| 中文名称 | 英文名称 | CAS号 | 化学式 |
|---|---|---|---|
| 5-孕烷-3β-醇-20-酮-16Alpha-腈 | PCN | 1434-54-4 | C22H31NO2 |
| 5-孕烯-3alpha-醇-20-酮 | pregnenolone | 19037-28-6 | C21H32O2 |
| 5-孕烯-3-beta, 20-alpha-二醇二乙酸酯 | [17-(1-acetyloxyethyl)-10,13-dimethyl-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-yl] acetate | 1913-46-8 | C25H38O4 |
| 5-孕烯-16,17-环氧-6-甲基-3-beta-醇-20-酮 | 16α,17-epoxy-3β-hydroxy-6-methyl-pregn-5-en-20-one | 103303-35-1 | C22H32O3 |
| 5-壬烷醇,5-(1-丙烯基)- | 4-butyl-oct-2-ene-4-ol | 139140-01-5 | C12H24O |
| 5-壬烷酮缩氨基脲 | nonan-5-one semicarbazone | 1669-37-0 | C10H21N3O |
| 5-壬烷酮,1-(1-吖丙啶基)-6,7-二(4-羟基苯基)-,(6R,7S)-rel- | (6R*,7S*)-1-N-aziridinyl-6,7-bis(4-hydroxyphenyl)-5-nonanone | 107036-07-7 | C23H29NO3 |
| 5-壬烯酸,(E)- | (E)-Non-5-enoic acid | 16424-54-7 | C9H16O2 |
| 5-壬炔-2-酮 | Non-5-yn-2-one | 132716-17-7 | C9H14O |
| 5-壬基苯基砜 | 5-nonyl phenyl sulfone | 105494-88-0 | C15H24O2S |
| 5-壬基氧基色胺草酸盐 | 5-(Nonyloxy)tryptamine | 157798-12-4 | C19H30N2O |
| 5-壬基巴比妥酸 | Barbituric acid, 5-nonyl- | 14077-86-2 | C13H22N2O3 |
| 5-壬基-1,3,4-噻二唑-2-胺 | 5-nonyl-[1,3,4]thiadiazol-2-ylamine | 113836-51-4 | C11H21N3S |
| 5-四甲基罗丹明-5-四嗪 | 5-((4-(1,2,4,5-Tetrazin-3-yl)benzyl)carbamoyl)-2-(3,6-bis(dimethylamino)xanthylium-9-yl)benzoate | 1393381-53-7 | C34H29N7O4 |
| 5-四氢吡喃氧基丙基-5-(3,4-二氯苯基)哌啶酮 | 5-tetrahydropyranyloxypropyl-5-(3,4-dichlorophenyl)piperidone | 146395-98-4 | C19H25Cl2NO3 |
| 5-四唑甲胺盐酸盐 | (1H-tetrazol-5-yl)methanamine hydrochloride | 118764-13-9 | C2H5N5*ClH |
| 5-噻唑羧酸,5-溴-4,5-二氢-4-羰基-2-(苯基氨基)-,乙基酯 | 5-bromo-5-carbethoxy-2-phenylimino-thiazolidin-4-one | 175856-51-6 | C12H11BrN2O3S |
| 5-噻唑羧酸,4-甲基-2-丙基- | 4-methyl-2-propylthiazole-5-carboxylic acid | 113391-64-3 | C8H11NO2S |
| 5-噻唑羧酸,4-[(3-硝基苯基)甲基]-2-苯基- | 4-<(3-nitrophenyl)methyl>-2-phenyl-5-thiazolecarboxylic acid | 119512-04-8 | C17H12N2O4S |
| 5-噻唑羧酸,4,5-二氢-2-[(2-甲氧苯基)氨基]-4-羰基-,乙基酯 | 2-[(E)-2-Methoxy-phenylimino]-4-oxo-thiazolidine-5-carboxylic acid ethyl ester | 175856-39-0 | C13H14N2O4S |
| 5-噻唑羧酸,2-溴-4-氯- | 2-bromo-4-chloro-1,3-thiazole-5-carboxylic acid | 139670-04-5 | C4HBrClNO2S |
| 5-噻唑羧酸,2-氯-4-甲基-,戊基酯 | Pentyl 2-chloro-4-methyl-5-thiazolecarboxylate | 106203-21-8 | C10H14ClNO2S |
| 5-噻唑羧酸,2-氨基-,酰肼(9CI) | 2-amino-thiazole-5-carboxylic acid hydrazide | 176179-11-6 | C4H6N4OS |
| 5-噻唑羧酸,2-(苯基氨基)-,甲基酯 | methyl 2-phenylaminothiazole-5-carboxylate | 133972-64-2 | C11H10N2O2S |
| 5-噻唑甲醛,2-[[4-[二(2-羟基乙基)氨基]苯基]偶氮]-4-氯- | 2-<4-<bis(2-hydroxyethyl)amino>phenylazo>-4-chlorothiazole-5-carbaldehyde | 177159-58-9 | C14H15ClN4O3S |
