| CAS编号 | 中文名 | 英文名 | 分子式 | 分子量 | 熔点 | 沸点 |
| 512823-86-8 | | 4-bromo-1-(2-fluoro-benzyl)-3-nitro-1h-pyrazole | | | | |
| 512824-95-2 | | 4-bromo-1-(4-fluoro-benzyl)-3-nitro-1h-pyrazole | | | | |
| 512825-94-4 | | ethyl 5-cyclopropyl-7-(difluoromethyl)pyrazolo[1,5-a]pyrimidine-3-carboxylate | | | | |
| 512826-70-9 | | 6-methyl-3-(piperidin-1-ylcarbonyl)-4,5,6,7-tetrahydro-1-benzothien-2-ylamine | | | | |
| 512826-72-1 | | 3-(4-bromo-3,5-dimethyl-pyrazol-1-ylmethyl)-4-methoxy-benzaldehyde | | | | |
| 512826-89-0 | | 3-bromo-5-ethoxy-4-hydroxybenzaldehyde oxime | | | | |
| 51283-38-6 | | 1,1-dimethyl-3-oxobutylammonium hydrogen oxalate hydrate | | | | |
| 51284-68-5 | | bis(2-methylphenyl)-diazen 1-oxide | C14H14N2O | 226.27 | | |
| 51284-91-4 | | formamide-13c | | | 2-3℃ | 210℃ |
| 51284-92-5 | | formamide-18o | | | | |
| 512842-15-8 | 2-甲氧基-n-(3,4-二甲基苯基)苯甲酰胺 | 2-methoxy-n-(3,4-dimethylphenyl)benzamide | | | | |
| 51285-05-3 | 吡嗪-2-甲胺肟 | pyrazine-2-carboxamidoxime | | | | |
| 51285-07-5 | 3-(2-吡嗪基)-5-甲基-1,2,4-恶二唑 | 3-(2-pyrazinyl)-5-methyl-1,2,4-oxadiazole | | | | |
| 51285-13-3 | 环丙烷甲胺肟 | cyclopropanecarboxamidoxime | | | | |
| 51285-26-8 | | 2-amidinopyridinium chloride | C6H7N3 | 121.14 | 150-152℃ | |
| 51285-60-0 | 4,4'-二溴-2,2'-二噻吩 | 4,4'-dibromo-2,2'-bithiophene | | | | |
| 51287-17-3 | 3,4-二氢-3-苯基-2H-1,3-苯并恶嗪 | 3-Benzoxazine, 3,4-dihydro-3-phenyl-2H-1 | | | | |
| 51287-57-1 | | 5-(benzoylamino)-n-(p-chlorophenyl)-3-methyl-4-isothiazolecarboxamid | | | | |
| 51287-66-2 | | (imino((imino((phenylmethyl)amino)methyl)amino)methyl)-phosphoramidic aci m | | | | |
| 51287-84-4 | 双(十二烷基硫基)二甲基锡 | bis(dodecylthio)dimethyl-Stannane | C26H56S2Sn | 551.54 | | |
| 51288-37-0 | | n-(4-hydroxy-3-nitrophenyl)acetamide | | | | |
| 5129-00-0 | | 4-hydroxy- alpha-(4-hydroxyphenyl)-benzeneacetic aci methyl ester | | | | |
| 5129-14-6 | | anisacril | | | | |
| 5129-23-7 | 3-乙基-4-氨基苯甲酸 | 3-amino-4-ethylbenzoic acid | | | | |
| 5129-25-9 | 3-氨基-2-甲氧基苯甲酸甲酯 | methyl 3-amino-2-methoxybenzoate | | | | |
| 5129-36-2 | | 1-Methylethyl 2,2-dimethylpropanoate | C8H16O2 | 144.21 | | |
| 5129-37-3 | 2,2-二甲基丙酸丁酯 | Propanoic acid, 2,2-dimethyl-, butyl ester | | | | |
| 5129-40-8 | | Ethyl 2,2-dimethylbutanoate | C8H16O2 | 144.21 | | |
| 5129-46-4 | | propyl 2-ethylbutyrate | C9H18O2 | 158.24 | | |
| 5129-47-5 | | isopropyl 2-ethylbutyrate | C9H18O2 | 158.24 | | |
| 5129-48-6 | | butyl 2-ethylbutyrate | | | | |
| 5129-56-6 | | 10-methylundecanoic acid methyl ester | C13H26O2 | 214.34 | | |
| 5129-57-7 | | 11-methyllauric acid methyl ester | C14H28O2 | 228.37 | | |
| 5129-58-8 | | 12-methyltridecanoic acid methyl ester | C15H30O2 | 242.40 | | |
| 5129-59-9 | | 13-methylmyristic acid methyl ester | C16H32O2 | 256.42 | | |
| 5129-60-2 | | 14-methylpentadecanoic acid methyl*ester | C17H34O2 | 270.45 | | |
| 5129-61-3 | | 16-methylheptadecanoic acid methyl*ester | C19H38O2 | 298.50 | | |
| 5129-66-8 | | 12-methyltetradecanoic acid*methyl ester | C16H32O2 | 256.42 | | |
| 5129-68-0 | | rac-1,2-dipalmitoyl-glycero-3-phosphate disodium salt | C35H67Na2O8P | 692.86 | | |
| 5129-72-6 | | ethylpropionamide | C5H11NO | 101.15 | | |
| 5129-73-7 | | N-propyl-butyramide | C7H15NO | 129.20 | | |
| 51290-10-9 | | , chloride, polymer with 2-propenamide | | | | |
| 51290-26-7 | | dichlorodimethyl-silan polymer with tetrachlorosilane | | | | |
| 51290-65-4 | 4-(1,1-二甲基乙基)-α-甲基苯丙醇 | 4-(1,1-dimethylethyl)-.alpha.-methyl-Benzenepropanol | C14H22O | | | |
| 51290-77-8 | | 2-(benzylthio)-1h-benzimidazole | | | | |
| 51291-26-0 | | n-methyl-2-(phenylacetyl)hydrazinecarbothioamide | | | | |
| 51291-27-1 | | n-methyl-2-(1-naphthylacetyl)hydrazinecarbothioamide | | | | |
| 51291-31-7 | | 5-benzyl-4-methyl-4h-1,2,4-triazole-3-thiol | | | | |
| 51291-32-8 | | 4-methyl-5-(1-naphthylmethyl)-4h-1,2,4-triazole-3-thiol | | | | |
| 51292-36-5 | | ethyl 2-(1h-pyrazol-1-yl)propanoate | | | | |
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