| CAS编号 | 中文名 | 英文名 | 分子式 | 分子量 | 熔点 | 沸点 |
| 52107-98-9 | 3-碘-4-甲基苯甲酰氯 | 3-iodo-4-methylbenzoyl chloride | | | | |
| 521074-77-1 | | 6-(4-methylphenyl)-3-pyridinecarboxylic acid | | | | |
| 521074-81-7 | n-乙基-2-(4-哌啶氧基)乙酰胺 | n-ethyl-2-(4-piperidinyloxy)acetamide | | | | |
| 52108-54-0 | | phosphoric acid, 2-ethylhexyl ester, zinc salt | | | | |
| 52108-64-2 | 黄风精 | Cucumber extract | | | | |
| 52108-93-7 | | lignin, ammonium salt | | | | |
| 52109-23-6 | | 17,20-dithiahexatriacontane | | | | |
| 52109-27-0 | | 3-ethyl-1'-(1,2,3,4-tetrahydro-2-naphthyl)-spiro(morpholine-4'-piperidine) | | | | |
| 52109-31-6 | | spiro(oxazolidine-5,4'-piperidine), 3,4-diethyl-1'-(1,2,3,4-tetrahydro-2-naphth | | | | |
| 52109-66-7 | 2,3-二氰基-5-苯吡嗪 | 2,3-dicyano-5-phenylpyrazine | | | | |
| 52109-67-8 | 2,3-二氰基-6-甲基-5-苯吡嗪 | 2,3-dicyano-6-methyl-5-phenylpyrazine | | | | |
| 52109-85-0 | | furan-2-carboxylic acid (3-nitro-phenyl)-amide | | | | |
| 521093-90-3 | | 4-cyano-3-fluorophenylzinc bromide 0.5 m in tetrahydrofuran | | | | |
| 5211-02-9 | | (3-chloro-4-ethoxyphenyl)amine | | | | |
| 5211-04-1 | | 3-chloro-4-isopropoxyaniline | | | | |
| 5211-23-4 | | n-carbobenzyloxy-l-proline methyl ester | | | | |
| 5211-44-9 | 2,3,5,6-四氟-4-巯基苯甲酸 | 2,3,5,6-tetrafluoro-4-mercapto-Benzoic acid | | | | |
| 5211-62-1 | 2-甲氧基苯基丙酮 | 2-methoxyphenylacetone | C10H12O2 | 164.20 | | 127-130℃ |
| 52110-03-9 | | Calcium vanadium oxide | CaO30V12 | 1131.36 | | |
| 52110-05-1 | | silicic acid, magnesium zirconium salt | | | | |
| 52110-08-4 | | Strontium vanadium oxide | O30SrV12 | 1178.90 | | |
| 52110-55-1 | | mucidin | | | | |
| 52111-97-4 | | 2,3-Dibromo-1-butene | C4H6Br2 | 213.90 | | |
| 52112-09-1 | | bis(trifluoroacetoxy)dibutyl-stannan | | | | |
| 52112-19-3 | | (perfluorooctyl)trimethylsilane | | | | |
| 52112-25-1 | | 2-pentadecyne | C15H28 | 208.38 | | |
| 52112-26-2 | 溴丁基二甲基氯硅烷 | 4-bromobutyldimethylchlorosilane | | | | |
| 52112-66-0 | | 2-amino-6-bromo-benzoxazol | | | | |
| 52112-67-1 | | 2-amino-5,7-dibromo-benzoxazol | | | | |
| 52112-68-2 | | 2-amino-6-chloro-benzoxazol | | | | |
| 52113-69-6 | | 6-bromo-2,2-dimethyl-4h-benzo[d][1,3]dioxine | | | | |
| 52115-68-1 | | 5-ethyl-1h-pyrrole-2-carbaldehyde | | | | |
| 52116-07-1 | | (1,3-dimethoxy-1,3-dimethylbutyl)(1,1-dimethylethyl)-diazen | | | | |
| 52116-16-2 | | n-[(2e)-1-(4,5-dihydro-1h-imidazol-2-yl)-2-imidazolidinylidene](2-furyl)methanamine hydroiodide | | | | |
| 52116-27-5 | | 5-allyl-5-(2-(cyclohexylamino)propyl)-barbituric aci | | | | |
| 52116-31-1 | | 1,3-diazabicyclo(3.2.1)octane-2,4,8-trione, 3-cyclohexyl-5-(2-(cyclohexylamino) | | | | |
| 52116-81-1 | 3氰基肉桂酸甲酯 | methyl 3-cyanocinnamate | | | | |
| 52116-83-3 | 4-氰基肉桂酸甲酯 | methyl 4-cyanocinnamate | | | | |
| 52117-00-7 | | diethyl 2-(acetylamino)-2-(3-cyanobenzyl)malonate | | | | |
| 52117-01-8 | | diethyl 2-(acetylamino)-2-(4-cyanobenzyl)malonate | | | | |
| 52117-13-2 | | n-(alpha,alpha-dimethylphenethyl)formamide | | | | |
| 52117-69-8 | 醋酸丁胆碱 | pinobanksin 3-acetate | | | | |
| 52118-10-2 | | 2,2'-(ethylenedioxy)dibenzaldehyde | | | | |
| 52118-86-2 | 3-(三氟甲基)-5-异丙基-1h-吡唑 | 3-(trifluoromethyl)-5-isopropyl-1h-pyrazole | | | | |
| 52119-01-4 | | ethyl 2,3-dicyano-3-methylbutyrate | | | | |
| 52119-38-7 | | ethyl 3-nitrobenzoylacetate | | | 75-77℃ | |
| 52119-39-8 | | Ethyl 2-nitrobenzoylacetate | O2NC6H4COCH2CO2CH2CH3 | 237.21 | 30-34 ℃(lit.) | |
| 5212-67-9 | | 6-methyl-6-heptenoic acid | | | | |
| 5212-71-5 | 7-甲基-7-辛烯酸 | 7-methyl-7-octenoic acid | | | | |
| 5212-99-7 | | 3'',4'',5-trichloro-2-hydroxy-3-biphenylcarboxanilid | | | | |
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