| 1 | 3131-03-1 | mikamycin B | C45H54N8O10 | 866.96 | 198° | |
| 2 | 3131-08-6 | Phenacridane | C26H28NO.Cl | 405.966 | | |
| 3 | 3131-18-8 | Carbamic acid, [2-[[4-[bis(2-chloroethyl)amino]phenyl]amino]-2-oxoethyl]-, methyl ester (9CI) | C14H19Cl2N3O3 | 348.23 | | |
| 4 | 3131-19-9 | Acetamide, 2-(acetylamino)-N-[4-[bis(2-chloroethyl)amino]phenyl]- | C14H19Cl2N3O2 | 332.23 | | |
| 5 | 3131-20-2 | Acetamide,2-amino-N-[4-[bis(2-chloroethyl)amino]phenyl]-, hydrochloride (1:1) | C12H18Cl3N3O | 326.64982 | | |
| 6 | 3131-23-5 | 4-hydroxyestrone | C18H22O3 | 286.37 | 260-263°C | |
| 7 | 3131-26-8 | citryl-coenzyme A | C27H42N7O22P3S | 941.64 | | |
| 8 | 3131-27-9 | Ginkgotoxin hydrochloride | C9H14ClNO3 | 219.66536 | 150 °C | |
| 9 | 3131-32-6 | ANTAZOLINE METHANESULFONATE | C18H20N3O3S- | 358.4347 | | |
| 10 | 3131-52-0 | 5,6-dihydroxyindole | C8H7NO2 | 149.15 | 140 °C (decomp) | |
| 11 | 3131-54-2 | 3,5-Cyclohexadiene-1,2-dione, 4-methyl- | C7H6O2 | 122.12 | | |
| 12 | 3131-60-0 | 6-AZACYTIDINE | C8H12N4O5 | 244.2 | 215 °C | |
| 13 | 3131-63-3 | 2-Ethylbenzofuran | C10H10O | 146.19 | | |
| 14 | 3131-66-6 | LINOLEIC ACID-1-14C | C18H32O2 | 282.46 | | |
| 15 | 3131-67-7 | LINOLENIC ACID, [9,12,15-1-14C] | C18H30O2 | 280.45 | | |
| 16 | 3131-75-7 | Benzeneethanaminium,N,N-dimethyl-N-[2-oxo-2-(phenylamino)ethyl]-, bromide (1:1) | C18H23BrN2O | 363.29202 | | |
| 17 | 3131-77-9 | Benzenepropanaminium, N-[2-[(2,6-dimethylphenyl)amino]-2-oxoethyl]-N,N-dimethyl-, bromide (9CI) | C21H29BrN2O | 405.38 | | |
| 18 | 3131-78-0 | Benzeneethanaminium,N,N-dimethyl-b-oxo-N-[2-oxo-2-(phenylamino)ethyl]-,bromide (1:1) | C18H21BrN2O2 | 377.27554 | | |
| 19 | 3131-79-1 | Benzeneethanaminium, N-[2-[(2,6-dimethylphenyl)amino]-2-oxoethyl]-N,N-dimethyl-β-oxo-, bromide (1:1) | C20H25BrN2O2 | 405.34 | | |
| 20 | 3131-84-8 | glutaryl-coenzyme A | C26H42N7O19P3S | 881.63 | | |
| 21 | 31310-06-2 | 1H-Thieno[3,2-e]benzimidazole,8-methyl-(8CI) | C10H8N2S | 188.25 | | |
| 22 | 31310-08-4 | Benzoyl chloride, 4-methoxy-2-methyl- (9CI) | C9H9ClO2 | 184.62 | | |
| 23 | 31310-19-7 | ETHYL 5-AMINO-3-METHYLBENZO[B]THIOPHENE-2-CARBOXYLATE | C12H13NO2S | 235.3 | | |
| 24 | 31310-22-2 | ethyl 3-methyl-1-benzothiophene-2-carboxylate | C12H12O2S | 220.29 | | |
| 25 | 31310-24-4 | ethyl 5-bromo-3-methylbenzo[b]thiophene-2-carboxylate | C12H11BrO2S | 299.18 | | |
| 26 | 31311-74-7 | 11beta,17,21-trihydroxypregna-1,4-diene-3,20-dione 17-benzoate | C28H32O6 | 464.55 | | |
| 27 | 31313-16-3 | Benzenesulfonamide, N-[[4-(diethylamino)phenyl]imino]-4-methyl- | C17H21N3O2S | 331.43 | | |
