| 1 | 2188-09-2 | 1,1 (hexamethylene)diurea | C8H18N4O2 | 202.25412 | | |
| 2 | 2188-09-3 | Dexchlorpheniramine EP Impurity B(base) | | | | |
| 3 | 2188-15-0 | Acetaldehyde di-2-propynyl acetal | | | | |
| 4 | 2188-18-3 | N(alpha)-boc-N(omega)-nitro-L-arginine | C11H21N5O6 | 319.31 | 111-113 °C | |
| 5 | 2188-25-2 | Benzoic acid, strontium salt | C14H10O4Sr | 329.8468 | | |
| 6 | 2188-31-0 | Acetaldehyde-13C | C2H4O | 44.05256 | -125 °C (lit.) | |
| 7 | 2188-67-2 | 2-(pentylamino)ethyl 4-aminobenzoate | C14H22N2O2 | 250.34 | 66° | |
| 8 | 2188-68-3 | Lycorine hydrochloride | C16H17NO4 | 287.31 | 206 °C | |
| 9 | 21880-31-9 | Magnesium, 1,3-tetraphosphadiene-1,4-diyl- (9CI) | MgP4 | 148.2 | | |
| 10 | 21880-64-8 | Thomasic acid | C22H24O9 | 432.42 | | |
| 11 | 21880-87-5 | (S)-1,2,3,4-Tetrahydro-2-naphthylamine | C10H13N | 147.22 | | |
| 12 | 21880-88-6 | (S)-1,2,3,4-tetrahydronaphthalen-2-amine hydrochloride | C10H14ClN | 183.68 | | |
| 13 | 218800-31-8 | Benzenemethanol, α-[(1R)-1-amino-2,2-dimethylpropyl]-α-phenyl- | C18H23NO | 269.39 | | |
| 14 | 21881-18-5 | Z-PHE-ALA-OH | C20H22N2O5 | 370.4 | 151-154°C | |
| 15 | 21881-27-6 | Benzenebutanoic acid, a,2-diaMino-g-oxo-, (R)-, sulfate | C10H12N2O7S | 304.27648 | | |
| 16 | 21881-45-8 | Estradiol 3-Valerate | C23H32O3 | 356.5 | | |
| 17 | 21881-54-9 | 4-(4-Nitrophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-bis(carboxylic acid ethyl) ester | C19H22N2O6 | 374.39 | 114-115 °C | |
| 18 | 21881-61-8 | Methanimidamide, N-3-pyridinyl-N-4-pyridinyl- (9CI) | C11H10N4 | 198.2239 | | |
| 19 | 21881-77-6 | Dimethyl-2,6-Dimethyl-4(3-Nitrophenyl)-1,4-Dihydropyridine-3,5-Dicarboxylate | C17H18N2O6 | 346.33 | 211-213℃ | |
| 20 | 21881-78-7 | Bis(1-methylethyl) 2,6-Dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate | | | | |
| 21 | 2188148-58-3 | DipyridaMole IMpurity I | C28H44N8O9 | 636.7 | | |
| 22 | 2188151-66-6 | Sodium 6-methoxypyridazine-3-sulfinate | C5H7N2NaO3S | 198.17 | | |
| 23 | 2188151-68-8 | Sodium Pyrimidine-2-sulfinate | C4H5N2NaO2S | 168.15 | | |
| 24 | 2188159-10-4 | Cyclobutanecarboxylic acid, 3-oxo-, 1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl ester | C13H9NO5 | 259.21 | | |
| 25 | 2188162-94-7 | 6′′-O-β-D-Apiofuranosylapterin | C25H32O14 | 556.52 | | |
| 26 | 2188162-95-8 | 4′-O-Isobutyroylpeguangxienin | C23H26O7 | 414.45 | | |
| 27 | 2188162-96-9 | 6-(3-Methyl-2-oxobutyroyl)-7-methoxycoumarin | C15H14O5 | 274.27 | | |
| 28 | 2188162-97-0 | 6-Hydroxycoumurrayin | C16H18O5 | 290.31 | | |
| 29 | 2188177-73-1 | 1H-Pyrido[2,3-b][1,4]oxazine-6-carboxamide, 1-(3-cyclopropyl-5-methylphenyl)-2,3-dihydro-N-[[4-(methylsulfonyl)phenyl]methyl]- | C26H27N3O4S | 477.58 | | |
| 30 | 2188180-36-9 | 4-(Aminomethyl)-2-fluorobenzenesulfonamide hydrochloride | | | | |
| 31 | 2188181-83-9 | tert-Butyl 6-bromo-3,4-dihydro-1,5-naphthyridine-1(2H)-carboxylate | C13H17BrN2O2 | 313.19 | | |
| 32 | 2188184-02-1 | Valproic acid β-D-glucuronide-d6-1 | | | | |
