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  •       乐研品牌隶属于上海皓鸿生物医药科技有限公司,专注服务于医药研发领域,拥有享誉业内的自主研发技术能力,秉承“研发实力打造高品质”的理念进行产品的开发,始终致力于为国内外化学和医药研发领域用户提供最优质的产品和最专业的服务,乐研开发和打造的产品系列主要包括:分子砌块、合成试剂、医药中间体和相关的仪器耗材。能满足用户从mg级到kg级、从标准化到定制化的实验室综合需求。 乐研秉承“攻坚科研,冲破壁垒”的态度,依托多年来在新药开发、质量管控等方面的纯熟经验,致力在全球范围内构建一个连接医药研发供需两端的电商服务平台。在乐研商城,科研工作者可以通过多种途径检索目标化合物并实现自助化快速下单,还可以与专业客服人员进行实时沟通,得到客服团队的快速响应。 乐研立志成为促进医药研发领域的有效催化剂,帮您告别繁琐选购,助您加速研发进程。
英文名称 中文名称 CAS号 操作
(5-Bromopyridine-2,3-diyl)dimethanol (5-溴吡啶-2,3-二基)二甲醇 1356330-71-6 详细
5-Bromo-2-(methylsulfonyl)pyrimidin-4-amine 5-溴-2-(甲基磺酰基)嘧啶-4-胺 1379324-53-4 详细
(R)-2-(5-Fluoro-2-methylphenyl)pyrrolidine hydrochloride (R)-2-(5-氟-2-甲基苯基)吡咯烷盐酸盐 1381929-21-0 详细
(R)-3-(4-Fluorophenyl)morpholine hydrochloride (R)-3-(4-氟苯基)吗啉盐酸盐 1363408-43-8 详细
1-Fluoro-3-((1s,4r)-4-propylcyclohexyl)benzene 1-氟-3-((1s,4r)-4-丙基环己基)苯 138679-81-9 详细
(9-([1,1'-Biphenyl]-3-yl)-9H-carbazol-3-yl)boronic acid (9-([1,1'-联苯]-3-基)-9H-咔唑-3-基)硼酸 1416814-68-0 详细
4-Nitrophenyl acetyl-L-tryptophanate 4-硝基苯基乙酰基-L-色氨酸 14009-92-8 详细
3-Phenylisothiazol-5-amine 3-苯基-5-氨基异噻唑 14208-52-7 详细
1-(3-Bromophenyl)imidazolidin-2-one 1-(3-溴苯基)-2-咪唑烷酮 14088-96-1 详细
Ethyl spiro[2.5]Octane-6-carboxylate 螺[2.5]辛烷-6-甲酸乙酯 1370601-28-7 详细
2-Phenoxybutanoic acid 2-苯氧基丁酸 13794-14-4 详细
4-(Dibenzylamino)-2-methylbenzaldehyde N,N-二苄基-4-氨基-2-甲基苯甲醛 1424-65-3 详细
2-(1H-1,2,4-Triazol-1-yl)benzoic acid 2-(1H-1,2,4-三唑-1-基)苯甲酸 138479-54-6 详细
4-(4-Bromophenyl)-1H-imidazole 4-(4-溴苯基)-1H-咪唑 13569-96-5 详细
3,6-Dichloropyrazine-2-carbaldehyde 3,6-二氯吡啶-2-甲醛 1357172-39-4 详细
2-Bromo-1-(naphthalen-1-yl)ethanone 2-溴-1-(萘-1-基)乙酮 13686-51-6 详细
(S)-3-(2-bromoacetamido)-2-((tert-butoxycarbonyl)amino)propanoic acid (S)-3-(2-溴乙酰胺)-2-((叔丁氧基羰基)氨基)丙酸 135630-90-9 详细
4,4'-[[2-[(4-Carboxyphenoxy)methyl]-2-ethyl-1,3-propanediyl]bis(oxy)]bis-Benzoic acid 4,4'-[[[2-[(4-羧基苯氧基)甲基]-2-乙基-1,3-丙二基]双(氧基)]双-苯甲酸 1359740-23-0 详细
(2S,4R)-4-(3-fluorobenzyl)pyrrolidine-2-carboxylic acid hydrochloride (2S,4R)-4-(3-氟苄基)吡咯烷-2-羧酸盐酸盐 1373512-33-4 详细
