| 1 | 5252-40-4 | 3-Hydroxy-8,9-dimethoxy-6H-benzofuro[3,2-c][1]benzopyran-6-one | 3-Hydroxy-8,9-dimethoxy-6H-benzofuro[3,2-c][1]benzopyran-6-one | C17H12O6 | | |
| 2 | 5252-47-1 | 2,3-二氢-1H-吡喃并[3,2-f]喹啉-1-酮 | 2,3-dihydropyrano[3,2-f]quinolin-1-one | C12H9NO2 | | |
| 3 | 5252-79-9 | | Ethanethioic acid, 2-[2-(aminocarbonyl)phenoxy]-, S-[2-(diethylamino)ethyl] ester | C15H22N2O3S | | |
| 4 | 5252-98-2 | 4,5-二氯-2-甲基苯甲酸 | 4,5-Dichloro-2-methylbenzoic acid | C8H6Cl2O2 | | |
| 5 | 52520-25-9 | (2'R,10R,13S)-5'-METHOXY-10,13-DIMETHYL-1,2,3,4,4',5',7,8,9,10,11,12,13,14,15,16-HEXADECAHYDRO-3'H-SPIRO[CYCLOPENTA[A]PHENANTHRENE-17,2'-FURAN]-3-OL | (2'R,10R,13S)-5'-METHOXY-10,13-DIMETHYL-1,2,3,4,4',5',7,8,9,10,11,12,13,14,15,16-HEXADECAHYDRO-3'H-SPIRO[CYCLOPENTA[A]PHENANTHRENE-17,2'-FURAN]-3-OL | C23H36O3 | | |
| 6 | 52520-27-1 | Drospirenone Lactol IMpurity | Drospirenone Lactol IMpurity | C22H32O3 | | |
| 7 | 52521-22-9 | Cyclopentanecarboxylic acid, 1-amino-3-methyl-, (1R-trans)- (9CI) | Cyclopentanecarboxylic acid, 1-amino-3-methyl-, (1R-trans)- (9CI) | C7H13NO2 | | |
| 8 | 52521-23-0 | Cyclopentanecarboxylic acid, 1-amino-3-methyl-, (1S-cis)- (9CI) | Cyclopentanecarboxylic acid, 1-amino-3-methyl-, (1S-cis)- (9CI) | C7H13NO2 | | |
| 9 | 52521-41-2 | | 2-Hexenedioic acid, 4-(1-methylethyl)-, (E)- (9CI) | C9H14O4 | | |
| 10 | 52522-40-4 | 三(二亚苄基茚丙酮)二钯(0)氯仿加合物 | Tris(dibenzylideneacetone)dipalladium (0) chloroform adduct | C52H31Cl3O3Pd2 | 钯;二钯;贵金属;膦配体;催化剂;通用试剂;钯催化剂;有机原料;金属化合物;医药中间体 | |
| 11 | 52522-49-3 | 1-对硝基苯甲酸-2,3,5-三苄氧基-D-阿拉伯呋喃糖苷 | 2,3,5-Tri-O-benzyl-1-O-(p-nitrobenzoyl)-D-arabinose | C33H31NO8 | 中间体;有机化学;医药原料;医用原料 | |
| 12 | 52522-55-1 | (6aR,8R,10aR)-6a,7,8,9,10,10a-Hexahydro-6,6-dimethyl-9-methylene-3-pentyl-6H-dibenzo[b,d]pyran-1,8-diol | (6aR,8R,10aR)-6a,7,8,9,10,10a-Hexahydro-6,6-dimethyl-9-methylene-3-pentyl-6H-dibenzo[b,d]pyran-1,8-diol | C21H30O3 | | |
| 13 | 52522-56-2 | (6aR)-6aβ,7,8,9,10,10a-Hexahydro-6,6,9β-trimethyl-3-pentyl-6H-dibenzo[b,d]pyran-1,9α-diol | (6aR)-6aβ,7,8,9,10,10a-Hexahydro-6,6,9β-trimethyl-3-pentyl-6H-dibenzo[b,d]pyran-1,9α-diol | C21H32O3 | | |
| 14 | 52522-57-3 | (6aR,8R,10aR)-6a,7,8,9,10,10a-Hexahydro-6,6-dimethyl-9-methylene-3-pentyl-6H-dibenzo[b,d]pyran-1,8-diol diacetate | (6aR,8R,10aR)-6a,7,8,9,10,10a-Hexahydro-6,6-dimethyl-9-methylene-3-pentyl-6H-dibenzo[b,d]pyran-1,8-diol diacetate | C25H34O5 | | |
| 15 | 52522-94-8 | 2-(benzoyloxy)-1,2-dihydro-1-acenaphthylenyl benzoate | 2-(benzoyloxy)-1,2-dihydro-1-acenaphthylenyl benzoate | C26H18O4 | | |
| 16 | 52522-96-0 | 2-(acetyloxy)-1,2-dihydro-1-acenaphthylenyl acetate | 2-(acetyloxy)-1,2-dihydro-1-acenaphthylenyl acetate | C16H14O4 | | |
