| CAS编号 | 中文名 | 英文名 | 分子式 | 分子量 | 熔点 | 沸点 |
| 1890-04-6 | | Cyclopentene,3,5-dibromo- | C5H6Br2 | 225.91 | | |
| 1890-25-1 | | spiro[5.5]undecan-3-one | C11H18O | 166.2600 | | |
| 1890-47-7 | | 1,2,3,4,7,7-hexachloro-5-(2,2,3,3-tetrafluorocyclobutyl)-2-norbornen | | | | |
| 18900-05-5 | | 1-(4-(hexahydro-1h-azepin-1-yl)-2-butynyl)-2-pyrrolidinon fumarate (2:3) | | | | |
| 189000-91-7 | [4,4'-联吡啶]-2,2'-二胺 | [4,4'-Bipyridine]-2,2'-diamine | C10H10N4 | 186.21 | 289-290 °C | 437.0±45.0 °C(Predicted) |
| 189003-02-9 | | 2-morpholine-4,6-difluoropyrimidine | C8H9F2N3O | 201.17 | | |
| 189005-44-5 | 6-甲基-2-(4-甲基苯基)咪唑并[1,2-a]吡啶-3-乙酸 | 6-methyl-2-(4-methylphenyl)imidazol[1,2-a]pyridine-3-acetic acid | C17H16N2O2 | 280.32 | 243-245°C | |
| 1890079-79-4 | oxetan-3-ylmethanethiol | | C4H8OS | 104.1704 | | |
| 189008-33-1 | 2-(对甲苯基乙炔基)苯甲醛 | 2-(p-tolylethynyl)benzaldehyde | C16H12O | 220.26588 | | 379.8℃at 760 mmHg |
| 1890098-49-3 | 2-[(叔丁氧基)羰基]-2-氮杂双环[2.2.2]辛烷-5-羧酸 | 2-[(tert-butoxy)carbonyl]-2-azabicyclo[2.2.2]octane-5-carboxylic acid | | | | |
| 189011-00-5 | | 4-(3-bromo-4-methoxyphenyl)-1,3-thiazol-2-amine | | | | |
| 1890112-76-1 | 双(4-甲基联苯-3-基)胺 | dimethyldiphenylene-3-base amine | C26H23N | 349 | | |
| 1890113-34-4 | 3-[（5-溴-2-氟苯基）氨基]-2,2-二甲基-3-氧代-丙酸甲酯 | Propanoic acid, 3-[(5-bromo-2-fluorophenyl)amino]-2,2-dimethyl-3-oxo-, methyl ester | C12H13BrFNO3 | 318.1389 | | 405.1±45.0 °C(Predicted) |
| 189013-00-1 | | 1,4-dimaleimido-2,3-butanediol | C12H12N2O6 | 280.23 | | |
| 189013-61-4 | (5R)-BW-4030W92 | | C11H9Cl2FN4 | 287.12 | | |
| 1890136-54-5 | 2-溴-5'-苯基-1,1':3',1''-三联苯 | 2-bromo-5'-phenyl-1,1':3',1''-terphenyl | C24H17Br | 385.3 | 89°C | |
| 189014-01-5 | 4-((叔丁氧基羰基)氨基)-3-苯基丁酸 | 4-((tert-butoxycarbonyl)amino)-3-phenylbutanoic acid | | | | |
| 189014-13-9 | | 4-iodo-1-methyl-1h-imidazole-5-carboxaldehyde | C5H5IN2O | 236.0105 | | |
| 189014-95-7 | 2,6-双((S)-4-甲基-4,5-二氢噁唑-2-基)吡啶 | 2,6-bis((S)-4-methyl-4,5-dihydrooxazol-2-yl)pyridine | C13H15N3O2 | 245.2771 | | |
| 189016-90-8 | 纳曲酮ep杂质c | naltrexone ep impurity c | | | | |
| 1890165-98-6 | [(1S,3R)-3-(aminomethyl)cyclopentyl]methanol | | C7H15NO | 129.1995 | | |
| 1890169-95-5 | | upgl00004 | C25H26N8O2S2 | 534.66 | | |
| 1890170-26-9 | N2-(1-(5-氨基-1,3,4-噻二唑-2-基)哌啶-4-基)-1,3,4-噻二唑-2,5-二胺 | N2-(1-(5-Amino-1,3,4-thiadiazol-2-yl)piperidin-4-yl)-1,3,4-thiadiazole-2,5-diamine | C9H14N8S2 | 298.39 | | |
| 1890172-25-4 | tert-Butyl 4-amino-3-oxopiperazine-1-carboxylate | | C9H17N3O3 | 215.252 | | |
| 189018-17-5 | | 6-chloro-7-hydroxy-5-methyl-2-phenylpyrazolo[1,5-a]pyrimidine | | | | |
| 189019-45-2 | 5,5-二甲基-4,5,6,7-四氢噻吩并[2,3-c]吡啶 | 5,5-Dimethyl-4,5,6,7-Tetrahydrothieno[2,3-c]Pyridine | C9H13NS | 167.27 | | |
