| CAS编号 | 中文名 | 英文名 | 分子式 | 分子量 | 熔点 | 沸点 |
| 55991-70-3 | | 5-(4-Bromo-phenyl)-furan-2,3-dione | C10H5BrO3 | 253.05 | | |
| 55991-71-4 | | 4-Methyl-5-phenyl-furan-2,3-dione | C11H8O3 | 188.18 | | |
| 55991-73-6 | | 4,5-Dihydro-naphtho[1,2-b]furan-2,3-dione | C12H8O3 | 200.19 | | |
| 55992-70-6 | | poly((1,1-diethylphosphorinanium-3,5-diyl)methylene bromide) | | | | |
| 55993-15-2 | | 2-[2-(2-ethoxyethoxy)ethyl]-6-hydroxy-5-1h-benz[de]isoquinoline-3(2h)-dione | | | | |
| 55993-98-1 | 2-甲基-2-丙烯酸-2-羟乙酯与2-丙烯酸丁酯、乙烯基苯、2-甲基-2-丙烯酸甲酯和2-丙烯酸的聚合物 | 2-Propenoic acid,2-methyl-,2-hydroxyethyl ester,polymer with butyl 2-propenoate,ethenylbenzene,methyl 2-methyl-2-propenoate and 2-propenoic acid | (C8H8·C7H12O2·C6H10O3·C5H8O2·C3H4O2)x | | | |
| 55994-13-3 | | 3-[(4-amino-3-methylphenyl)azo]-benzenesulfonic aci | | | | |
| 55994-28-0 | | 2-(2,6-dichlorophenyl)-1h-indene-3(2h)-dione | | | | |
| 55994-71-3 | | 2-[[4-amino-2-(cyanoamino)-1,6-dihydro-6-oxo-5-pyrimidinyl]azo]-benzoic aci | | | | |
| 55996-28-6 | 2-甲氧基-4-羟基-6-甲基嘧啶 | 2-methoxy-6-methylpyrimidin-4(1h)-one | | | | |
| 55999-15-0 | | 3-(phenethylamino)-1-cyclohexanol hydrochloride | | | | |
| 55999-69-4 | | Methanaminium,N,N,N-trimethyl-,salt with periodic acid(HIO4)(1:1) | C4H12INO4 | 265.05 | | |
| 55999-73-0 | | Iodic acid(HIO3)compd. with 1,2-ethanediamine(2:1) | C2H10I2N2O6 | 411.92 | | |
| 56-03-1 | | biguanide | | | | |
| 56-04-2 | 甲硫氧嘧啶 | methyl-thiouracil | C5H6N2OS | 142.18 | 330℃ | |
| 56-05-3 | 2-氨基-4,6-二氯嘧啶 | 4,6-dichloro-2-Pyrimidinamine | C4H3Cl2N3 | 163.99 | 219-226℃ | |
| 56-06-4 | 2,4-二氨基-6-羟基嘧啶一水合物 | 2,4-diamino-6-hydroxy pyrimidine | | | | |
| 56-09-7 | 2-氨基-4,6-二羟基嘧啶 | 2-Aminopyrimidine-4,6-diol | C4H5N3O2 | 127.10 | 300℃ | |
| 56-10-0 | β-氨基乙基异硫脲二氢溴酸盐 | (2-aminoethyl)-2-thio-pseudoure dihydrobromide | C3H11Br2N2S | 281.03 | 190-196℃ | |
| 56-12-2 | 氨酪酸 | 4-Aminobutyric acid;4-Aminobutanoic acid;GABA | C4H9NO2 | 103.12 | 197-204℃ | |
| 56-13-3 | | acetylcholine hydroxide | | | | |
| 56-17-7 | 胱胺二盐酸盐 | 2,2'-dithiobis-ethylamin dihydrochloride | C4H14Cl2N2S2 | 225.194 | | |
| 56-18-8 | N-(3-氨丙基)-1,3-丙二胺 | 1,3-Propanediamine,N-(3-aminopropyl)- | C6H17N3 | 131.22 | | 116℃(9 t |
