| CAS编号 | 中文名 | 英文名 | 分子式 | 分子量 | 熔点 | 沸点 |
| 50515-98-5 | | methyl 14-hydroxytetradecanoate | | | | |
| 50516-14-8 | | carbobenzyloxy-dl-glutamine | | | | |
| 50516-43-3 | | nofecainide | | | | |
| 50518-13-3 | | 2-butenedioic acid (e)-, polymer with 1,3-butadiene, 1,1-dichloroethene, etheny | | | | |
| 50519-24-9 | | 4-(4-chlorophenylimino)-2-pentanone | | | | |
| 50519-62-5 | | diethyl 2-[(4-{[(4,6-dimethyl-2-pyrimidinyl)amino]sulfonyl}anilino)methylene]malonate | | | | |
| 5052-75-5 | | 5-methyl-3-(5-nitro-2-furyl)-pyrazol | | | | |
| 5052-95-9 | | 1-oxa-3,8-diazaspiro[4.5]decan-2-one hydrochloride | | | | |
| 5052-99-3 | | 8-diazaspiro(4.5)decan-2-one, 8-(2-phenoxyethyl)-1-oxa- hydrochloride | | | | |
| 50522-35-5 | | Benzenamine,N-ethyl-,hydrobromide | C8H12BrN | 202.09 | | |
| 50524-49-7 | | mizoribine | | | | |
| 50524-95-3 | | phytic acid dimagnesium tetrapotassium | C6H18O24P6 | 660.03 | | |
| 50525-27-4 | 四联吡啶氯化铷 | tris(2,2'-bipyridine-n,n')-, dichloride, hexahydrate, (oc-6-11)-ruthenium(2+ | C30H24Cl2N6Ru.6H2O | 748.62 | 300℃ | |
| 50525-57-0 | C.I.酸性红256 | Cobaltate(1-), bis[4-hydroxy-3-[(2-hydroxy-1-naphthalenyl) azo] benzenesulfonamidato(2-)]-, hydrogen | C32H22CoN6O8S2·H | | | |
| 50526-52-8 | | 3-c]pyran, dodecahydro-1,1-dimethyl-1h-naphtho[ | | | | |
| 50526-53-9 | | 2-c]pyran, dodecahydro-1,1-dimethyl-1h-naphtho[ | | | | |
| 50527-26-9 | | 4-methylamino-3-nitro-coumari | | | | |
| 50527-27-0 | | 4-butylamino-3-nitro-coumari | | | | |
| 50527-29-2 | | 4-benzylamino-3-nitro-coumari | | | | |
| 50527-30-5 | | 4-anilino-3-nitro-coumari | | | | |
| 50527-31-6 | | 4-diethylamino-3-nitro-coumari | | | | |
| 50527-32-7 | | 4-dipropylamino-3-nitro-coumari | | | | |
| 50527-34-9 | | 4-morpholino-3-nitro-coumari | | | | |
| 50528-16-0 | | 4-chloro-1-(2,4-difluorophenyl)butan-1-one | | | | |
| 50528-56-8 | | 1-(6-ethyl-o-tolyl)-3-(1-methyl-2-pyrrolidinylidene)-ure hydrogen sulfate ( | | | | |
| 50528-63-7 | | 1-(1-methyl-2-pyrrolidinylidene)-3-phenyl-ure | | | | |
| 50528-73-9 | | 4-benzyloxyphenyl isocyanate | C14H11NO2 | 225.24 | 58-63℃ | 129℃(0.2 |
| 50528-80-8 | | 2,4,6-trifluorophenyl isocyanate | C7H2F3NO | 173.09 | | |
| 50528-86-4 | 2-氯-5-(三氟甲基)苯基异氰酸酯 | 2-chloro-5-(trifluoromethyl)phenyl isocyanate | C8H3ClF3NO | 221.57 | | 63-64℃(5 |
| 50528-92-2 | | 1-(m-chlorophenyl)-3-(1-methyl-2-pyrrolidinylidene)-ure | | | | |
| 50528-97-7 | | 1-(1-methyl-2-pyrrolidinylidene)-3-(2,6-xylyl)-ure | | | | |
| 50528-98-8 | | 1-(1-methyl-2-pyrrolidinylidene)-3-(m-tolyl)-ure | | | | |
| 50528-99-9 | | 1-(m-methoxyphenyl)-3-(1-methyl-2-pyrrolidinylidene)-ure | | | | |
| 50529-02-7 | | 1-(1-methyl-2-pyrrolidinylidene)-3-(p-nitrophenyl)-ure | | | | |
| 50529-04-9 | | 1-(2,6-dichlorophenyl)-3-(1-methyl-2-pyrrolidinylidene)-ure | | | | |
| 50529-07-2 | | 1-(2,6-diethylphenyl)-3-(1-methyl-2-pyrrolidinylidene)-ure | | | | |
| 50529-08-3 | | 1-(2,6-dibromophenyl)-3-(1-methyl-2-pyrrolidinylidene)-ure | | | | |
| 50529-09-4 | | 1-(2,6-dimethoxyphenyl)-3-(1-methyl-2-pyrrolidinylidene)-ure | | | | |
| 50529-13-0 | | 1-(m-bromophenyl)-3-(1-methyl-2-pyrrolidinylidene)-ure | | | | |
| 50529-32-3 | | 1-(m-chlorophenyl)-3-(1-ethyl-2-pyrrolidinylidene)-ure | | | | |
| 50529-33-4 | 3-氯-4-氟异氰酸苯酯 | 3-chloro-4-(fluorophenyl)isocyanate | C7H3ClFNO | 171.56 | | 44℃(17 t |
| 50529-36-7 | | 1-(m-chlorophenyl)-3-(1,5-dimethyl-2-pyrrolidinylidene)-ure | | | | |
| 5053-04-3 | | 8-(p-ethoxyphenylcarbamoylmethyl)-1-oxa-8-diazaspiro(4.5)decan-2-one | | | | |
| 5053-06-5 | | 8-phenethyl-1-oxa-8-diazaspiro(4.5)decan-2-one | | | | |
| 5053-08-7 | | 8-diazaspiro(4.5)decan-2-one, 8-phenethyl-1-oxa- monohydrochloride | C15H20N2O2.HCl | 296.79 | | |
| 5053-09-8 | | 8-((alpha-methyl)phenethyl)-1-oxa-8-diazaspiro(4.5)decan-2-one | | | | |
| 5053-14-5 | | 8-benzyl-1-oxa-8-diazaspiro(4.5)decan-2-one | | | | |
| 5053-17-8 | | n-((2z)-3-[2-oxo-2-(2-thienyl)ethyl]-1,3-thiazol-2(3h)-ylidene)acetamide | | | | |
| 5053-24-7 | 2-(甲基硫代)噻唑 | 2-Methylthio-1,3-thiazole | C4H5NS2 | 131.22 | | 205-207 ℃(lit.) |
| 5053-43-0 | | 2-methylpyrimidine | C5H6N2 | 94.12 | | |
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