| CAS编号 | 中文名 | 英文名 | 分子式 | 分子量 | 熔点 | 沸点 |
| 51502-45-5 | | methyl perfluorononanoate | C10H3F17O2 | 478.11 | | 175℃ |
| 51503-08-3 | 4-叔丁氧基苯甲醇 | 4-tert-butoxybenzyl alcohol | | | | |
| 51503-09-4 | | 3-tert-butylbenzyl alcohol | | | | |
| 51503-28-7 | | benzenediazonium, 4-chloro-2-methyl-, 1,5-naphthalenedisulfonate (1:1) | C17H13ClN2O6S2 | 440.87 | | |
| 51503-61-8 | 亚磷酸氢二铵 | diammonium hydrogen phosphite | | | | |
| 51505-28-3 | | isonicotinic acid, 3-(4-methyl-1-piperazinyl)propyl ester, dimaleate, n-oxide | | | | |
| 51505-30-7 | | isonicotinic acid, 2-(4-methyl-1-piperazinyl)ethyl ester, dimaleate, n-oxide | | | | |
| 51505-36-3 | | nicotinic acid, 2-(4-methyl-1-piperazinyl)ethyl ester, dimaleate, n-oxide | | | | |
| 51505-38-5 | | choline, chloride, isonicotinate | | | | |
| 51505-40-9 | | choline, chloride, isonicotinate, n-oxide | | | | |
| 51505-43-2 | | choline, chloride, nicotinate, n-oxide | | | | |
| 51505-44-3 | | choline, iodide, nicotinate, n-oxide | | | | |
| 51505-45-4 | | ethanaminium, 2-((3-pyridinylcarbonyl)oxy)-n,n,n-triethyl-, iodide, n-oxide | | | | |
| 51505-76-1 | | (1h-imidazol-1-yl)methanol | | | | |
| 51505-90-9 | | (((2-((2-aminoethyl)amino)ethyl)amino)methyl)-pheno | | | | |
| 51505-94-3 | | 5-triazine-2,4,6-triamine, tris(hydroxymethyl)-3 | | | | |
| 51506-45-7 | | 1-allylsulfanyl-2,5-dimethoxybenzene | | | | |
| 51508-06-6 | | 3,4-thiadiazole, 2-(1,1-dimethylethyl)-5-isocyanato- dimer | | | | |
| 51508-36-2 | | Rhenium,tricarbonyl(η5-1-iodo-2,4-cyclopentadien-1-yl) | C8H4IO3Re | 461.23 | | |
| 51508-40-8 | | Rhenium,tricarbonyl((η5-1,2,3,4)-1-(methoxycarbonyl)-2,4-cyclopentadien-1-yl)- | C10H7O5Re | 393.37 | | |
| 51508-41-9 | | Rhenium,tricarbonyl((1,2,3,4,5-η)-1-carboxy-2,4-cyclopentadien-1-yl)- | C9H5O5Re | 379.34 | | |
| 51508-42-0 | | Rhenium,tricarbonyl((1,2,3,4,5-η)-1-(chlorocarbonyl)-2,4-cyclopentadien-1-yl)- | C9H4ClO4Re | 397.79 | | |
| 51508-43-1 | | Rhenium,tricarbonyl(η5-1-(chlorosulfonyl)-2,4-cyclopentadien-1-yl)- | C8H4ClO5ReS | 433.84 | | |
| 51508-59-9 | | tricarbonyl(2-methoxycyclohexadienylium)- iron hex | | | | |
| 5151-34-8 | | Pyrimidine,2,4-dimethoxy-5-methyl- | C7H10N2O2 | 154.17 | | |
| 51510-32-8 | | 7-isopropylidene-2exo,3exo-dimethyl-norbornane | C12H20 | 164.29 | | |
| 515111-36-1 | 2-(4-碘苯)-3-(2,4-二硝基苯)-5-(2,4-二磺基苯)-2h-四氮唑单钠盐 | 2-(4-iodophenyl)-3-(2,4-dinitrophenyl)-5-(2,4-disulfophenyl)-2h-tetrazolium sodium salt | | | | |
| 51512-09-5 | 2-氯苯基乙酰氯 | 2-chlorophenylacetyl chloride | | | | |
| 51513-29-2 | | methyl malonate monoamide | C4H7NO3 | 117.10 | 39-44℃ | |
| 51513-47-4 | | 9-anthracenylmethyl 2,4,6-trimethylbenzoate | | | | |
| 51513-53-2 | | 9-anthracenylmethyl 4-benzylphenyl ether | | | | |
| 51513-55-4 | | 9-anthracenylmethyl p-tolyl sulfide | | | | |
| 51513-56-5 | | 9-anthracenylmethyl hexyl sulfide | | | | |
| 51513-58-7 | 3,7,11-三甲基-6,10-十二烷二烯醛 | 6,10-Dodecadienal, 3,7,11-trimethyl-, | | | | |
| 51513-59-8 | l-丙氨酰甘氨酸甲酯 | (S)-methyl 2-(2-aminopropanamido)acetate | | | | |
| 51513-80-5 | | boc-e-aminocaproic acid-osu | C15H24N2O6 | 328.36 | 86-90℃ | |
| 515131-35-8 | 4-甲基-3-(4,4,5,5-四甲基-[1,3,2]二氧硼杂环戊烷-2-基)苯甲酸 | 4-methyl-3-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)benzoic acid | | | | |
| 515131-51-8 | | 3-(aminomethyl)-n-methylbenzamide | | | | |
| 515135-65-6 | | 5-bromo-2-fluoro-4-methylbenzoic acid | | | | |
| 515135-67-8 | | benzamide, n-cyclopropyl-4-methyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- | | | | |
| 515137-48-1 | n-甲基-3-氟-beta-苯乙胺 | n-methyl-2-(3-fluorophenyl)ethanamine | | | | |
| 51514-00-2 | | (n-benzoyl)glycylglycine methyl ester | | | | |
| 51514-36-4 | | 1-(3-methoxythien-2-yl)ethanone | | | | |
| 515140-26-8 | 4-(环丙基氨甲酰基)苯硼酸 | 4-(cyclopropylcarbamoyl)benzeneboronic acid | | | | |
| 515141-51-2 | | gw-803430 | | | | |
| 515148-88-6 | | 5-bromo-2-n-butoxybenzaldehyde | | | | |
| 51515-51-6 | | 4',4'''-(trimethylenedioxy)diacetanilide | | | | |
| 515153-82-9 | | 3-iodo-4-methylbenzohydrazide | | | | |
| 515154-32-2 | | cyclobutyl 2-pyridyl ketone | | | | |
| 515154-33-3 | | 2-(2-chloro-5-thenoyl)pyridine | | | | |
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