| 1 | 5501-37-1 | 1-methyl-9H-fluoren-9-one | 1-methyl-9H-fluoren-9-one | C14H10O | | |
| 2 | 5501-39-3 | 3-乙酰基-4-羟基-6-甲基吡啶-2(1H)-酮 | 3-acetyl-4-hydroxy-6-methyl-2-pyridone | C8H9NO3 | | |
| 3 | 5501-87-1 | 9(2H)-Acridinone, 1,3,4,5,6,7,8,10-octahydro-10-methyl- | 9(2H)-Acridinone, 1,3,4,5,6,7,8,10-octahydro-10-methyl- | C14H19NO | | |
| 4 | 55010-00-9 | 5-((4-氯苯基)硫代)戊-2-酮 | 2-Pentanone, 5-[(4-chlorophenyl)thio]- | C11H13ClOS | | |
| 5 | 55010-17-8 | 2,7-二氮杂螺[4.5]癸烷-7-羧酸叔-丁基酯 | 3,3-diphenyl-2H-inden-1-one | C21H16O | | |
| 6 | 55011-04-6 | Benzenemethanol, 4-(1-methylethyl)-α-(trichloromethyl)- | Benzenemethanol, 4-(1-methylethyl)-α-(trichloromethyl)- | C11H13Cl3O | | |
| 7 | 55011-26-2 | 2,2'-oxybisbutan-1-ol | 2,2'-oxybisbutan-1-ol | C8H18O3 | | |
| 8 | 55011-44-4 | 3,7-二氨基-2,8-二甲基二苯并噻吩砜 | 3,7-Diamino-2,8-dimethyldibenzothiophene Sulfone | C14H14N2O2S | 单体;微生物 | |
| 9 | 55011-46-6 | 5-Nitro-2H-tetrazole | 5-Nitro-2H-tetrazole | CHN5O2 | | |
| 10 | 55011-60-4 | BUTANOIC ACID 4-HYDROXYBUTYL ESTER | BUTANOIC ACID 4-HYDROXYBUTYL ESTER | C8H16O3 | | |
| 11 | 55011-64-8 | (2-hydroxyethyl)ammonium sulphamate | (2-hydroxyethyl)ammonium sulphamate | C2H10N2O4S | | |
| 12 | 55011-69-3 | 2-AMINOBICYCLO[2.2.2]OCTANE-2-CARBOXYLIC ACID HYDROCHLORIDE | 2-AMINOBICYCLO[2.2.2]OCTANE-2-CARBOXYLIC ACID | C9H15NO2 | | |
| 13 | 55011-70-6 | 2-AMINO-2-BICYCLO[3.2.1]OCTANECARBOXYLIC ACID | 2-AMINO-2-BICYCLO[3.2.1]OCTANECARBOXYLIC ACID | C9H15NO2 | | |
| 14 | 55011-74-0 | H 1304 | H 1304 | | | |
| 15 | 55011-89-7 | N,N,1-Trimethyl-3,3-diphenylallylamine Hydrochloride | N,N,1-Trimethyl-3,3-diphenylallylamine Hydrochloride | C18H22ClN | | |
| 16 | 55011-91-1 | 55011-91-1 | 55011-91-1 | | | |
| 17 | 55011-92-2 | 化合物 T32484 | [4-[3-(dibutylamino)propoxy]-3,5-dimethyl-phenyl]-(2-methylbenzothiophen-3-yl)methanone hydrochloride | C29H40ClNO2S | | |
| 18 | 55012-14-1 | 1,3-苯二羧酸与2-乙基-2-(羟甲基)-1,3-丙二醇、己二酸和2,2,4-三甲基-1,3-戊二醇的聚合物 | 1,3-Benzenedicarboxylic acid, polymer with 2-ethyl-2-(hydroxymethyl)-1,3-propanediol, hexanedioic acid and 2,2,4-trimethyl-1,3-pentanediol | C28H48O13 | | |
| 19 | 55012-32-3 | isopropylbenzaldehyde | isopropylbenzaldehyde | C10H12O | | |
| 20 | 55012-69-6 | 2-Chloro-1-(4-ethylphenyl)-2-methyl-1-propanone | 2-Chloro-1-(4-ethylphenyl)-2-methyl-1-propanone | C12H15ClO | | |
| 21 | 55012-72-1 | 5-Hydroxycalamenene | 5-Hydroxycalamenene | C15H22O | | |
| 22 | 55012-73-2 | 2,5-Diisopentylthiophene | 2,5-Diisopentylthiophene | C14H24S | | |