| 28 | 31314-14-4 | Metanilic acid, 6-anilino-N-(2-nitro-4-sulfamoylphenyl)-, sodium salt | C18H16N4O7S2·Na | | | |
| 29 | 31314-15-5 | 2-(octadecylamino)ethanol | C20H43NO | 313.56 | | |
| 30 | 31314-16-6 | (Z)-2-(octadec-9-enylamino)ethanol | C20H41NO | 311.55 | | |
| 31 | 31314-17-7 | (Z,Z)-2-(di-9-octadecenylamino)ethanol | C38H75NO | 562.01 | | |
| 32 | 31314-18-8 | Ethanol, 2-(dioctadecylamino)- | C38H79NO | 566.04 | | |
| 33 | 31314-30-4 | 2-SULFO-1,4-BENZENEDICARBOXYLIC ACID 1,4-DIMETHYL ESTER SODIUM SALT | C10H9NaO7S | 296.23 | | |
| 34 | 31314-32-6 | 3,5-di-t-butyl-2-methoxybenzoic acid | C16H24O3 | 264.36 | | |
| 35 | 31314-38-2 | Prodipine | C20H25N | 279.42 | | |
| 36 | 31314-39-3 | Prodipine hydrochloride | C20H26ClN | 315.88 | | |
| 37 | 31314-86-0 | 1,2,3,4,8,9,10,11,15,16,17,18,22,23,24,25-Hexadecafluorophthalocyanine tin(Ⅳ) dichloro | C32Cl2F16N8Sn | 989.99 | | |
| 38 | 31314-90-6 | 7-Quinolinecarbodithioicacid,8-hydroxy-(8CI,9CI) | C10H7NOS2 | 221.3 | | |
| 39 | 31315-51-2 | 2,2-Dichloro-1,2-diphenylethanone | C14H10Cl2O | 265.13 | | |
| 40 | 31315-53-4 | Methanone, [4-(dibromomethyl)phenyl]phenyl- | C14H10Br2O | 354.04 | | |
| 41 | 31315-64-7 | 1-(6-Chloro-2-thioxo-2,3-dihydrobenzo[d][1,3]oxazol-3-yl)-1-butanone | C11H10ClNO2S | 255.72 | | |
| 42 | 31316-20-8 | (3beta,5Z,7E)-9,10-secocholesta-5,7,10(19)-trien-3-yl butyrate | C31H50O2 | 454.73 | | |
| 43 | 31316-42-4 | Rishitinol | C15H22O2 | 234.33 | | |
| 44 | 31316-80-0 | 2-(4-OXO-2-THIOXO-THIAZOLIDIN-3-YL)-SUCCINIC ACID | C7H7NO5S2 | 249.26 | | |
| 45 | 31317-07-4 | 1-Methyldibenzothiophene | C13H10S | 198.28 | | |
| 46 | 31317-14-3 | 1,2-DIMETHYLDIBENZOTHIOPHENE | C14H12S | 212.31 | | |
| 47 | 31317-15-4 | 1,3-DIMETHYLDIBENZOTHIOPHENE | C14H12S | 212.31 | | |
| 48 | 31317-17-6 | 2,3-DIMETHYLDIBENZOTHIOPHENE | C14H12S | 212.31 | | |
| 49 | 31317-18-7 | 2,4-DIMETHYLDIBENZOTHIOPHENE | C14H12S | 212.31 | | |
| 50 | 31317-42-7 | Dibenzothiophene, 1,8-dimethyl- | C14H12S | 212.31 | | |
| 51 | 31317-85-8 | 4,4'-bis[[4-[(2-hydroxyethyl)amino]-6-[(3-sulphophenyl)amino]-1,3,5-triazin-2-yl]amino]stilbene-2,2'-disulphonic acid, compound with 2,2',2''-nitrilotriethanol (1:4) | C60H96N16O26S4 | 1585.75584 | | |
| 52 | 31318-54-4 | Acenaphtho[1,2-c]thiophene-7,9-dicarboxylicacid, 7,9-diethyl ester | C20H16O4S | 352.40364 | | |
| 53 | 31319-12-7 | 9-Hydroxy-2-isopropyl-8-isovaleryl-6-(3-methyl-2-butenyl)-1-oxaspiro[4.4]non-8-ene-4,7-dione | C21H30O5 | 362.46 | | |
| 54 | 31319-70-7 | CXMP SODIUM SALT | C10H11N4O8P | 346.19 | | |
| 55 | 31319-90-1 | 8-benzylamino-cyclic AMP | C17H19N6O6P | 434.34 | | |