| CAS编号 | 中文名 | 英文名 | 分子式 | 分子量 | 熔点 | 沸点 |
| 54998-30-0 | | ethyl 3-methoxybenzene-1-carboximidate hydrochloride | | | | |
| 54998-45-7 | | 4-amino-n-(2-(4-phenyl-1-piperazinyl)ethyl)-benzamid | | | | |
| 54998-46-8 | | 4-amino-n-(1-methyl-2-(4-(2-pyridinyl)-1-piperazinyl)ethyl)-benzamid | | | | |
| 54998-52-6 | | 4-amino-n-(2-(4-(6-methyl-2-pyridinyl)-1-piperazinyl)ethyl)-benzamid hydrat | | | | |
| 54998-55-9 | | 3-pyridinecarboxamide, 6-(acetylamino)-n-(2-(4-(2-pyridinyl)-1-piperazinyl)ethy | | | | |
| 54999-00-7 | 油酸三乙醇胺酯 | 9-Octadecenoic acid (Z)-, [(2-hydroxyethyl) imino]di-2,1-ethanediyl ester | | | | |
| 54999-07-4 | 麦角内酯 | ergolide | | | | |
| 54999-14-3 | | 7h-(1,3)diazepino(2,1-a)isoindol-7-ol, 2,3,4,5-tetrahydro-7-(3,4-dichlorophenyl | | | | |
| 54999-27-8 | | 11b-diazacyclohepta(jk)fluorene, 1,2,3,3a,4,5,6,7-octahydro-9-methyl- monohy | | | | |
| 54999-33-6 | | 1-methyl-3-(3,4-xylyl)urea | | | | |
| 55-03-8 | l-甲状腺素钠盐五水合物 | l-thyroxine sodium salt pentahydrate | | | | |
| 55-06-1 | 三碘代甲状腺素钠盐 | 3,3',5-triiodo-l-thyronine, sodium salt | C15H11I3NNaO4 | 672.95 | 205℃ | |
| 55-10-7 | 4-羟基-3-甲氧基扁桃酸 | .alpha.,4-dihydroxy-3-methoxy-Benzeneacetic acid | C9H10O5 | | | |
| 55-16-3 | | 0(sup 2,4)) non-7-yl ester, hydrochloride, (7(S)-(1-alpha,2-beta,4-beta,5-alpha | C17H21NO4.HCl | 339.81 | | |
| 55-18-5 | N-亚硝基二乙基胺 | n-nitroso-diethylamin | C4H10N2O | 102.14 | | 177℃ |
| 55-21-0 | 苯甲酰胺 | ai3-01031 | C7H7NO | 121.14 | 127-130℃ | 228℃ |
| 55-22-1 | 吡啶-4-甲酸 | isonicotinic acid | C6H5NO2 | 123.11 | 310-315℃ | 260℃(15 |
| 55-27-6 | | (±)-1-(3,4-Dihydroxyphenyl)-2-aminoethanol hydrochloride | C8H11NO3 | 169.18 | 140℃ | |
| 55-31-2 | | 3,4-dihydroxy-alpha-((methylamino)methyl)-, hydrochloride, (-)-benzyl alcoho | | | | |
| 55-34-5 | | 4'-hydroxylamino-propiophenon | | | | |
| 55-36-7 | | 4-aminoethyl-imidazol hydrochloride | | | | |
| 55-37-8 | | phosphorothioic acid, o,o-dimethyl o-(4-(methylthio)-3,5-xylyl) ester | | | | |
| 55-38-9 | 倍硫磷 | Fenthion | C10H15O3PS2 | 278.33 | | |
| 55-40-3 | (±)-3-(3,4-dihydroxyphenyl)-2-methyl-dl-alanine | 2-methyl-3-(3,4-dihydroxyphenyl)-dl-alanine | | | | |
| 55-43-6 | | n-(2-chloroethyl)-dibenzylamin hydrochloride | | | 190-193℃ | |
| 55-45-8 | | ammonium, (4-hydroxy-2-butynyl)trimethyl-, chloride, m-chlorocarbanilate | C14H18Cl2N2O2 | 317.21 | | |
| 55-48-1 | | atropine, sulfate (2:1) | C17H25NO7S | 387.44 | | |
| 55-51-6 | | n,n-bis(2-chloroethyl)-benzylamin | | | | |
| 55-52-7 | | (alpha-methylphenethyl)-hydrazin | | | | |
| 55-55-0 | 对甲氨基苯酚硫酸盐 | 4-Methyl aminophenol sulfate | C14H20N2O6S | 344.38 | 260-253℃ | |
| 55-56-1 | 洗必太 | 1,1'-hexamethylenebis[5-(p-chlorophenyl)-Biguanide | C22H30Cl2N10 | | | |
| 55-57-2 | | 1-phenyl-biguanid monohydrochloride | | | 244-247℃ | |
| 55-59-4 | 3,4-二甲氧基-dl-苯丙氨酸 | 3,4-dimethoxy-dl-phenylalanine | | | | |
| 55-63-0 | 硝酸甘油 | (component of) sdm no 17 | C3H5N3O9 | 227.09 | | |
| 55-65-2 | 胍乙啶 | (2-(hexahydro-1(2h)-azocinyl)ethyl)-guanidin | C10H22N4 | 198.31 | | |
| 55-68-5 | | nitratophenyl-mercur | C6H5HgNO3 | 339.70 | | |
| 55-70-9 | | n',n'-dimethyl-n-phenyl-2-propanediamine | | | | |
| 55-71-0 | | n',n'-dimethyl-n-phenyl-2-butanediamine | | | | |
| 55-73-2 | | 2-benzyl-1,3-dimethyl-guanidin | | | | |
| 55-80-1 | | n,n-dimethyl-p-(m-tolylazo)-anilin | | | | |
| 55-81-2 | 4-甲氧基苯乙胺 | p-methoxy-phenethylamin | C9H13NO | 151.21 | 249-128℃ | 125℃(10 |
| 55-86-7 | N-甲基双(2-氯乙基)胺盐酸盐 | diethylamine, 2,2'-dichloro-n-methyl, hydrochloride | C5H12Cl3N | 192.51 | 108-110℃ | |
| 55-91-4 | 氟磷酸二异丙酯 | Phosphorofluoridic acid, bis(1-methylethyl) ester | C6H14FO3P | 184.15 | | |
| 55-92-5 | | (2-hydroxypropyl)trimethyl-ammoniu acetate (ester) | | | | |
| 55-93-6 | | 2,5-hexanediol, dimethylsulfonate | | | | |
| 55-94-7 | | choline, bromide, succinate (2:1) | | | | |
| 55-97-0 | 溴化六甲双铵 | hexamethylenebis(trimethyl-ammoniu dibromide | C12H30Br2N2.xH2O | | 285℃ | |
| 55-98-1 | 二甲磺酸-1,4-丁二醇 | 1,4-Butanediol, dimethanesulfonate | C6H14O6S2 | 246.31 | 114-118℃ | |
| 550-10-7 | | 5-g)isoquinoline, 5,6,7,8-tetrahydro-4-methoxy-6-methyl-3-dioxolo(4 | | | | |
| 550-12-9 | | guanosine-5'-monophosphate disodium salt | | | | |
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