(2R,3R,4S,5R,6R)-2-(acetoxymethyl)-6-(4-nitrophenoxy)tetrahydro-2H-pyran-3,4,5-triyl triacetate (2R,3R,4S,5R,6R)-2-(乙酰氧基甲基)-6-(4-硝基苯氧基)四氢-2H-吡喃-3,4,5-三乙酸三酯 14131-42-1 详细
2-Methyl-4-(trifluoromethyl)pyridine hydrochloride 2-甲基-4-(三氟甲基)吡啶盐酸盐 1416354-37-4 详细
Ketorolac Impurity 50 酮咯酸杂质50 141054-45-7 详细
Methyl morpholine-2-carboxylate 2,2,2-trifluoroacetate 吗啉-2-羧酸甲酯 2,2,2-三氟乙酸酯 1373253-22-5 详细
2-Fluoro-1-(2-fluorophenyl)ethanone 2-氟-1-(2-氟苯基)乙酮 1402412-84-3 详细
(1R,4R)-2-Methyl-2,5-diazabicyclo[2.2.1]heptane dihydrochloride (1R,4R)-2-甲基-2,5-二氮杂双环[2.2.1]庚烷二盐酸盐 1403763-25-6 详细
(S)-N-[[3-(3-Fluorophenyl)-2-oxo-5-oxazolidinyl]methyl]acetamide (S)-N-[[3-(3-氟苯基)-2-氧代-5-噁唑烷基]甲基]乙酰胺 139071-79-7 详细
2-(Dimethylamino)-2-(4-octylphenethyl)propane-1,3-diol 2-(二甲基氨基)-2-(4-辛基苯乙基)丙烷-1,3-二醇 1404433-87-9 详细
4-Methoxyphenyl 4,6-O-Benzylidene-2-deoxy-2-phthalimido-β-D-glucopyranoside 4-甲氧苯基4,6-O-苯亚甲基-2-脱氧-2-苯二甲酰亚氨基-β-D-吡喃葡萄糖苷 138906-43-1 详细
Allyl (2S,4S)-4-(benzoylthio)-2-(dimethylcarbamoyl)pyrrolidine-1-carboxylate (2S,4S)-4-(苯甲酰硫基)-2-(二甲基氨基甲酰基)吡咯烷-1-羧酸烯丙酯 141818-73-7 详细
Methyl imidazo[1,5-a]pyridine-5-carboxylate 甲基咪唑并[1,5-a]吡啶-5-羧酸甲酯 141912-71-2 详细
Tungsten dichloride dioxide 二氯化钨二氧化物 13520-76-8 详细
4,4',4",4'",4"",4""'-(Triphenylene-2,3,6,7,10,11-hexayl)hexaaniline 4,4',4“,4'”,4“”,4“”'-(三亚苯基-2,3,6,7,10,11-己基)六苯胺 1374854-57-5 详细
Tert-Butyl(dichloromethyl)dimethylsilane 叔丁基(二氯甲基)二甲基硅烷 138983-08-1 详细
(meso-Tetraphenylporphinato)platinum (meso-四苯基卟啉)铂 14187-14-5 详细
Methyl 2-(cyclopropylethynyl)benzoate 2-(环丙基乙炔基)苯甲酸甲酯 1357469-11-4 详细
2-(5-Chloro-1H-benzo[d]imidazol-2-yl)ethanamine 2-(5-氯-1H-苯并[d]咪唑-2-基)乙胺 135875-16-0 详细
4-Bromo-1-methyl-1H-imidazole-5-carbaldehyde 4-溴-1-甲基-1H-咪唑-5-甲醛 141524-74-5 详细
8-Hydroxypyrido[2,3-d]pyridazine-5-carboxylic acid 8-羟基吡啶并[2,3-d]哒嗪-5-羧酸 13629-38-4 详细
5-Bromo-3-methoxy-1H-pyrazolo[3,4-b]pyridine 5-溴-3-甲氧基-1H-吡唑并[3,4-b]吡啶 1363381-82-1 详细
Carbonylbromobis(triphenylphosphine)rhodium(I) 羰基溴双(三苯基膦)铑(I) 14056-79-2 详细
