-9 | | naphtho(1,2-h)quinoline | | | | |
| 2180-05-4 | | 4-tert-butyl-thiazole-2-thiol | | | | |
| 2180-20-3 | | hexyl sulfoxide | | | | |
| 2180-30-5 | | 4,4'-bis(2-hydroxyhexafluoroisopropyl)diphenyl | C18H10F12O2 | 486.26 | 125-126℃ | |
| 2180-37-2 | | 3-tyrosine | | | | |
| 2180-65-6 | | tris(4-methylpentyl)-aluminu | | | | |
| 2180-68-9 | | trans-2,4-pentadienenitrile | C5H5N | 79.10 | | |
| 2180-69-0 | | cis-2,4-pentadienenitrile | C5H5N | 79.10 | | |
| 2180-92-9 | 丁吡卡因 | 6'-pipecoloxylidide, 1-butyl-2 | C18H28N2O | 288.43 | | |
| 21800-13-5 | | strychnine hydrogen sulphate | | | | |
| 21800-33-9 | | Strontium hydroxide monohydrate | H4O3Sr | 139.65 | | |
| 21800-49-7 | | 5-cycloundecene-1-carboxylic acid, 1,5-dimethyl-9-methylene-2-((2-oxo-2h-1-benz | | | | |
| 21800-83-9 | 乙基甾烯二酮 | ethylgonendione | C19H26O2 | 286.42 | 1676-167ºC | 445.2ºC |
| 2180068-05-5 | 2,5-二氮杂三环7.5.0.0²,⁷]十四碳-1(9),7-二烯-6-酮 | 2,5-diazatricyclo[7.5.0.0²,⁷]tetradeca-1(9),7-dien-6-one | C12H16N2O | 204.2676 | | |
| 2180068-12-4 | 4,7-二氮三环[7.5.0.0²,⁷]十四碳-1,8-二烯-3-酮 | 4,7-Diazatricyclo[7.5.0.0²,⁷]tetradeca-1,8-dien-3-one | C12H16N2O | 204.27 | | 498.3±44.0 °C(Predicted) |
| 21801-27-4 | | 1-butyryl-4-(o-chlorocinnamyl)-piperazin monohydrochloride | | | | |
| 21801-31-0 | | 1-(2-pyridinyl)-4-(3,3,3-triphenylpropyl)-piperazin | | | | |
| 21801-74-1 | | 2-a)pyridine-3-acetic acid, 2,5-dimethyl-imidazo( | | | | |
| 21801-79-6 | | 2-a)pyridine-3-carboxylic acid, 2-methyl-imidazo( | C9H8N2O2 | 176.17 | | 170°C at 760 mmHg |
| 21801-80-9 | | 2-a)pyridine-3-carboxylic acid, 7-methyl-imidazo( | C9H8N2O2 | 176.17 | | |
| 21801-83-2 | | 2-a)pyridine-3-acetamide, 2-(p-chlorophenyl)-imidazo( | | | | |
| 21801-84-3 | | 2-a)pyridine-3-acetamide, 2-methyl-imidazo( | | | | |
| 21801-85-4 | | 2-a)pyridine-3-acetamide, 7-methyl-imidazo( | | | | |
| 21801-86-5 | | imidazo(1,2-a)pyridine-3-acetamide | C9H9N3O | 175.19 | | |
| 21801-88-7 | | 2-a)pyridine, 3-carbamoyl-2-(p-chlorophenyl)-imidazo( | | | | |
| 21801-89-8 | | 2-a)pyridine-3-carboxamide, 2-methyl-imidazo( | | | | |
| 21801-90-1 | | 2-a)pyridine-3-carboxamide, 7-methyl-imidazo( | | | | |
| 21801-94-5 | (S)-(四氢呋喃-2-基)甲胺盐酸盐 | (S)-(Tetrahydrofuran-2-yl)methanamine hydrochloride | C5H12ClNO | 137.61 | | |
| 2180127-82-4 | BMS-615 | | C27H37N3O2 | 435.610 | | |
| 21802-37-9 | | caerulomycin a | C12H11N3O2 | 229.23 | | |
| 21803-57-6 | | 3-isoleucine-alpha-amaniti | | | | |
| 21803-75-8 | 4-氨基-3-氯苯甲腈 | 2-Chloro-4-cyanoaniline | C7H5ClN2 | 152.58 | 100-102℃ | |
| 21804-67-1 | | quinolinium, 2-(carbonylmethyl)-1-methyl-, iodide, dimethyl mercaptal | | | | |
| 21806-61-1 | 丙烯基-1,3-磺酸内酯 | | C3H4O3S | 120.13 | 82-83°C | 256.6°C |
| 21807-60-3 | | 1-dotetracontene | C42H84 | 589.12 | | |
| 21807-69-2 | | 1,2-cyclohexanedicarboxylic acid, 2,2-bis[[[[2-[(oxiranylmethoxy)carbonyl]cyclo | | | | |
| 21808-80-0 | | 5-thiadiazine-2-thione, tetrahydro-5-butyl-3-(phenylmethyl)-2h-3 | | | | |
| 2180894-90-8 | 3,6-双(二甲基氨基)-9-间甲苯-1-甲基a啶-10-鎓溴化物 | 3,6-bis(dimethylamino)-9-mesityl-10-methylacridin-10-ium bromide | | | | |