| 1890192-22-9 | 1-(4-甲氧基苄基)-1H-吲唑-3-甲脒盐酸盐 | 1-[(4-methoxyphenyl)methyl]-1H-indazole-3-carboximidamide hydrochloride | C16H17ClN4O | 316.79 | | |
| 1890194-45-2 | 2-(二氟甲基)吡啶-4-胺盐酸盐 | 2-(difluoromethyl)pyridin-4-amine hydrochloride | C6H7ClF2N2 | 180.58 | | |
| 18902-42-6 | | trichloronitrosyl-rutheniu | Cl3NORu | 237.43 | | |
| 1890205-27-2 | 2-[(4-methoxyphenyl)methyl]triazol-4-amine | | C10H12N4O | 204.228 | | |
| 1890208-58-8 | 2-((N-(2-甲氧基苯基)-4-甲基苯基)磺酰氨基)-N-(4-甲氧基吡啶-3-基)乙酰胺 | 2-((N-(2-Methoxyphenyl)-4-methylphenyl)sulfonamido)-N-(4-methoxypyridin-3-yl)acetamide | C22H23N3O5S | 441.5 | | |
| 1890228-73-5 | ((S)-5-(叔丁氧基)-2-(2-((S)-2-((叔丁氧羰基)氨基)-3-(1-三苯甲基-1H-咪唑-4-基)丙酰胺基)-2-甲基丙酰胺)-5-氧代戊酰基)甘氨酸 | ((S)-5-(tert-Butoxy)-2-(2-((S)-2-((tert-butoxycarbonyl)amino)-3-(1-trityl-1H-imidazol-4-yl)propanamido)-2-methylpropanamido)-5-oxopentanoyl)glycine | C45H56N6O9 | 824.96 | | |
| 189024-26-8 | 2-氯-3,5-二氟苯甲酸 | 2-chloro-3,5-difluorobenzoic acid | C7H3ClF2O2 | 192.55 | | |
| 1890250-13-1 | AMB | AMB (AMP) | C19H27N3O3 | 345.4 | | |
| 1890250-14-2 | 5-fluoro AMB metabolite 2 | | C19H27N3O4 | 361.4 | | |
| 1890250-21-1 | 5-fluoro AMB metabolite 3 | | C19H25N3O5 | 375.4 | | |
| 189028-53-3 | tetra-μ3-hydroxyundecakis [μ-(2-methyl-2-propenoato-κo:κ;o')](2-methyl-2-propenoato-κo)tetra-μ3-oxohexazirconium | zirconium(iv) oxo hydroxy methacrylate | | | | |
| 189028-93-1 | (S)-4-苯基-3-[5-(4-氟苯基)-5-氧代戊酰基]-2-恶唑烷酮 | (S)-4-phenyl-3-[5-(4-fluorophenyl)-5-oxopentanoyl]-2-oxazolidinone | C20H18FNO4 | 355.37 | | |
| 189028-95-3 | (S)-3-[(S)-5-(4-氟苯基)-5-羟基戊酰基]-4-苯基-2-噁唑烷酮 | (S)-3-[(S)-5-(4-fluorophenyl)-5-hydroxypentanoyl]-4-phenyl-2-oxazolidinone | C20H20FNO4 | 357.38 | | 572.727ºC at 760 mmHg |
| 1890299-47-4 | | potassium 7-nitro-2-oxo-2h-chromene-3-carboxylate | C10H4KNO6 | 273.24 | | |
| 18903-01-0 | 反式-1-肉桂基哌嗪 | 1-cinnamylpiperazine | C13H18N2 | 202.29 | 39-44℃ | 129℃(1 t |
| 18903-04-3 | 1-(哌嗪-1-基)丁-1-酮 | 1-(piperazin-1-yl)butan-1-one | C8H16N2O | 156.2300 | | |
| 18903-05-4 | 1-己酰基哌嗪 | 1-hexanoyl-piperazine | | | | |
| 18903-08-7 | | 1,4-divaleryl-piperazin | | | | |
| 18903-09-8 | | 1,4-dihexanoyl-piperazin | | | | |
| 18903-10-1 | | 1,4-diheptanoyl-piperazin | | | | |
| 18903-17-8 | 2-甲基噻唑-4,5-二羧酸二乙酯 | 2-methylthiazole-4,5-dicarboxylic acid diethylester | C10H13NO4S | 243.28 | | |
| 18903-18-9 | 5-氨基噻唑-4-甲酸乙酯 | ethyl 5-aminothiazole-4-carboxylate | C6H8N2O2S | 172.21 | | 300.666°C at 760 mmHg |
| 1890308-70-9 | 8-硝基-3,4-二氢-2H-苯并[b][1,4]恶嗪盐酸盐 | 8-Nitro-3,4-dihydro-2H-benzo[b][1,4]oxazine hydrochloride | C8H9ClN2O3 | 216.6217 | | |
| 189035-22-1 | 6-溴-2,3-二氢苯并呋喃 | 6-bromo-2,3-dihydrobenzofuran | C8H7BrO | 199.04 | | |
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