| CAS编号 | 中文名 | 英文名 | 分子式 | 分子量 | 熔点 | 沸点 |
| 217797-14-3 | 甲磺酸帕罗西汀 | paroxetine mesylate | C19H20FNO3·CH4O3S | 425.47 | | |
| 217798-66-8 | | 4-amino-n-butyl-n-methylbenzenesulfonamide | C11H18N2O2S | 242.3400 | | |
| 217799-03-6 | KP496 | | C31H34ClN3O7S3 | 692.27 | | |
| 2178-24-7 | α-溴苯乙酸乙酯 | | C10H11BrO2 | 243.1 | | 280.9°C |
| 2178-34-9 | | 6-ethoxy-benzo(j)phenanthridine | | | | |
| 2178-86-1 | | ethyl (2-benzothiazolylthio)-formate | | | | |
| 21780-37-0 | | 3-pyridylmethyl n-(3-chlorophenyl)carbamate | | | | |
| 21780-38-1 | | 4-pyridylmethyl n-(3-chlorophenyl)carbamate | | | | |
| 21780-68-7 | | 1-(4-methoxyphenyl)-3-(2-pyridyl)-2-thiourea | | | | |
| 217803-89-9 | 头孢泊肟酯ep杂质e | cefpodoxime proxetil ep impurity e | | | | |
| 217806-26-3 | 3-(boc-氨基)氮杂环丁烷盐酸 | 3-(boc-amino)azetidine hydrochloride | C8H16N2O2·HCl | 208.69 | | |
| 2178069-33-3 | tert-butyl (1R,5S)-2,6-diazabicyclo[3.2.1]octane-2-carboxylate | | C11H20N2O2 | 212.2879 | | |
| 2178125-40-9 | (2-氟-3-甲氧基苯基)肼盐酸盐 | (2-Fluoro-3-methoxyphenyl)hydrazine hydrochloride | C7H10ClFN2O | 192.62 | | |
| 217813-00-8 | 4,5-二氟-2-(三甲基甲硅烷基)苯基三氟甲磺酸酯 | 4,5-Difluoro-2-(trimethylsilyl)phenyl trifluoromethanesulfonate | C10H11F5O3SSi | 334.3400 | | |
| 217813-03-1 | 三氟甲烷磺酸3-甲氧基-2-(三甲基硅基)苯酯 | 3-methoxy-2-(trimethylsilyl)phenyl trifluoromethanesulfonate | C11H15F3O4SSi | 328.38 | | 337.5°C |
| 217816-53-0 | 6-溴-2-氟-3-碘苯甲酸 | 6-Bromo-2-fluoro-3-iodobenzoic acid | C7H3BrFIO2 | 344.9 | | 360.8±42.0 °C(Predicted) |
| 217816-54-1 | 3-溴-2-氟-6-碘苯甲酸 | 3-bromo-2-fluoro-6-iodobenzoicacid | C7H3BrFIO2 | 344.9 | | |
| 217816-60-9 | | 3-bromo-2-fluoro-6-iodobenzamide | C7H4BrFINO | 343.92 | | |
| 217816-66-5 | 3-溴-2-氟-6-碘代苯甲腈 | 3-bromo-2-fluoro-6-iodobenzonitrile | C7H2BrFIN | 325.90 | | 299.5±40.0 °C(Predicted) |
| 217817-01-1 | | tos-peg3-ch2ch2cootbu | C20H32O8S | 432.53 | | |
| 217817-03-3 | Methylamino-PEG3-t-butyl ester | | C14H29NO5 | 291.38 | | |
| 21782-48-9 | | 3-cyclobutylpropan-1-ol | | | | |
| 21784-30-5 | | phendimetrazine | | | | |
| 21784-53-2 | | 1h-2,3-benzothiazin-4(3h)-one, 2,2-dioxide | | | | |
| 21784-54-3 | | 1h-2,3-benzothiazin-4(3h)-one, 3-methyl-, 2,2-dioxide | | | | |
| 21784-55-4 | | 1h-2,3-benzothiazin-4(3h)-one, 3-ethyl-, 2,3-dioxide | | | | |
| 21784-56-5 | | 1h-2,3-benzothiazin-4(3h)-one, 3-butyl-, 2,2-dioxide | | | | |
| 21784-73-6 | 4-碘-2-硝基苯酚 | 4-Iodo-2-nitrophenol | C6H4INO3 | 265.01 | | |
| 21785-09-1 | 7-甲氧基黄酮 | 7-methoxyflavanone | C16H14O3 | 254.28 | 89-91℃ | 435 °C |
| 2178510-97-7 | | 9-chloropyrimido[1,6-a]indole-3-carboxylic acid | | | | |
| 21786-11-8 | | 4-(3-(2-cyano-10-phenothiazinyl)propyl)-1-piperazineethano bismethanesulfon | | | | |
| 21786-44-7 | | Bis(dithiotropolonato)nickel(II) | C14H10NiS4 | 365.18 | | |
| 21787-26-8 | | 5-methyl-3-(5-nitro-2-furyl)-4-isoxazolecarboxamid | | | | |
| 21787-30-4 | | 3-(5-nitro-2-furyl)-4-isoxazolecarboxylic aci ethyl ester | | | | |
| 21787-34-8 | | n,5-dimethyl-3-(5-nitro-2-furyl)-4-isoxazolecarboxamid | | | | |
| 21787-35-9 | | n,3-dimethyl-5-(5-nitro-2-furyl)-4-isoxazolecarboxamid | | | | |
| 21787-36-0 | | 5-methyl-3-(5-nitro-2-furyl)-4-isoxazolecarboxylic aci 1-methyl-4-piperidyl | | | | |
| 21787-44-0 | | 4-benzoxazin-3(4h)-one, 4-(1-ethyl-3-pyrrolidinyl)-2h- fumarate (1:1) | | | | |
| 21787-45-1 | | 4-(1-benzyl-3-pyrrolidinyl)-2h-4-benzoxazin-3(4h)-one | | | | |
| 21787-48-4 | | n-(1-(2-benzoylethyl)-3-pyrrolidinyl)-propionamid | | | | |
| 21787-50-8 | | n-(1-benzyl-3-pyrrolidinyl)-2'-methoxy-propionanilid | | | | |
| 21787-51-9 | | 2'-methoxy-n-(1-(2-phenoxyethyl)-3-pyrrolidinyl)-propionanilid | | | | |
| 21787-52-0 | | n-(1-(2-benzoylethyl)-3-pyrrolidinyl)-o-propionasidid | | | | |
| 21787-53-1 | | n-(1-benzyl-3-pyrrolidinyl)-propionanilid | | | | |
| 21787-54-2 | | n-(1-(2-phenoxyethyl)-3-pyrrolidinyl)-propionanilid hydrochloride | | | | |
| 21787-61-1 | | n-(1-phenethyl-3-pyrrolidinyl)-propionanilid fumarate (1:1) | | | | |
| 21787-62-2 | | 2-(p-chlorophenoxy)-n-(1-methyl-3-pyrrolidinyl)-acetanilid maleate (1:1) | | | | |
| 21787-63-3 | | 4-chloro-n-(1-methyl-3-pyrrolidinyl)-benzanilid fumarate (1:1) | | | | |
| 21787-65-5 | | 5-Oxo-6-N-methylformylamino-4,5-dihydro-1,2-dithiolo[4,3-b]pyrrole trihydrate | C7H12N2O5S2 | 268.31 | | |
| 21787-66-6 | | n-(5-oxo-4,5-dihydro-1,2-dithiolo(4,3-b)pyrrol-6-yl)-formamid | | | | |