| 17 | 52522-97-1 | 5-nitro-2,4-bis-O-trimethylsilyluracil | 5-nitro-2,4-bis-O-trimethylsilyluracil | C10H19N3O4Si2 | | |
| 18 | 52522-99-3 | 5-碘-2,4-二甲氧基嘧啶 | 5-iodo-2,4-dimethoxypyrimidine | C6H7IN2O2 | 嘧啶;其它;通用试剂;杂环砌块;医药中间体 | |
| 19 | 52523-22-5 | Pyrimidine, 2-[(trimethylsilyl)oxy]- (9CI) | Pyrimidine, 2-[(trimethylsilyl)oxy]- (9CI) | C7H12N2OSi | | |
| 20 | 52523-24-7 | | 2(1H)-Pyrimidinone, 1-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)- | C30H24N2O8 | | |
| 21 | 52523-25-8 | Pyrimidine,4-[(trimethylsilyl)oxy]-(9CI) | Pyrimidine,4-[(trimethylsilyl)oxy]-(9CI) | C7H12N2OSi | | |
| 22 | 52523-31-6 | Quinoline, 2-[(trimethylsilyl)oxy]- (9CI) | Quinoline, 2-[(trimethylsilyl)oxy]- (9CI) | C12H15NOSi | | |
| 23 | 52523-35-0 | N-(三甲基硅基)-4-(三甲基硅氧基)-1,3,5-三嗪-2-胺 | N-(Trimethylsilyl)-4-[(trimethylsilyl)oxy]-2-amine-1,3,5-triazin | C9H20N4OSi2 | | |
| 24 | 52523-38-3 | | 2,4(1H,3H)-Pyrimidinedione, 1-[(2R)-2,5-dihydro-5-methylene-2-furanyl]-5-methyl- | C10H10N2O3 | | |
| 25 | 52523-42-9 | 4',5'-Didehydro-5'-deoxycytidine | 4',5'-Didehydro-5'-deoxycytidine | C9H11N3O4 | | |
| 26 | 52523-53-2 | 2-Amino-4-hexynoic acid | 2-Amino-4-hexynoic acid | | | |
| 27 | 52523-54-3 | | Decanamide, 2-methyl- | C11H23NO | | |
| 28 | 52523-57-6 | mercury(+2) cation: 5-oxo-3,4-dihydropyrrol-2-olate | mercury(+2) cation: 5-oxo-3,4-dihydropyrrol-2-olate | C4H4HgNO2+ | | |
| 29 | 52525-23-2 | 氯菊素 | Chlorochrymorin | C15H21ClO5 | | |
| 30 | 52525-35-6 | 槲皮素3-O-洋槐糖苷 | Quercetin 3-O-robinobioside | C27H30O16 | 黄酮;标准品;植物提取物;中药对照品;标准品 -对照药材 | |
| 31 | 52525-43-6 | 4,4'-methylenebis[3-hydroxy-2-naphthoic] acid, compound with 10-[3-(4-methyl-1-piperazinyl)propyl]-2-(trifluoromethyl)-10H-phenothiazine | 4,4'-methylenebis[3-hydroxy-2-naphthoic] acid, compound with 10-[3-(4-methyl-1-piperazinyl)propyl]-2-(trifluoromethyl)-10H-phenothiazine | C44H40F3N3O6S | | |
| 32 | 52525-52-7 | 5,5'-DIMETHYL-9-ETHYL-3-(2-HYDROXY-ETHYL)-3'-(3-SULFOPROPYL)THIACARBOCYANINE BETAINE | 5,5'-DIMETHYL-9-ETHYL-3-(2-HYDROXY-ETHYL)-3'-(3-SULFOPROPYL)THIACARBOCYANINE BETAINE | C26H30N2O4S3 | | |
| 33 | 52525-55-0 | 3-Ethyl-9-methyl-3'-(3-sulfatobutyl)thiacarbocyanine betaine | 3-Ethyl-9-methyl-3'-(3-sulfatobutyl)thiacarbocyanine betaine | C24H26N2O4S3 | | |
| 34 | 52525-94-7 | 9H-Fluorene-2-sulfonic acid | 9H-Fluorene-2-sulfonic acid | C13H10O3S | | |
| 35 | 52525-96-9 | 6-[(E)-2-(1,3-Benzodioxol-5-yl)vinyl]-4,5-dimethoxy-2H-pyran-2-one | 6-[(E)-2-(1,3-Benzodioxol-5-yl)vinyl]-4,5-dimethoxy-2H-pyran-2-one | C16H14O6 | | |
