| CAS编号 | 中文名 | 英文名 | 分子式 | 分子量 | 熔点 | 沸点 |
| 51309-24-1 | | n-(3,4-dichlorophenyl)-3-oxo-butanamide | | | | |
| 51309-30-9 | | ), alpha-hydro- omega -hydroxypoly[oxy(methyl-1,2-ethanediyl)] and 1,1'-methyle | | | | |
| 51309-55-8 | | n,n'-bis(4-hydroxybenzylidene)-1,4-phenylenediamine | | | | |
| 5131-24-8 | 灭菌磷 | phosphonothioic acid, phthalimido-, o,o-diethyl ester | C12H14NO4PS | 299.28 | | |
| 5131-56-6 | | butylmercuri acetate | | | | |
| 5131-58-8 | 4-硝基-1,3-二氨基苯 | 1,3-benzenediamine,-nitro- | C6H7N3O2 | 153.14 | | |
| 5131-60-2 | 4-氯间亚苯基二胺 | 1,3-benzenediamine,-chloro- | C6H7ClN2 | 142.58 | 87-90℃ | |
| 5131-66-8 | 1-丁氧基-2-丙醇 | 1-butoxy-2-propanol-2-propanol,1-butoxy- | C7H16O2 | 132.20 | | |
| 5131-88-4 | | (difluoroamino)difluoroacetonitrile | C2F4N2 | 128.03 | | |
| 51310-19-1 | 2-(正丁氧基羰基)苯基异氰酸酯 | butyl 2-isocyanatobenzoate | | | | |
| 51310-21-5 | 2-(4-氧-3(4h)-喹唑啉基)苯甲酸甲酯 | methyl 2-(4-oxo-3(4h)-quinazolinyl)benzoate | | | | |
| 51310-54-4 | 2-(三氟甲基)吲哚 | 2-(trifluoromethyl)indole | C9H6F3N | 185.15 | 106-110°C | 256.7°C |
| 51310-55-5 | | 3-(trifluoromethyl)-1h-indole | C9H6F3N | 185.15 | | 256.7±35.0°C at 760 mmHg |
| 51310-77-1 | | vap-1 | | | | |
| 51311-17-2 | 氟化碳 | Carbon fluoride | CF | 31.009 | 500℃ | |
| 51311-41-2 | | a-factor (streptomyces | | | | |
| 51312-24-4 | | calo-gran | | | | |
| 51312-42-6 | 磷钨酸钠 | phosphotungstic acid, sodium salt | .Na3PO4.12WO3.xH2O | 2946.12(anhy) | 350°C | |
| 51314-35-3 | | ammonium, (3-carboxyallyl)trimethyl-, perchlorate, methyl ester | | | | |
| 51314-51-3 | N-丁基-1H-苯并[d]咪唑-2-胺 | N-Butyl-1H-benzo[d]imidazol-2-amine | C11H15N3 | 189.26 | | |
| 51315-07-2 | | 3-Nitro-pyridine-2-carbonitrile | C6H3N3O2 | 149.11 | | |
| 51316-12-2 | | 2-propenoic acid, 2-methyl-, butyl ester, polymer withbutyl 2-propenoate and 2-propenenitrile | | | | |
| 51317-08-9 | β-桉叶醇 | | C16H26O | 222.37 | 81-83 °C (lit.) | 156 °C at 10 Torr (lit.) |
| 51317-25-0 | | biphenylylacetic acid | | | | |
| 51317-27-2 | | (1,1'-biphenyl)carboxylic acid | | | | |
| 51317-66-9 | | 4-morpholinophenyl isothiocyanate | | | | |
| 51318-62-8 | 乙基 4-溴-3-甲基-2-but烯酸酯 | (e)-ethyl 4-bromo-3-methyl-2-butenoate | C7H11BrO2 | 207.065 | | |
| 51318-77-5 | | 3-chloro-n-(3-chloro-4-methylphenyl)propanamide | | | | |
| 51319-99-4 | | tin(ii) hexafluoroacetylacetonate | C10H2F12O4Sn | 532.79 | 71-2℃ | 125℃(2 t |
| 5132-30-9 | | | C10H8N2O4 | 220.18 | | |
| 5132-55-8 | | prochlorperazine mesilate | | | | |
| 5132-75-2 | | heptanoic acid octyl ester | C15H30O2 | 242.40 | | |
| 5132-79-6 | N1-甲基-2'-脱氧鸟苷 | 2'-Deoxy-1-methylguanosine | C11H15N5O4 | 281.27 | | |
| 5132-80-9 | 盐酸吖啶-9-羰基氯 | Acridine-9-carbonyl Chloride Hydrochloride | C14H9Cl2NO | 278.13 | | |
| 5132-81-0 | | 9-acridinecarboxylic acid, methyl ester | C15H11NO2 | 237.25 | | |
| 5132-94-5 | | 3,3'-hexamethylenebis(1-methyl-1-phenylurea) | | | | |
| 51320-63-9 | | Palladium,(methylenebis[diphenylphosphine]-P,P')bis[thiocyanato-S]-,(SP-4-2)- | C27H22N2P2PdS2 | 606.96 | | |
| 51321-47-2 | | bis(triphenylphosphine)copper(i) cyanoborohydride | C37H33BCuNP2 | 627.97 | | |
| 51321-79-0 | | n-(phosphonoacetyl)-l-aspartic aci | C6H10NO8P | 255.12 | | |
| 51322-68-0 | | methyl 3-[(aminocarbonyl)amino]thiophene-2-carboxylate | | | | |
| 51322-69-1 | 替扎尼定ep杂质a | tizanidine ep impurity a | C9H9N5S | 219.27 | | |
| 51322-72-6 | | 3-benzothiadiazol-4-amine, n-(4,5-dihydro-1h-imidazol-2-yl)-5-methyl-1 | | | | |
| 51322-75-9 | | 3-benzothiadiazole, 5-chloro-4-(2-imidazolin-2-ylamino)-1 | C9H8ClN5S | 253.71 | | |
| 51322-89-5 | | 3-benzothiadiazol-4-amine, 5,7-dichloro-n-(4,5-dihydro-1h-imidazol-2-yl)-1 | | | | |
| 51323-01-4 | 4-氨基-7-氯-2,1,3-苯并噻二唑 | 4-amino-7-chloro-2,1,3-benzothiadiazole | C6H4ClN3S | 185.63 | | |
| 51323-05-8 | | tizanidine impurity b | | | | |
| 51323-43-4 | 3-(溴甲基)苯硼酸 | (3-bromomethylphenyl)boronic acid | C7H8BBrO2 | 214.85 | 214-216°C | |
| 51323-71-8 | | dodecyl methanesulfonate | C13H28O3S | 264.43 | | |
| 51324-37-9 | 2,4,5-三氨基-6-羟基嘧啶醇二盐酸盐 | 2,4,5-Triamino-6-pyrimidinol dihydrochloride | C4H9Cl2N5O | 214.05 | >340 °C | |
| 513246-99-6 | (4-(哌嗪-1-基)苯基)硼酸 | (4-(piperazin-1-yl)phenyl)boronic acid | C10H15BN2O2 | 206.05 | | |
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