| 1 | 522-12-3 | quercetin-3-rhamnoside | C21H20O11 | 448.377 | | |
| 2 | 522-27-0 | di-2-furylethanedione dioxime | C10H8N2O4 | 220.182 | | |
| 3 | 522-48-5 | tetrahydrozoline hydrochloride | C13H17ClN2 | 236.74 | | |
| 4 | 522-51-0 | dequalinium chloride | C30H40Cl2N4 | 527.571 | >300℃ | |
| 5 | 522-66-7 | hydroquinine | C20H26N2O2 | 326.433 | | |
| 6 | 522-75-8 | Thioindigo | C16H8O2S2 | 296.363 | | |
| 7 | 522-97-4 | 5,8,13,13a-tetrahydro-9,10-dimethoxy-6H-benzo[g]benzo-1,3-dioxolo[5,6-a]quinolizine | C20H21NO4 | 339.389 | | |
| 8 | 5220-49-5 | 3-Amino-2-cyclohexen-1-one | C6H9NO | 111.142 | | |
| 9 | 52200-48-3 | 2-Chloro-3-Bromo Pyridine | C5H3BrClN | 192.441 | 54-57℃ | |
| 10 | 52200-90-5 | 4-amino-2-methoxyphenol | C7H9NO2 | 139.152 | | |
| 11 | 52204-65-6 | 4-propylcyclohexan-1-ol | C9H18O | 142.239 | | |
| 12 | 52205-73-9 | Estramustine sodium phosphate | C23H30Cl2NNa2O6P | 564.347 | | |
| 13 | 52207-48-4 | Thiosulfuric acid, S,S'-(2-(dimethylamino)-1,3-propanediyl) ester, disodium salt | C5H11NNa2O6S4 | 355.384 | 194-196℃ | water 500,methanol 20, acetone 2.5X10-4 (g/l,20°C) |
| 14 | 52208-50-1 | 2,6-Dichloro-3-fluoropyridine | C5H2Cl2FN | 165.98 | 44-46℃ | |
| 15 | 5221-62-5 | 1-(prop-2-ynyl)urea | C4H6N2O | 98.1032 | | |
| 16 | 52210-86-3 | 2-Imidazolidinone, 1-(4-piperidinyl)- | C8H15N3O | | | |
| 17 | 52210-93-2 | 2-{[4-(prop-2-en-1-yloxy)phenoxy]methyl}oxirane | C12H14O3 | 206.238 | | |
| 18 | 52212-02-9 | Pipecuronium bromide | C35H62Br2N4O4 | 762.699 | | |
| 19 | 52214-84-3 | ciprofibrate | C13H14Cl2O3 | 289.155 | | |
| 20 | 52215-41-5 | 3-fluoro-5-methylaniline | C7H8FN | 125.144 | | |
| 21 | 52217-52-4 | 7-Octenyltrichlorosilane | C8H15Cl3Si | 245.649 | | |
| 22 | 52217-57-9 | 7-Octenyltrimethoxysilane | C11H24O3Si | 232.392 | | |
| 23 | 52217-60-4 | 1,8-Bis(triethoxysilyl)octane | C20H46O6Si2 | 438.747 | | |
| 24 | 52218-35-6 | 2-[(6-amino-2-naphthyl)sulphonyl]ethanol | C12H13NO3S | 251.301 | | |
| 25 | 5222-73-1 | 3,4-Dimethoxy-3-cyclobutene-1,2-dione | C6H6O4 | 142.109 | 54-57℃ | |
| 26 | 52221-92-8 | 3-(2-Bromo-phenyl)-propan-1-ol | C9H11BrO | 215.087 | | |
| 27 | 52222-73-8 | 1H-Pyrazole, 4-(trifluoromethyl)- | C4H3F3N2 | | | |
| 28 | 52222-87-4 | 6-Benzoyl-2-naphthol | C17H12O2 | 248.276 | 161-162℃ | |
| 29 | 52227-33-5 | 1-(chloroacetyl)azepane | C8H14ClNO | 175.656 | | |
| 30 | 5223-06-3 | 5-ETHYL-2-PYRIDYLETHANOL | C9H13NO | 151.21 | | |
| 31 | 52232-33-4 | BBOT | C26H26N2O2S | 430.56 | | |
| 32 | 52232-67-4 | Teriparatide | C181H291N55O51S2·C2H4O< | 4177.77 | | |
| 33 | 52234-21-6 | tricyclo[3.3.1.13,7]decane-1,3-diyldimethanamine | C12H22N2 | 194.316 | | |
| 34 | 52234-82-9 | 2-[(3-aziridin-1-ylpropionyl)methyl]-2-ethylpropane-1,3-diyl bis(aziridine-1-propionate) | C21H35N3O6 | 425.519 | | |
| 35 | 52238-92-3 | C.I.Pigment Red 242 | C42H22Cl4F6N6O4 | 930.464 | | |
| 36 | 52239-04-0 | methyl N-ethyl-N-[4-[(5-nitro-2,1-benzisothiazol-3-yl)azo]phenyl]-β-alaninate | C19H19N5O4S | 413.45 | | |
| 37 | 52240-25-2 | 4-(4-chlorophenyl)-3-methyl-4-oxobutanoic acid | C11H11ClO3 | 226.656 | | |
| 38 | 52250-50-7 | 1-Phenyl-3,4-dihydroisoquinoline | C15H13N | 207.27 | | |
| 39 | 52253-69-7 | 2-Amino-4-phenylthiazole hydrobromide monohydrate | C9H11BrN2OS | 275.165 | 180-185℃ | |
| 40 | 52256-37-8 | Solvent Orange 62 | C32H23CrN10O8 | 727.583 | | |
| 41 | 5226-51-7 | 2,2-dimethyl-1,4-dihydro-3,1-benzoxazine | C10H13NO | 163.216 | | |
| 42 | 522651-42-9 | Sodium 2,5-difluorobenzoate | C7H3F2NaO2 | 180.084 | | |
| 43 | 522651-44-1 | sodium 3,4-difluorobenzoate | C7H3F2NaO2 | 180.084 | | |
| 44 | 5227-53-2 | 1H-Azepine-2-carboxylicacid, hexahydro- | C7H13NO2 | 143.184 | | |
| 45 | 52273-77-5 | 2-(3-Aminophenyl)ethanol | C8H11NO | 137.179 | 51-53℃ | |
| 46 | 5228-48-8 | 2-Methyl-5-nitro-2H-indazole | C8H7N3O2 | 177.16 | 161-163℃ | |
| 47 | 5228-49-9 | 1-Methyl-5-nitroindazole | C8H7N3O2 | 177.16 | | |
| 48 | 5228-61-5 | Benzenamine, 5-bromo-2-nitro- | C6H5BrN2O2 | 217.02 | | |
| 49 | 52286-58-5 | Ginsenoside Rf | C42H72O14 | 801.013 | | |
| 50 | 52286-74-5 | Ginsenoside Rg2 | C42H72O13 | 785.013 | | |
| 51 | 52287-51-1 | 3,4-Ethylenedioxybromobenzene | C8H7BrO2 | 215.044 | | |
| 52 | 52289-54-0 | 4-methoxy-2-methylbenzaldehyde | C9H10O2 | 150.174 | | |
| 53 | 52298-44-9 | 2,5-Dimethoxyaniline-4-Sulfoanilide | C14H16N2O4S | 308.353 | | |