| 23 | 55012-77-6 | 1,1'-BICYCLOHEXYL,2-(2-METHYL | 1,1'-BICYCLOHEXYL,2-(2-METHYL | C16H30 | | |
| 24 | 55012-78-7 | α-(Acetyloxy)-α-methylbenzeneacetic acid methyl ester | α-(Acetyloxy)-α-methylbenzeneacetic acid methyl ester | C12H14O4 | | |
| 25 | 55012-80-1 | Trimethyl(5-methyl-2-isopropylphenoxy)silane | Trimethyl(5-methyl-2-isopropylphenoxy)silane | C13H22OSi | | |
| 26 | 55012-81-2 | 7-Formyl-2,3,5,6-tetrahydro-3-oxo-1H-pyrrolo[1,2-a]azepine-5-carboxylic acid | 7-Formyl-2,3,5,6-tetrahydro-3-oxo-1H-pyrrolo[1,2-a]azepine-5-carboxylic acid | C11H11NO4 | | |
| 27 | 55012-82-3 | trans-Cinnamic acid trimethylsilyl ester | trans-Cinnamic acid trimethylsilyl ester | C12H16O2Si | | |
| 28 | 55013-21-3 | ICHTHIOTOXIN | ICHTHIOTOXIN | | | |
| 29 | 55013-32-6 | (Z)-oak-lactone,5-butyldihydro-4-methyl-2(3H)-Furanone,(+)-cis-whiskeylactone | (Z)-oak-lactone,5-butyldihydro-4-methyl-2(3H)-Furanone,(+)-cis-whiskeylactone | C9H16O2 | | |
| 30 | 55015-10-6 | isoprodian | isoprodian | C27H31N7O3S2 | | |
| 31 | 55017-92-0 | methyl 3-[o-(hexadecyloxy)phenyl]-3-oxopropionate | methyl 3-[o-(hexadecyloxy)phenyl]-3-oxopropionate | C26H42O4 | | |
| 32 | 55018-21-8 | trans-beta-D-GLUCOPYRANOSYL METHYLACETOACETATE | trans-beta-D-GLUCOPYRANOSYL METHYLACETOACETATE | C11H18O8 | | |
| 33 | 55018-54-7 | 2,3,4-Tri-O-acetyl-D-xylopyranose | 2,3,4-Tri-O-acetyl-D-xylopyranose | C11H16O8 | | |
| 34 | 55018-81-0 | L-Mannitol, 1-deoxy-3,5-di-O-methyl-, triacetate | L-Mannitol, 1-deoxy-3,5-di-O-methyl-, triacetate | C14H24O8 | | |
| 35 | 55018-82-1 | L-Mannitol, 1-deoxy-3,4-di-O-methyl-, triacetate | L-Mannitol, 1-deoxy-3,4-di-O-methyl-, triacetate | C14H24O8 | | |
| 36 | 55019-46-0 | 2-Methylhexadecanal | 2-Methylhexadecanal | C17H34O | | |
| 37 | 55019-65-3 | | Ethanaminium, N-ethyl-2-[(2-hydroxy-2,2-diphenylacetyl)oxy]-N,N-dimethyl-, bromide (1:1) | C20H26BrNO3 | | |
| 38 | 55019-67-5 | | 1-Hexanaminium, N-[2-[(2-hydroxy-2,2-diphenylacetyl)oxy]ethyl]-N,N-dimethyl-, bromide (1:1) | C24H34BrNO3 | | |
| 39 | 55019-68-6 | | 1-Decanaminium, N-[2-[(2-hydroxy-2,2-diphenylacetyl)oxy]ethyl]-N,N-dimethyl-, bromide (1:1) | C28H42BrNO3 | | |
| 40 | 55019-71-1 | | Benzeneacetic acid, α-methyl-, 4-nitrophenyl ester, (αR)- | C15H13NO4 | | |
| 41 | 55019-72-2 | | Benzeneacetic acid, α-methyl-, 4-nitrophenyl ester, (αS)- | C15H13NO4 | | |
| 42 | 55019-79-9 | | 2(3H)-Thiazolethione, 4-methyl-3-(2-phenylethyl)- | C12H13NS2 | | |
| 43 | 55019-90-4 | | 1-Butanamine, N-(3-pyridinylmethylene)- | C10H14N2 | | |