| 36 | 52525-97-0 | (5R,6S)-6-[(E)-2-(1,3-Benzodioxol-5-yl)ethenyl]-5,6-dihydro-5-hydroxy-4-methoxy-2H-pyran-2-one | (5R,6S)-6-[(E)-2-(1,3-Benzodioxol-5-yl)ethenyl]-5,6-dihydro-5-hydroxy-4-methoxy-2H-pyran-2-one | C15H14O6 | | |
| 37 | 52525-98-1 | (5S)-6α-[(E)-2-(1,3-Benzodioxol-5-yl)ethenyl]-5,6-dihydro-5β-hydroxy-4-methoxy-2H-pyran-2-one | (5S)-6α-[(E)-2-(1,3-Benzodioxol-5-yl)ethenyl]-5,6-dihydro-5β-hydroxy-4-methoxy-2H-pyran-2-one | C15H14O6 | | |
| 38 | 52525-99-2 | (5R,6S)-6-[(E)-2-(1,3-Benzodioxol-5-yl)ethenyl]-5,6-dihydro-4,5-dimethoxy-2H-pyran-2-one | (5R,6S)-6-[(E)-2-(1,3-Benzodioxol-5-yl)ethenyl]-5,6-dihydro-4,5-dimethoxy-2H-pyran-2-one | C16H16O6 | | |
| 39 | 52526-00-8 | (5S,6S)-6-[(E)-2-(1,3-Benzodioxol-5-yl)ethenyl]-5,6-dihydro-4,5-dimethoxy-2H-pyran-2-one | (5S,6S)-6-[(E)-2-(1,3-Benzodioxol-5-yl)ethenyl]-5,6-dihydro-4,5-dimethoxy-2H-pyran-2-one | C16H16O6 | | |
| 40 | 52526-01-9 | (5R)-6α-[2-(1,3-Benzodioxol-5-yl)ethyl]-5,6-dihydro-4,5α-dimethoxy-2H-pyran-2-one | (5R)-6α-[2-(1,3-Benzodioxol-5-yl)ethyl]-5,6-dihydro-4,5α-dimethoxy-2H-pyran-2-one | C16H18O6 | | |
| 41 | 52526-02-0 | (5S,6S)-6-[2-(1,3-Benzodioxol-5-yl)ethyl]-5,6-dihydro-4,5-dimethoxy-2H-pyran-2-one | (5S,6S)-6-[2-(1,3-Benzodioxol-5-yl)ethyl]-5,6-dihydro-4,5-dimethoxy-2H-pyran-2-one | C16H18O6 | | |
| 42 | 52526-10-0 | 5-methoxycarbonyl-1-oxidopyridin-1-ium-2-carboxylic acid | 5-methoxycarbonyl-1-oxidopyridin-1-ium-2-carboxylic acid | C8H7NO5 | | |
| 43 | 52526-31-5 | 4-甲氧基苯并[B]噻吩-2-羧醛 | 4-methoxybenzo[b]thiophene-2-carbaldehyde | C10H8O2S | | |
| 44 | 52526-33-7 | 7-methoxy-3-methylbenzo[b]thiophene | 7-methoxy-3-methylbenzo[b]thiophene | C10H10OS | | |
| 45 | 52526-36-0 | 4-trimethylammoniumantipyrine | 4-trimethylammoniumantipyrine | C14H20IN3O | | |
| 46 | 52526-39-3 | L-ASPARTIC ACID-UL-14C | L-ASPARTIC ACID-UL-14C | C4H7NO4 | | |
| 47 | 52526-77-9 | 甲基 4,6-O-[(4-甲氧基苯基)亚甲基]-ALPHA-D-吡喃葡萄糖苷二乙酸酯 | Methyl-4,6-di-O-(4-methoxybenzylidene)-2,3-di-O-acetyl-α-D-glucopyranoside | C19H24O9 | | |
| 48 | 52526-80-4 | | Octadecanamide, N,N',N'',N'''-[carbonylbis(nitrilodi-2,1-ethanediyl)]tetrakis- | C81H160N6O5 | | |
| 49 | 52528-26-4 | (7-METHYL-1,4-DITHIA-SPIRO(4.5)DEC-6-EN-8-YL)-METHANOL | (7-METHYL-1,4-DITHIA-SPIRO(4.5)DEC-6-EN-8-YL)-METHANOL | C10H16OS2 | | |
| 50 | 52528-78-6 | (2R)-2,3-Dihydro-2,4,6-trimethyl-3-oxo-1H-indene-5-acetic acid | (2R)-2,3-Dihydro-2,4,6-trimethyl-3-oxo-1H-indene-5-acetic acid | C14H16O3 | | |
| 51 | 52529-53-0 | ethyl 2-methyl-5-((4-methylphenyl)sulfonamido)naphtho[1,2-b]furan-3-carboxylate | ethyl 2-methyl-5-((4-methylphenyl)sulfonamido)naphtho[1,2-b]furan-3-carboxylate | C23H21NO5S | | |