| CAS编号 | 中文名 | 英文名 | 分子式 | 分子量 | 熔点 | 沸点 |
| 55599-71-8 | | toxin, mushroom, flammulina velutipes | | | | |
| 55599-74-1 | | galantin i | | | | |
| 556-02-5 | D-酪胺酸 | d-tyrosine | C9H11NO3 | 181.19 | 310-314℃ | |
| 556-03-6 | DL-酪氨酸 | (±)-2-Amino-3-(4-hydroxyphenyl)propionic acid | C9H11NO3 | 181.19 | 325 °C | |
| 556-08-1 | 对乙酰氨基苯甲酸 | p-acetamidobenzoic | C9H9NO3 | 179.180 | 259-262 °C (dec.)(lit.) | |
| 556-10-5 | (4-硝基苯基)尿素 | (4-nitrophenyl)urea | C7H7N3O3 | 181.15 | 217°C(lit.) | |
| 556-12-7 | | 3-amino-6-(2-(5-nitro-2-furyl)vinyl)-as-triazin | | | | |
| 556-18-3 | 4-氨基苯甲醛 | 4-Amino-Benzaldehyde | C7H7NO | 121.14 | | 278.1°C at 760 mmHg |
| 556-21-8 | 4-(甲基氨基)苯甲醛 | 4-(Methylamino)benzaldehyde | C8H9NO | 135.16 | | |
| 556-22-9 | | 2-heptadecyl-2-imidazolin monoacetate | | | | |
| 556-24-1 | 3-甲基-丁酸甲酯 | methyl isovalerate | C6H12O2 | 116.16 | | |
| 556-27-4 | 蒜氨酸 | 3-(Allylsulfinyl)alanine | C6H11NO3S | 177.21 | | |
| 556-28-5 | | carbonic acid, yttrium(3++) salt (3:2) | | | | |
| 556-32-1 | 丁二酸镁 | Magnesium succinate | C4H4MgO4 | 140.38 | | |
| 556-33-2 | 甘氨酰-甘氨酰-甘氨酸 | Glycine,N-(N-glycylglycyl)- | C6H11N3O4 | 189.17 | 240-250℃ | |
| 556-37-6 | | magnesium divalerate | | | | |
| 556-38-7 | | pentanoic acid, zinc salt | | | | |
| 556-45-6 | | magnesium dibutyrate | | | | |
| 556-48-9 | 1,4-环己二醇 | 1,4-cyclohexanediol(cis-and trans-mixture) | C6H12O2 | 116.16 | 98-151℃ | 149℃(20 |
| 556-50-3 | N-甘氨酰甘氨酸 | Glycine,N-glycyl- | C4H8N2O3 | 132.12 | 262-264℃ | |
| 556-52-5 | 2,3-环氧-1-丙醇 | 2,3-Epoxyproqanol | C3H6O2 | 74.08 | -54℃ | 160-161℃ |
| 556-53-6 | 盐酸正丙胺 | n-Propylaminc hydrochloride | C3H10ClN | 95.57 | 160-164℃ | |
| 556-56-9 | 3-碘代-1-丙烯 | allyliodide | C3H5I | 167.98 | -99-103℃ | 102-103℃ |
| 556-61-6 | 硫代异氰酸甲酯 | Isothiocyanic Acid Methyl Ester | C2H3NS | 73.12 | 30-36℃ | 117-120℃ |
| 556-63-8 | 甲酸锂盐 | Lithium formate | CHLiO2 | 51.96 | 270℃ | |
| 556-64-9 | 硫氰酸甲酯 | thiocyanato-methan | C2H3NS | 73.12 | -5-5℃ | 131℃ |
| 556-65-0 | | thiocyanic acid, lithium salt (1:1) | | | | |
| 556-67-2 | 八甲基环四氧硅烷 | octamethyl-Cyclotetrasiloxane | C8H24O4Si4 | 296.62 | 17-18℃ | 175-176℃ |
| 556-68-3 | 十六甲基环八硅氧烷 | hexadecamethylcyclooctasiloxane | C16H48O8Si8 | 593.23 | | 168°C|20mmHg(lit.) |
| 556-69-4 | 十八甲基辛硅氧烷 | octadecamethyloctasiloxane | C18H54O7Si8 | 607.30 | | 310.45 °C |
| 556-70-7 | | docosamethyldecasiloxane | C22H66O9Si10 | 755.61 | | |
| 556-71-8 | 十八甲基环九硅氧烷 | octadecamethylcyclononasiloxane | C18H54O9Si9 | 667.38 | -27°C(lit.) | |
| 556-72-9 | | 2,2,4,6,6-pentamethyl tetrahydro-pyrimidin | | | | |
| 556-76-3 | | sulfuric acid, monopentyl ester, sodium salt | C5H12O4S | 168.20 | 204-207ºC(lit.) | |
| 556-81-0 | | hexamethionium hydroxide solution | C12H32N2O2 | 236.39 | | |
| 556-82-1 | 3-甲基-2-丁烯-1-醇 | 3-Methyl-2-butene-1-ol | C5H10O | 86.13 | | 140℃ |
| 556-88-7 | 硝基胍 | Guanidine,nitro- | CH4N4O2 | 104.07 | 239℃ | |
| 556-89-8 | 硝基脲 | nitro-ure | CH3N3O3 | 105.05 | | |
| 556-90-1 | | 2-imino-4-thiazolidinon | C3H4N2OS | 116.14 | 249℃ | 253.5°C |
| 556-91-2 | 叔丁醇铝 | 2-methyl-2-propano aluminum salt | C12H27AlO3 | 246.32 | 208-210℃ | 156℃(2 t |
| 556-96-7 | 1-溴-3,5-二甲基苯 | 1-bromo-3,5-dimethylbenzene | C8H9Br | 185.06 | | 202℃ |
| 556-97-8 | | 5-chloro-m-xylen | C8H9Cl | 140.61 | | 187°C(lit.) |
| 556-99-0 | | diimidotricarbonic diamide | C3H6N4O3 | 146.11 | | |
| 5560-59-8 | 枸橼酸阿尔维林 | alverine citrate | C20H27N.C6H8O7 | 473.56 | | |
| 5560-62-3 | | [1,1'-biphenyl]-3-carboxylic acid, 2-hydroxy-, 2-(diethylamino)ethyl ester, hyd | | | | |
| 5560-69-0 | | ethyldibunate | | | | |
| 5560-72-5 | | 5-(3-(dimethylamino)propyl)-6,7,8,9,10,11-hexahydro-5h-cyclooct(b)indol | C19H28N2 | 284.44 | | |
| 5560-77-0 | | | | | | |
| 5560-78-1 | | acetamide, n,n'-(1,4-phenylenebis(methylene))bis(2,2-dichloro-n-(2-ethoxyethyl) | | | | |
| 55600-34-5 | | clophen a-30 | | | | |
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