| 5-噻唑甲醛 | thiazole-5-carboxaldehyde | 1003-32-3 | C4H3NOS |
| 5-噻唑甲酸甲酯 | methyl thiazole-5-carboxylate | 14527-44-7 | C5H5NO2S |
| 5-噻唑甲胺,-α-,2,4-三甲基- | 1-(2,4-dimethylthiazol-5-yl)ethan-1-amine | 120276-03-1 | C7H12N2S |
| 5-噻唑乙酸,4-[4-(4-氯苯氧基)苯基]-2-甲基- | 2-<4-<4-(4-chlorophenoxy)phenyl>-2-methyl-5-thiazolyl>acetic acid | 105769-33-3 | C18H14ClNO3S |
| 5-噻唑乙酸,2-甲基-4-(4-苯氧基苯基)- | 2-<2-methyl-4-(4-phenoxyphenyl)-5-thiazolyl>acetic acid | 105769-31-1 | C18H15NO3S |
| 5-噻唑乙酸,2-[(4-甲氧基-4-羰基丁基)硫代]- | [2-(3-methoxycarbonylpropylthio)-1,3-thiazol-5-yl]acetic acid | 105523-57-7 | C10H13NO4S2 |
| 5-噻吩并-3-YL-1H-吲唑 | Tagppl | 103834-43-1 | C29H40N4O6S |
| 5-噻吩乙二醛水合物 | 2-thienylglyoxal monohydrate | 138380-43-5 | C6H6O3S |
| 5-噻吩-2-基吡啶-3-甲酰胺 | 5-(thiophen-2-yl)-3-pyridinecarboxamide | 1265919-10-5 | C10H8N2OS |
| 5-噻吩-2-基-1H-吡啶-2-酮 | 5-(thiophen-2-yl)pyridin-2(1H)-one | 1111116-04-1 | C9H7NOS |
| 5-噻吩-2-基-1,3,4-噁二唑-2(3h)-酮 | 5-[2]thienyl-3H-[1,3,4]oxadiazol-2-one | 128772-83-8 | C6H4N2O2S |
| 5-噁唑羧酸,4-乙基-2-甲基-,甲基酯 | methyl 4-ethyl-2-methyloxazole-5-carboxylate | 137267-32-4 | C8H11NO3 |
| 5-噁唑羧酸,4-[(3-硝基苯基)甲基]-2-苯基-,乙基酯 | ethyl 4-<(3-nitrophenyl)methyl>-2-phenyl-5-oxazolecarboxylate | 119512-17-3 | C19H16N2O5 |
| 5-噁唑甲醇,2-氨基-4-甲基-a-苯基- | 2-amino-4-methyl-5-(α-hydroxybenzyl)oxazole | 113304-36-2 | C11H12N2O2 |
| 5-噁唑甲醇,2-氨基-4-甲基-a-(三氯甲基)- | 2-amino-4-methyl-5-(α-hydroxy-2',2',2'-trichloroethyl)oxazole | 117257-77-9 | C6H7Cl3N2O2 |
| 5-噁唑烷酮,3-苯甲酰-2-(1,1-二甲基乙基)-4-亚甲基-,(S)- | N-benzoyl-2(S)-tert-butyl-4-methylene-1,3-oxazolidin-5-one | 113304-18-0 | C15H17NO3 |
| 5-噁唑丙酸,α-氨基-2,5-二氢-(9CI) | 3-(2,5-Dihydro-1,3-oxazol-5-yl)alanine | 186972-66-7 | C6H10N2O3 |
| 5-噁-2-氮杂螺[3.5]壬烷 | 5-oxa-2-azaspiro[3.5]nonane | 138387-19-6 | C7H13NO |
| 5-噁-2-氮杂螺[3.4]辛烷草酸盐 | 5-oxa-2-azaspiro[3,4]octane hemioxalate | 145309-24-6 | 0C2H2O4*C6H11NO |
| 5-嘧啶胺,4-氯-2-苯基- | 5-Amino-4-chlor-2-phenyl-pyrimidin | 13317-70-9 | C10H8ClN3 |
| 5-嘧啶胺,4-乙基-(9CI) | 4-ethylpyrimidin-5-ylamine | 156817-94-6 | C6H9N3 |
| 5-嘧啶羧酸苯酯 | 5-pyrimidinecarboxylic acid phenyl ester | 1380573-06-7 | C11H8N2O2 |
| 5-嘧啶羧酸,4-甲氧基-2-(甲基氨基)- | Disodium 4-[(1-carboxy-3-carboxylatopropyl)carboximidato]-3,5-bis(ethoxycarbonyl)-2,6-dimethyl-1,4-dihydropyridine | 125387-12-4 | C19H24N2Na2O9 |
| 5-嘧啶羧酸,4-环己基-1,2,3,4-四氢-6-甲基-2-硫代-,乙基酯 | ethyl 4-cyclohexyl-6-methyl-2-thioxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate | 112080-25-8 | C14H22N2O2S |
| 5-嘧啶羧酸,4-乙基-2-(甲硫基)- | 4-ethyl-2-(methylthio)pyrimidine-5-carboxylic acid | 188937-14-6 | C8H10N2O2S |