| CAS编号 | 中文名 | 英文名 | 分子式 | 分子量 | 熔点 | 沸点 |
| 424815-42-9 | | 4-(5-methyl-1,3-dioxo-1,3,3a,4,7,7a-hexahydro-2h-isoindol-2-yl)benzoic acid | | | | |
| 424816-35-3 | n-(2-氯-4-碘苯基)-3-甲基苯甲酰胺 | n-(2-chloro-4-iodophenyl)-3-methylbenzamide | | | | |
| 424818-25-7 | n-叔丁基-3-硝基苯磺酰胺 | n-tert-butyl-3-nitrobenzenesulfonamide | | | | |
| 424818-35-9 | 3-氯-n-(2-氯-4-碘代苯基)苯甲酰胺 | 3-chloro-n-(2-chloro-4-iodophenyl)benzamide | | | | |
| 424818-72-4 | | 2-amino-7-(2-thienyl)-7,8-dihydroquinazolin-5(6h)-one | | | | |
| 42482-06-4 | 2-辛烯基琥珀酸酐 (顺反混合物) | 2-octenylsuccinic anhydride (cis- and trans- mixture) | | | | |
| 42482-94-0 | | ethyl 5-(4-methylphenyl)-5-oxovalerate | | | | |
| 42483-24-9 | 23-羟基龙吉苷元 | 23-hydroxylongispinogenin | | | | |
| 424836-59-9 | | methyl 4-methoxy-3-methylbenzoylformate | | | | |
| 42485-84-7 | | 2-ethylamino-p-cresol | | | | |
| 42485-89-2 | | 4-amino-2,5-dimethoxy-benzenesulfonic aci | | | | |
| 42486-53-3 | | 4-amino-2,6-dichloro-pheno hydrochloride | C6H5Cl2NO.HCl | 214.47 | 280-285℃ | |
| 42487-07-0 | 3-氨基-4-氯-N-(5-氯-2-甲基苯基)苯甲酰胺 | 3-amino-4-chloro-N-(5-chloro-2-methylphenyl)benzamide | | | | |
| 42487-09-2 | | n,n'-(2,5-dichloro-1,4-phenylene)bis[3-oxo-butanamid | | | | |
| 42487-70-7 | | 4-chloro-6-methyl-2-piperidin-1-ylpyrimidine | | | | |
| 42487-72-9 | | 2-(diethylamino)-6-methyl-4-pyrimidinol | | | | |
| 42488-57-3 | 2,4-二氯苯基-3-甲基-4-硝基苯基醚 | | | | | |
| 42489-42-9 | | 2-(4-chlorophenyl)-5-oxazoledicarboxamide | | | | |
| 42489-55-4 | | 4-(2,4-dichlorophenyl)-1,3-thiazol-2(3h)-one | | | | |
| 4249-10-9 | 四甲基环戊二烯 | 1,2,3,4-tetramethyl-1,3-cyclopentadiene | | | | 142℃ |
| 4249-19-8 | (S)-3-氨基-2-甲基丙酸 | (S)-3-amino-2-methylpropanoic acid | | | | |
| 4249-64-3 | | 2-(diethylamino)-1-phenylethanol | | | | |
| 4249-72-3 | 2-苯氧基-1-苯乙醇 | 2-phenoxy-1-phenylethanol | | | | |
| 42490-26-6 | 9,10-二氢-9,10-[3,4]噻吩蒽 | 9,10-dihydro-9,10-[3,4]thiophenoanthracene | | | | |
| 42491-79-2 | | cbz-(S)-3-amino-2-hydroxypropionic acid | | | | |
| 42491-95-2 | 2-氧代吡咯烷-3-基乙酸甲酯 | 2-oxopyrrolidin-3-yl acetate | | | | |
| 42492-22-8 | | n(alpha)-lauroyl-l-arginine | C18H36N4O3 | 356.50 | | |
| 42492-57-9 | n-boc-n-甲基甘氨酸 甲酯 | n-boc-sarcosine methyl ester | | | | |
| 42492-62-6 | | n-me-val-obzl . p-tosylate | C13HNO2.C7H8O3S | 375.35 | | |
| 42492-65-9 | | boc-gly-oh-2,2-d2 | | | | |
| 42492-87-5 | | 1,4-dibenzyl-2,5-piperazinedione | | | | |
| 42492-95-5 | 2-羟基丙腈标准溶液 | 2-hydroxypropionitrile solution | | | | |
| 42494-73-5 | 双过氧(1,10-菲咯啉)氧钒酸钾(v)水合物 | bpv(phen) | | | | |
| 42495-50-1 | | 2-methoxy-4'-nitrobenzophenone | | | | |
| 42495-51-2 | | 1-naphthyl-4-nitrophenyl ketone | | | | |
| 42497-46-1 | | 2,3,4,9-tetrahydro-1h-carbazole-1-carboxylic acid | | | | |
| 42497-69-8 | | fluoromethanesulfonyl chloride | | | | |
| 42497-76-7 | | methyl 4-(acetoxymercuri)benzoate | | | | |
| 42498-32-8 | n-叔丁基-4-甲基苯甲酰胺 | n-tert-butyl-4-methylbenzamide | | | | |
| 42498-33-9 | n-叔丁基-3-甲基苯甲酰胺 | n-tert-butyl-3-methylbenzamide | | | | |
| 42498-38-4 | 4-溴-n-叔丁基苯甲酰胺 | 4-bromo-n-tert-butylbenzamide | | | | |
| 42498-39-5 | | 3-bromo-n-(tert-butyl)benzamide | | | | |
| 42498-40-8 | n-叔丁基-4-氯苯甲酰胺 | n-tert-butyl-4-chlorobenzamide | | | | |
| 42498-44-2 | 联苯-3-甲酰氯 | biphenyl-3-carbonyl chloride | | | | |
| 42498-58-8 | | epoxy hardener zzla-0334 | | | | |
| 42499-04-7 | | 2-propenal, homopolymer, compd. with sodium hydrogen sulfite | | | | |
| 42499-14-9 | | n-(3-chlorophenyl)-picrylamine | | | | |
| 425-11-6 | | 1-chloro-1,2-dinitro-1,2,2-trifluoro-ethan | | | | |
| 425-38-7 | | 2,2,3,3-tetrafluoro-3-(trifluoromethoxy)-propionyl fluorid | | | | |
| 425-51-4 | | 6-diene-3,20-dione, 17-hydroxy-pregna- acetate (ester) | | | | |
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