| CAS编号 | 中文名 | 英文名 | 分子式 | 分子量 | 熔点 | 沸点 |
| 2031259-83-1 | (1S,4S)-2-tert-butoxycarbonyl-2-azabicyclo[2.2.1]heptane-4-carboxylic acid | | C12H19NO4 | 241.2828 | | |
| 2031259-84-2 | tert-butyl (1S,4S)-4-(hydroxymethyl)-2-azabicyclo[2.2.1]heptane-2-carboxylate | | C12H21NO3 | 227.2992 | | |
| 203126-21-0 | 对甲苯基五氟化硫 | p-tolylsulfur pentafluoride | C7H7F5S | 218.19 | | |
| 2031260-37-2 | spiro[8-azabicyclo[3.2.1]octane-3,1'-cyclopropane] hydrochloride | | C9H15N.HCl | 173.6824 | | |
| 2031260-45-2 | (1-(四氢-2h-噻喃-4-基)-1h-1,2,3-三唑-4-基)甲胺 | (1-(tetrahydro-2h-thiopyran-4-yl)-1h-1,2,3-triazol-4-yl)methanamine | | | | |
| 2031260-75-8 | 4-氯-6-氟-2,3-二氢-1h-茚-1-胺盐酸盐 | 4-chloro-6-fluoro-2,3-dihydro-1h-inden-1-amine hydrochloride | | | | |
| 2031260-86-1 | 5-溴-3-碘-4-甲基吡啶-2-醇 | 5-bromo-3-iodo-4-methylpyridin-2-ol | C6H5BrINO | 313.92 | | |
| 2031261-00-2 | N-(isopropylcarbamoyl)prop-2-enamide | | C7H12N2O2 | 156.1819 | | |
| 2031261-23-9 | 3-(氮杂环丁烷-1-基)吡咯烷二盐酸盐 | 3-(Azetidin-1-yl)pyrrolidinedihydrochloride | C7H16Cl2N2 | 199.12 | | |
| 2031261-27-3 | 4-溴-n-丙基苯胺盐酸盐 | 4-bromo-n-propylaniline hydrochloride | | | | |
| 2031268-67-2 | 2-(甲氧基甲基)吡咯烷-2-羧酸叔丁酯 | tert-Butyl 2-(methoxymethyl)pyrrolidine-2-carboxylate | C11H21NO3 | 215.289 | | 261.5±25.0 °C(Predicted) |
| 2031268-79-6 | 4-(2,6-二氟苯基)丁-2-胺盐酸盐 | 4-(2,6-Difluorophenyl)butan-2-amine hydrochloride | C10H14ClF2N | 221.68 | | |
| 2031269-14-2 | tert-butyl 5-(bromomethyl)-3,4-dihydro-1H-isoquinoline-2-carboxylate | | C15H20NO2Br | 326.228 | | |
| 2031269-30-2 | 5-氟吡啶-3-甲脒盐酸盐 | 5-Fluoropyridine-3-carboximidamide hydrochloride | | | | |
| 20313-28-4 | | 1-ethenyl-2-dicarbadodecaborane(12) | | | | |
| 20313-52-4 | | carbonic acid, barium calcium salt | | | | |
| 203130-79-4 | | 2-(benzoyloxy)-n,n-dimethyl-n-hexyl-, bromide, trans-cyclohexanemethanaminiu | | | | |
| 203130-80-7 | | 2-(benzoyloxy)-n,n-dimethyl-n-hexyl-, bromide, cis-cyclohexanemethanaminiu | | | | |
| 203130-83-0 | | 2-(benzoyloxy)-n-decyl-n,n-dimethyl-, bromide, trans-cyclohexanemethanaminiu | | | | |
| 203130-84-1 | | 2-(benzoyloxy)-n-decyl-n,n-dimethyl-, bromide, cis-cyclohexanemethanaminiu | | | | |
| 20314-31-2 | | lys-ala b-naphthylamide | C19H26N4O2 | 342.44 | | |
| 20314-74-3 | | fumaric acid dipentyl ester | C14H24O4 | 256.34 | | |
| 20315-07-5 | | (+)-phenethylamin | | | | |