| 33 | 21882-29-1 | Quinazoline, 6-chloro-1,2-dihydro-4-phenyl- | C14H11ClN2 | 242.7 | | |
| 34 | 21882-31-5 | 6-Quinazolinesulfonamide,2,4-diamino-N,N-diethyl- | C12H17N5O2S | 295.36068 | | |
| 35 | 21882-78-0 | Phosphine oxide, (2,2-diethoxyethenyl)diphenyl- | C18H21O3P | 316.33 | | |
| 36 | 2188204-80-8 | LightOx(TM)17 | C25H27NO2 | 373.49 | | |
| 37 | 2188204-81-9 | LightOx(TM)58 | C26H25NO2 | 383.48 | | |
| 38 | 2188211-11-0 | 4-Piperidinecarboxylic acid, 3-methyl-, hydrochloride (1:1), (3S,4S)- | C7H14ClNO2 | 179.64 | | |
| 39 | 2188211-82-5 | 4-Piperidinecarboxylic acid, 3-methyl-, hydrochloride (1:1), (3R,4R)- | C7H14ClNO2 | 179.64 | | |
| 40 | 2188216-35-3 | Piperidine-3-boronic acid pinacol ester | C11H22BNO2 | 211.11 | | |
| 41 | 2188236-16-8 | Regorafenib Impurity 9 | C21H16F4N4O3 | 448.37 | | |
| 42 | 2188236-41-9 | APS6-45 | C23H16F8N4O3 | 548.39 | | |
| 43 | 2188242-90-0 | 4-(4-methoxyphenyl)-1-(naphthalen-2-yl)butan-1-one | C21H20O2 | 304.39 | | |
| 44 | 2188243-07-2 | 1-(naphthalen-2-yl)-4-(o-tolyl)butan-1-one | C21H20O | 288.39 | | |
| 45 | 2188279-72-1 | Methyl 6-[3-(2-hydroxytricyclo[3.3.1.13,7]dec-1-yl)-4-methoxyphenyl]-2-naphthalenecarboxylate | C29H30O4 | 442.55 | | |
| 46 | 21883-07-8 | 9H-Purin-6-amine,N-[(2-methoxy-1,4-cyclohexadien-1-yl)methyl]- | C13H15N5O | 257.2911 | | |
| 47 | 21883-13-6 | 4-Methoxy-2-Methylbenzonitrile | C9H9NO | 147.17 | 104℃ | |
| 48 | 21883-14-7 | 4-METHOXY-2-METHYLBENZYLAMINE Hydrochloride | C9H13NO | 151.21 | | |
| 49 | 21883-27-2 | methyl 2-(pyridin-2-yl)propanoate | C9H11NO2 | 165.19 | | |
| 50 | 21883-34-1 | Pyridine,2-(diphenylmethyl)-, 1-oxide | C18H15NO | 261.3178 | | |
| 51 | 21883-51-2 | BERYLLIUM OXIDE HYDRATE | BeH2O2 | 43.03 | | |
| 52 | 21883-56-7 | tellurium tetranitrate | N4O12Te | 375.62 | | |
| 53 | 21883-89-6 | 6H-Cyclopropa[5',6']benz[1',2':7,8]azuleno[5,6-b]oxirene | C15H8O | 204.22 | | |
| 54 | 21884-26-4 | isopropyl 4-oxovalerate | C8H14O3 | 158.19496 | | |
| 55 | 21884-42-4 | 1'-Oxomenaquinone-7 | C46H62O3 | 662.98268 | | |
| 56 | 21884-44-6 | Rugulosin, 8,8'-dihydroxy-, (1S,1'S,2R,2'R,3S,3'S,9aR,9'aR)- | C32H26O12 | 602.545 | 278°C (rough estimate) | |
| 57 | 21884-45-7 | Rugulosin, (1S,1'S,2R,2'R,3S,3'S,9ar,9'ar)- | C30H22O10 | 542.48968 | | |
| 58 | 21884-47-9 | RUBROSKYRIN | C30H22O12 | 574.49 | | |
| 59 | 21885-10-9 | L-Cysteine, N-(carboxymethyl)- | C5H9NO4S | 179.19 | | |
| 60 | 21885-49-4 | Pyrazine, 2,3,5,6-tetrakis(4-methoxyphenyl)- | C32H28N2O4 | 504.58 | | |
| 61 | 21885-56-3 | 6H-Purine-6-thione,1,7-dihydro-7-(phenylmethyl)- | C12H10N4S | 242.2996 | | |
| 62 | 21886-12-4 | N4-(6-AMINOPYRIMIDIN-4-YL)-SULFANILAMIDE HCL | C10H12ClN5O2S | 301.75 | | |
| 63 | 21886-25-9 | Tricyclo[3.3.1.13,7]decane-1-carbonitrile, 3-bromo- | C11H14BrN | 240.14 | | |
| 64 | 21886-29-3 | Propanedioic acid, bis[[3,5-bis(1,1-dimethylethyl)-4-hydroxyphenyl]methyl]-, dioctyl ester (9CI) | C49H80O6 | 765.16 | | |
| 65 | 21886-54-4 | Ethanone, 2-chloro-1-(3-methylphenyl)- (9CI) | C9H9ClO | 168.62 | | |
