| 1 | 5556-07-0 | 2-acetyl-3-hydroxythiophene | C6H6O2S | 142.18 | 51.5-52.5℃ | |
| 2 | 5556-09-2 | 4-Hydroxy-5-methyl-2-thiophenecarboxylic acid ethyl ester | | | | |
| 3 | 5556-10-5 | Methyl(3-tert-butoxy-2-thienyl) ketone | | | | |
| 4 | 5556-13-8 | 4,4'-Dibromo-3,3'-bithiophene | C8H4Br2S2 | 324.05536 | 129℃ (ligroine ) | |
| 5 | 5556-14-9 | 4-Bromo-3-tert-butoxythiophene | C8H11BrOS | 235.14 | | |
| 6 | 5556-15-0 | Methyl(4-tert-butoxy-3-thienyl) ketone | C10H14O2S | 198.28 | | |
| 7 | 5556-16-1 | 1-(4-Hydroxy-3-thienyl)ethanone | C6H6O2S | 142.18 | 51-52 °C | |
| 8 | 5556-17-2 | 4,5-Di-tert-butoxy-2-thiophenecarboxylic acid ethyl ester | C15H24O4S | 300.41 | | |
| 9 | 5556-20-7 | Ethyl 3-hydroxybenzo[b]thiophene-2-carboxylate | C11H10O3S | 222.26 | 73-74 °C | |
| 10 | 5556-21-8 | N-[4-[(2,5-Dimethoxyphenyl)sulfamoyl]phenyl]acetamide | | | | |
| 11 | 5556-22-9 | 3-Hydroxy-5-methyl-2-thiophenecarboxylic acid methyl ester | C7H8O3S | 172.2 | | |
| 12 | 5556-23-0 | 3-Hydroxy-5-phenyl-2-thiophenecarboxylic acid methyl ester | C12H10O3S | 234.27 | | |
| 13 | 5556-24-1 | 3-Hydroxythiophene-2,5-dicarboxylic acid dimethyl ester | C8H8O5S | 216.21 | | |
| 14 | 5556-29-6 | 4H-Thieno[3,2-b]pyrrole-2-carboxylic acid, 3-hydroxy-, ethyl ester | C9H9NO3S | 211.24 | | |
| 15 | 5556-33-2 | 1-(3-hydroxybenzofuran-2-yl)ethanone | C10H8O3 | 176.17 | | |
| 16 | 5556-40-1 | 2-Thiophenecarboxaldehyde, 5-(2,2-dimethylbutyl)- | C11H16OS | 196.31 | | |
| 17 | 5556-46-7 | 2-Thiophenebutanoicacid, 5-(2,2-dimethylpentyl)- | C14H18N2 | 214.306 | | |
| 18 | 5556-48-9 | erythro-2-Pentulose (9CI) | C5H10O5 | 150.13 | | |
| 19 | 5556-54-7 | Phloroglucinol Impurity 1 | C13H12O6 | 264.23 | | |
| 20 | 5556-57-0 | Brn 1451635 | C12H15NO | 189.2536 | | |
| 21 | 5556-61-6 | methyl isothiocyanate | | | | |
| 22 | 5556-74-1 | 2,3,5-Trimethoxyamphetamine hydrochloride | C12H19NO3 • HCl | 261.74484 | | |
| 23 | 5556-75-2 | 2,3,6-Trimethoxyamphetamine (hydrochloride) | C12H20ClNO3 | 261.75 | | |
| 24 | 5556-76-3 | 1-(3,4,5-TRIMETHOXYPHENYL)-2-NITROPROPENE, >95% | C12H15NO5 | 253.25 | | |
| 25 | 5556-77-4 | 1-(2,3,4-TRIMETHOXYPHENYL)-2-NITROPROPENE | C12H15NO5 | 253.25 | | |
| 26 | 5556-84-3 | 2,3,5-Trimethoxybenzaldehyde | C10H12O4 | 196.2 | | |
| 27 | 5556-86-5 | 2,3,6-trimethoxybenzaldehyde | C10H12O4 | 196.2 | | |
| 28 | 5556-89-8 | Propanedinitrile, 2-[(2,4,5-trimethoxyphenyl)methylene]- | C13H12N2O3 | 244.25 | | |
| 29 | 55560-40-2 | Ethanol, 2-[[3-(trimethylsilyl)-2-propyn-1-yl]oxy]- | C8H16O2Si | 172.3 | | |
| 30 | 55560-96-8 | Tixocortol 21-Pivalate | C26H38O5S | 462.64 | | |
| 31 | 55561-02-9 | trimethylthioacetic S-acid | C5H10OS | 118.1973 | | |
| 32 | 55561-43-8 | NSC526076 | C19H26O4S | 350.47234 | | |
| 33 | 55562-83-9 | SODIUM METHYLCYCLOPENTADIENIDE | C6H7Na | 102.11 | | |
| 34 | 55563-47-8 | 1-Methylindenyllithium | C10H9Li | 136.12 | | |
| 35 | 55563-79-6 | (S)-2-Hydroxypent-4-ene | C5H10O | 86.13 | | |