| 20315-25-7 | 原花青素 b1 | procyanidin b1 | C30H26O12 | 578.52 | 231～232℃ | 955.3°C at 760 mmHg |
| 20315-46-2 | | beta-ergocryptine | | | | |
| 20315-68-8 | | 4-b)indole, 2,3,4,9-tetrahydro-6-methoxy-1h-pyrido( | C12H14N2O | 202.2524 | 219-222℃ | 388.6 °C at 760 mmHg |
| 20316-62-5 | 银椴甙 | 3-(4-hydroxyphenyl)-2-propenoic aci 6'-ester with 3-(beta-d-glucopyranosylo | C30H26O13 | 594.52 | 246～248 ℃ | 943.9°C |
| 20316-77-2 | | 1,2:5,6-bis-o-(1-methylethylidene)-3-o-2-propenyl-alpha-d-glucofuranos | | | | |
| 20316-84-1 | | kaur-16-en-19-oic acid | | | | |
| 20317-19-5 | 活性嫩黄KN-G | reactive yellow 17 | | | | |
| 20317-25-3 | | 5-amino-1-phenyl-1h-1,2,3-triazole-4-carboxamide | C9H9N5O | 203.20 | | |
| 20317-40-2 | 异喹啉-4-甲酸甲酯 | methyl isoquinoline-4-carboxylate | C11H9NO2 | 187.2 | 82°C | 315.263°C at 760 mmHg |
| 20317-96-8 | | k 1202 | | | | |
| 203179-00-4 | | 3-bromo-4-chloro-n-methoxy-n-methylbenzamide | | | | |
| 203179-02-6 | | 3-cyano-4-nitrobenzaldehyde | C8H4N2O3 | 176.13 | | |
| 20318-30-3 | | alpha-solamarine | C45H73NO16 | 884.06 | 278-281 °C (decomp) | |
| 203186-01-0 | (4-溴苯基)[1-(三氟乙酰基)-4-哌啶基]甲酮 | 2,2,2-trifluoro-1-(4-(4-bromobenzoyl)piperidin-1-yl)ethanone | | | | |
| 203186-56-5 | (e)-2-((二甲基氨基)亚甲基)-3-氧代丁酸甲酯 | (e)-methyl 2-((dimethylamino)methylene)-3-oxobutanoate | C8H13NO3 | 171.19 | | |
| 203186-58-7 | | (e)-ethyl 2-((dimethylamino)methylene)-3-oxobutanoate | | | | |
| 203186-96-3 | | 1-boc-4-amino-4-(hydroxymethyl)piperidine | C11H22N2O3 | 230.306 | | |
| 203187-18-2 | | 4-(4-bromobenzyl)piperidine hcl | | | | |
| 203187-71-7 | 苯并[d][1,3]二氧杂戊环-5-磺酰氟 | Benzo[d][1,3]dioxole-5-sulfonyl fluoride | C7H5FO4S | 204.18 | | 281.5±29.0 °C(Predicted) |
| 203189-41-7 | | ethyl 4-cyano-3-hydroxy-5-(methylthio)thiophene-2-carboxylate | | | | |
| 20319-44-2 | | dimethyl 5-methoxyisophthalate | C11H12O5 | 224.21 | | |
| 203192-01-2 | MN58b | | C32H40Br2N4 | 640.49 | | |
| 203192-98-7 | 二乙基(2-氨乙基)膦酸草酸盐 | diethyl (2-aminoethyl)phosphonate oxalate | | | | |
| 203195-42-0 | 3-溴-4-甲基噻吩-2-羧酸甲酯 | Methyl 3-bromo-4-methylthiophene-2-carboxylate | C7H7BrO2S | 235.1 | | |
| 2032-13-5 | | 5,5-diphenyl-2,4-dithio-hydantoi | | | | |
| 2032-30-6 | | 3,4,5,6-tetrahydro-2-propyl-2h-3-thiazine | | | | |
| 2032-33-9 | | n-propyl-benzenemethanamin | C10H15N | 149.23 | | 212.2°C |
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