| 56-22-4 | | te 393 | | | | |
| 56-23-5 | 四氯化碳 | tetrachloro-methane | CCl4 | 153.82 | -23-23℃ | 76℃ |
| 56-24-6 | | hydroxytrimethyl-stannan | C3H10OSn | 180.80 | 118℃ | |
| 56-25-7 | 银黄色光泽彩 | 4,7-Epoxyisobenzofuran-1,3-dione,hexahydro-3a,7a-dimethyl-,(3a.alpha.,4.beta.,7.beta.,7a.alpha.)- | C10H12O4 | 196.20 | | |
| 56-28-0 | | triclodazole | | | | |
| 56-29-1 | | 5-(1-Cyclohexene-1-yl)-1,5-dimethylbarbituric acid | C12H16N2O3 | 236.27 | | |
| 56-33-7 | 1,1,3,3-四甲基-1,3-二苯基二硅氧烷 | 1,1,3,3-tetramethyl-1,3-diphenyl-disiloxane | C16H22OSi2 | 286.52 | | 155℃(13 |
| 56-34-8 | 四乙基氯化铵一水合物 | tetraethylammonium chloride,monohydrate | C8H20ClN | 165.71 | | |
| 56-35-9 | 丁蜗锡 | lastanox f | C24H54OSn2 | 596.06 | | 180℃(2 t |
| 56-36-0 | 乙酸三丁基锡 | acetoxytributyl-stannan | | | | |
| 56-37-1 | 苄基四乙基铵氯化物 | Benzenemethanaminium, N,N,N-triethyl-, chloride | C13H22ClN | 227.28 | 185℃ | |
| 56-38-2 | 1605 | O,O-diethyl O-(4-nitrophenyl)phosphorothioate | C10H14NO5PS | 291.26 | | |
| 56-39-3 | | glycine-carboxy-14c hydrochloride | C2H5NO2.HCl | 111.52 | | |
| 56-40-6 | 氨基醋酸 | Aminoethanoec acid | C2H5NO2 | 75.07 | 245-245℃ | |
| 56-41-7 | L-氨基丙酸 | Amino propionic acid | C3H7NO2 | 89.09 | | |
| 56-45-1 | L-丝氨酸 | Serine | C3H7NO3 | 105.09 | 222℃ | |
| 56-47-3 | 乙酸脱氧皮质甾酮 | deoxycorticosterone acetate | C23H32O4 | 372.51 | | |
| 56-49-5 | 3-甲基胆蒽 | 3-methyl-cholanthren | C21H16 | 268.35 | 178-181℃ | 280℃(80 |
| 56-53-1 | 已烯雌酚 | (E)-3,4-Bis(4-hydroxyphenyl)-3-hexene | C18H20O2 | 268.35 | 169-175℃ | |
| 56-54-2 | 喹尼丁 | quinidine | C20H24N2O2 | 324.42 | 166-169℃ | |
| 56-55-3 | 苯并蒽 | Benz[a]anthracene solution | C18H12 | 228.29 | 158-161℃ | 437.6℃ |
| 56-57-5 | 4-硝基喹啉N-氧化物 | 4-Nitroquinoline N-oxide | C9H6N2O3 | 190.15 | 154-156℃ | |
| 56-59-7 | | felypressin | | | | |
| 56-65-5 | 5'-三磷酸腺苷 | 5'-atp | | | | |
| 56-69-9 | | 5-hydroxy-tryptopha | | | | |
| 56-72-4 | 蝇毒磷 | Phosphorothioic acid,esters,O-(3-chloro-4-methyl-2-oxo-2H-1-benzopyran-7-yl)O,O-diethyl ester | C14H16ClO5PS | 362.77 | | |
| 56-73-5 | | d-glucose, 6-(dihydrogen phosphate) | C6H13O9P | 260.13 | | |
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