| 36 | 55563-84-3 | N-Methoxy-N-(trimethylsilyl)benzenamine | C10H17NOSi | 195.33 | | |
| 37 | 55564-05-1 | Bicyclo<4.2.0>octan-2-on | C8H12O | 124.18 | | |
| 38 | 55565-66-7 | Diimidotriphosphoryl chloride (9CI) | Cl5H2N2O3P3 | 348.21 | | |
| 39 | 55565-68-9 | Pentanoicacid, 5,5'-[1,2-ethanediylbis(thio)]bis- (9CI) | C12H22O4S2 | 294.43068 | | |
| 40 | 55566-00-2 | 4-Morpholineacetamide, N-[2-(4-methylphenoxy)ethyl]-N-phenyl-, hydrochloride (1:1) | C21H27ClN2O3 | 390.91 | | |
| 41 | 55566-01-3 | 1-Piperidineacetamide, N-(2-methoxyphenyl)-N-[2-(4-methylphenoxy)ethyl]-, hydrochloride (1:1) | C23H31ClN2O3 | 418.96 | | |
| 42 | 55566-03-5 | 1-Piperidineacetamide, N-[2-(4-chlorophenoxy)ethyl]-N-(2-methylphenyl)-, hydrochloride (1:1) | C22H28Cl2N2O2 | 423.38 | | |
| 43 | 55566-04-6 | 4-Morpholineacetamide, N-[2-(4-chlorophenoxy)ethyl]-N-(2-methylphenyl)-, hydrochloride (1:1) | C21H26Cl2N2O3 | 425.35 | | |
| 44 | 55566-09-1 | Pregna-1,4-diene-3,20-dione, 9-fluoro-11-hydroxy-16,17-[(1-methylethylidene)bis(oxy)]-21-[[(trans-4-phenylcyclohexyl)carbonyl]oxy]-, (11β,16α)- (9CI) | C37H45FO7 | 620.75 | | |
| 45 | 55566-17-1 | Pregna-1,4-diene-3,20-dione, 21-[[(4-cyclohexylphenyl)acetyl]oxy]-9-fluoro-11-hydroxy-16,17-[(1-methylethylidene)bis(oxy)]-, (11β,16α)- (9CI) | C38H47FO7 | 634.78 | | |
| 46 | 55566-30-8 | bis[tetrakis(hydroxymethyl)phosphonium] sulfate solution | C8H24O12P2S | 406.28 | -35°C | >=10 g/100 mL at 18 ºC |
| 47 | 55566-32-0 | 1-Propanone, 1-[4-(3-hydroxyphenyl)-1-octyl-4-piperidinyl]- | C22H35NO2 | 345.52 | | |
| 48 | 55566-45-5 | 17beta-hydroxyestr-4-en-3-one 17-palmitate | C34H56O3 | | | |
| 49 | 55566-72-8 | 2-(Naphthalen-2-ylamino)-5-nitrobenzoic acid | C17H12N2O4 | 308.29 | | |
| 50 | 55566-73-9 | Phenol, 2-[[1-(2-phenyldiazenyl)-2-naphthalenyl]amino]- | C22H17N3O | 339.39 | | |
| 51 | 55567-80-1 | 2-Propenoic acid, 2-methyl-, butyl ester, polymer with ethenylbenzene, methyl 2-methyl-2-propenoate and oxiranylmethyl 2-methyl-2-propenoate | C28H40O7 | 488.613 | | |
| 52 | 55567-81-2 | trans-(±)-[2-(ethoxycarbonyl)-2-phenylcyclohex-5-enyl]dimethylammonium hydrogen fumarate | C21H27NO6 | 389.45 | | |
| 53 | 55568-06-4 | CYANO-CYCLOHEXYLIDENE-ACETIC ACIDMETHYL ESTER | C10H13NO2 | 179.22 | | |
| 54 | 55568-85-9 | N-[3α-(Acetylamino)pregn-5-en-20-yl]-N-methylacetamide | C26H42N2O2 | 414.62 | | |
| 55 | 55568-86-0 | (3ξ,5α)-A:D-Neooleana-12,14-diene | C30H48 | 408.7 | | |
| 56 | 55568-91-7 | 1-O,2-O,4-O,5-O,6-O-Pentakis(trimethylsilyl)-D-myo-inositol 3-[phosphoric acid bis(trimethylsilyl)] ester | C27H69O9PSi7 | 765.4 | | |
| 57 | 55569-11-4 | 5β-Pregnane-3α,20-diol | C21H36O2 | 320.51 | | |
| 58 | 55569-48-7 | 1-O,3-O,4-O,5-O,6-O-Pentakis(trimethylsilyl)-myo-inositol phosphoric acid dimethyl ester | C23H57O9PSi5 | 649.09 | | |
| 59 | 55569-52-3 | Cholest-8(14)-en-3β-ol acetate | C29H48O2 | 428.69 | 76-78 °C | |
| 60 | 55569-61-4 | 3β-DOXYL-5α-胆甾烷,自由基 | C31H54NO2* | 472.76596 | 176-178 °C (lit.) | |