1,4-Bis(10-undecenyloxy)benzene 1,4-双(10-十一烯氧基)苯 138551-10-7 详细
(R)-2-(Piperidin-3-yl)isoindoline-1,3-dione hydrochloride (R)-3-哌啶基邻苯二甲酰亚胺盐酸盐 1381795-31-8 详细
Ethyl 4-iodo-1-(4-methoxybenzyl)-1H-pyrazole-3-carboxylate 4-碘--1-(4-甲氧基苯)-1H-吡唑-3-羧酸乙酯 1355249-29-4 详细
2-Amino-5-sulfamoylbenzoic acid 2-氨基-5-氨磺酰苯甲酸 137-65-5 详细
6-Chloro-1H-indazol-5-ol 6-氯-1H-吲唑-5-醇 1403766-67-5 详细
2-Chloroethylmethyldimethoxysilane 2-氯乙基甲基二甲氧基硅烷 13508-51-5 详细
(1R,2R)-rel-2-[[(1,1-Dimethylethoxy)carbonyl]amino]-Cyclopentanecarboxylic acid (1R,2R)-rel-2-[[(1,1-二甲基乙氧基)羰基]氨基]-环戊烷羧酸 136315-71-4 详细
2-(3,5-Dimethylphenyl)-5-(2-methylpropyl)quinoline 2-(3,5-二甲基苯基)-5-(2-甲基丙基)喹啉 1404491-67-3 详细
Methyl 5-amino-3-fluoropyridine-2-carboxylate 5-氨基-3-氟吡啶-2-羧酸甲酯 1374652-08-0 详细
3-Ethyloxetan-3-aminehydrochloride 3-乙基氧杂环丁烷-3-胺盐酸盐 1379288-48-8 详细
Tolterodine Ep Impurity D 托特罗定EP杂质D 1391053-65-8 详细
2-Bromo-7-nitro-5H-pyrrolo[2,3-b]pyrazine 2-溴-7-硝基-5H-吡咯并[2,3-b]吡嗪 1416740-16-3 详细
rel-(3R,4S)-4-(P-Tolyl)pyrrolidine-3-carboxylic acid hydrochloride rel-(3R,4S)-4-(对甲苯基)吡咯烷-3-羧酸盐酸盐 1423037-43-7 详细
(S,2E,6E)-7-(4-(4-fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidin-5-yl)-5-hydroxyhepta-2,6-dienoate (Rosuvastatin Impurity) (S,2E,6E)-7-(4-(4-氟苯基)-6-异丙基-2-(N-甲基甲基磺酰胺基)嘧啶-5-基)-5-羟基庚-2,6-二烯酸酯(瑞舒伐他汀杂质) 1422954-12-8 详细
(3S,5S)-(5-Methyl-pyrrolidin-3-yl)-carbamic acid tert-butyl ester (3S,5S)-(5-甲基-吡咯烷-3-基)-氨基甲酸叔丁酯 139161-75-4 详细
2-Methyl-4-(2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)butan-2-ol 2-甲基-4-(2-(4,4,5,5-四甲基-1,3,2-二氧硼)苯)丁-2-醇 1362243-52-4 详细
(S)-2,2'-Bis[bis(4-methoxy-3,5-di-t-butylphenyl)phosphino]-4,4',6,6'-tetramethoxy)-1,1'-biphenyl (S)-2,2' -双[双(4-甲氧基-2,5-二-叔丁基苯基)膦基]-4,4',6,6'-四甲氧基联苯 1365531-99-2 详细
Methyl 4-Bromo-2-(methylamino)benzoate 4-溴-2-(甲基氨基)苯甲酸甲酯 1367708-38-0 详细
tert-Butyl (5R)-5-amino-3,3-difluoropiperidine-1-carboxylate (5R)-5-氨基-3,3-二氟哌啶-1-羧酸叔丁酯 1392473-32-3 详细