| 66 | 21886-56-6 | 2,3'-DICHLOROACETOPHENONE | C8H6Cl2O | 189.04 | | |
| 67 | 21886-58-8 | 1-(3-bromophenyl)-2-chloroethanone | C8H6BrClO | 233.49 | 47-48 °C | |
| 68 | 21886-60-2 | 2-chloro-4-isopropylacetophenone | C11H13OCl | 196.67 | | |
| 69 | 21886-61-3 | Acetophenone, 2-chloro-3-ethyl- (8CI) | C10H11ClO | 182.65 | | |
| 70 | 21886-62-4 | 4-Tert-Butylphenacyl Chloride | C12H15ClO | 210.7 | 36°C | |
| 71 | 21886-63-5 | 4,4'-Methylenebis(phenol)dibenzoate | | | | |
| 72 | 21886-86-2 | sodium 3,5-dibromo-4-hydroxybenzenesulphonate | C6H3Br2NaO4S | 353.94839 | | |
| 73 | 21887-01-4 | Horminone | C20H28O4 | 332.43 | 178 °C | |
| 74 | 21887-06-9 | 14-Hydroxy-3,19-dioxobufa-4,20,22-trienolide | C24H28O5 | 396.47612 | | |
| 75 | 21887-64-9 | Boc-Orn-OH | C10H20N2O4 | 232.28 | 207-208℃ | |
| 76 | 21888-30-2 | beta-phenylpropionyl-L-phenylalanine | | | | |
| 77 | 21888-33-5 | L-Phenylalanine, N-(1-oxohexyl)- | C15H21NO3 | 263.33 | | |
| 78 | 21888-75-5 | 4,7-Epoxyfuro[3,4-c]pyridine-1,3-dione, 3a,4,7,7a-tetrahydro- | C7H5NO4 | 167.12 | | |
| 79 | 21888-92-6 | Benzenamine,4-(9H-fluoren-9-ylidenemethyl)-N-methyl- | C21H17N | 283.36638 | | |
| 80 | 21888-95-9 | Benzenamine,4-[2-(2-chlorophenyl)ethenyl]-N-methyl- | C15H14ClN | 243.73136 | | |
| 81 | 21888-96-0 | (S)-3-phenyl-1'-(phenylmethyl)[3,4'-bipiperidine]-2,6-dione monohydrochloride | C23H27ClN2O2 | 398.92568 | 270-275° | |
| 82 | 21888-97-1 | Levetimide HCl | C23H27ClN2O2 | 398.93 | | |
| 83 | 21888-98-2 | BENZETIMIDE | C23H26N2O2 | 362.46 | 181-183° | |
| 84 | 21888-99-3 | Levetimide | C23H26N2O2 | 362.46 | | |
| 85 | 21889-00-9 | Benzamide, 5-chloro-3-(1,1-dimethylethyl)-2-hydroxy-N-(2-nitrosophenyl)- | C17H17ClN2O3 | 332.78 | | |
| 86 | 21889-05-4 | 4-(1H-indol-2-yl)aniline | C14H12N2 | 208.26 | 201-202 °C(Solv: ethanol (64-17-5)) | |
| 87 | 21889-07-6 | Benzenamine, 4-[3-(1H-inden-1-ylidene)-1-propen-1-yl]-N,N-dimethyl- | C20H19N | 273.37 | | |
| 88 | 21889-09-8 | Benzene,1,4-dimethoxy-2-(2-phenylethenyl)- | C16H16O2 | 240.29704 | | |
| 89 | 21889-12-3 | 1,3-Bis[[4-(dimethylamino)phenyl]methylene]-1,3-dihydro-2H-inden-2-one | | | | |
| 90 | 21889-13-4 | 1,3-Indandione, 2- (4-dimethylaminophenylmethylene) | C18H15NO2 | 277.32 | | |
| 91 | 21889-25-8 | 4-[(3-chlorophenyl)azo]-3-hydroxy-N-(2-methylphenyl)naphthalene-2-carboxamide | C24H18ClN3O2 | 415.87162 | | |
| 92 | 21889-27-0 | 4-[(3-chlorophenyl)azo]-3-hydroxy-N-(2-methoxyphenyl)naphthalene-2-carboxamide | C24H18ClN3O3 | 431.87 | | |
| 93 | 21889-28-1 | 4-[(5-chloro-o-tolyl)azo]-3-hydroxy-2-naphth-o-anisidide | C25H20ClN3O3 | 445.9 | | |
| 94 | 21889-33-8 | Dimethyl 1,4-Dihydro-2,6-dimethyl-4-(2'-aminophenyl)-pyridine-3,5-dicarboxylate | C17H20N2O4 | 316.35 | | |
| 95 | 21889-88-3 | 6-Hepten-2-one (6CI,7CI,8CI,9CI) | C7H12O | 112.17 | | |
| 96 | 21889-89-4 | 6-methyl-7-oxabicyclo[4.1.0]heptan-2-one | C7H10O2 | 126.1531 | | |
| 97 | 2188979-34-0 | 1-{1-phenyl-1H,4H,5H,6H-pyrrolo[3,4-c]pyrazol-5-y
l}prop-2-en-1-one | C14H13N3O | 239.27 | | |