(6R,12aR)-6-(1,3-Benzodioxol-5-yl)-2,3,6,7,12,12a-hexahydro-2-(2-hydroxypropyl)pyrazino[1′,2′:1,6]pyrido[3,4-b]indole-1,4-dione (6R,12aR)-6-(1,3-苯并二氧杂环戊烯-5-基)-2,3,6,7,12,12aR六氢-2-(2-羟丙基)吡嗪并[1′,2′:1,6]吡啶并[3,4-b]吲哚-1,4-二酮 1353020-85-5 详细
2-Methylimidazo[1,2-a]pyridin-7-amine 2-甲基咪唑并[1,2-a]吡啶-7-胺 1375110-97-6 详细
7-Oxa-2-azaspiro[3.5]nonane, ethanedioate (1:1) 7-氧杂-2-氮杂螺[3.5]壬烷,乙二酸盐(1:1) 1408076-09-4 详细
4-(Boc-Amino)-2-fluorophenylboronic acid 4-(Boc-氨基)-2-氟苯基硼酸 1415960-56-3 详细
1-(4-Hydrazinylphenyl)-N-methylmethanesulfonamide 1-(4-肼基苯基)-N-甲基甲磺酰胺 139272-29-0 详细
Lutetium(III) iodide anhydrous,99.90% 碘化镥(III),99.90% 13813-45-1 详细
Molybdenum(VI) tetrachloride oxide 四氯氧化钼(VI) 13814-75-0 详细
Paliperidone Impurity 7 帕潘立酮杂质7 1415488-05-9 详细
Tadalafil Dimethoxy Impurity 他达拉非二甲氧基杂质 1356345-67-9 详细
(3R)-1,3-Dimethylpiperazin-2-one hydrochloride (3R)-1,3-二甲基哌嗪-2-酮盐酸盐 1373232-29-1 详细
Dimethyl pyridin-2-ylboronate 二甲基吡啶-2-基硼酸酯 136805-54-4 详细
(R)-2-(But-3-en-1-yl)oxirane (2R)-2-(3-丁烯-1-基)-环氧乙烷 137688-20-1 详细
Chloropentaamminecobalt(III) chloride,98.00% 氯化五氨氯合钴(III),98.00% 13859-51-3 详细
(8α,9R)-10,11-Dihydro-6'-methoxy-9-(9-phenanthrenyloxy)cinchonan (8α,9R)-10,11-二氢-6'-甲氧基-9-(9-菲基氧基)奎宁 135096-78-5 详细
6-Amino-2-[1-[(2-fluorophenyl)methyl]-1H-pyrazolo[3,4-b]pyridin-3-yl]-7,9-dihydro-8H-purin-8-one 6-氨基-2-[1-[(2-氟苯基)甲基]-1H-吡唑并[3,4-b]吡啶-3-基]-7,9-二氢-8H-嘌呤-8-酮 1361569-10-9 详细
(R,R)-Et-DUPHOS-Rh 1,2-双[(2R,5R)-2,5-二乙基膦烷基]苯(1,5-环辛二烯)三氟甲磺酸铑(I) 136705-77-6 详细
(S)-4-(4-Nitrobenzyl)oxazolidin-2-one (S)-4-(4-硝基苄基)恶唑烷-2-酮 139264-55-4 详细
(6-Bromo-2-ethylbenzofuran-3-yl)(3,5-dibromo-4-hydroxyphenyl)methanone (Benzbromarone Impurity) (6-溴-2-乙基苯并呋喃-3-基)(3,5-二溴-4-羟基苯基)甲酮 (苯溴马隆杂质) 1402819-05-9 详细
4-Chloro-N,N-dimethyl-3-nitrobenzene-1-sulfonamide 4-氯-N,N-二甲基-3-硝基苯-1-磺酰胺 137-47-3 详细
1-(2-Ethoxyethyl)piperazine 1-(2-乙氧基乙基)哌嗪 13484-38-3 详细
tert-Butyl (3S)-3-[(oxetan-3-yl)amino]piperidine-1-carboxylate (3S)-3-[(氧杂环丁烷-3-基)氨基]哌啶-1-羧酸叔丁酯 1349702-25-5 详细
2λ4δ2-Benzo[1,2-c:4,5-c′]bis[1,2,5]thiadiazole, 4,8-bis[5-bromo-4-(2-octyldodecyl)-2-thienyl]- 2l4d2苯并[1,2-c:4,5-c′]双[1,2,5]噻二唑,4,8-双[5-溴-4-(2-辛基十二烷基)-2-噻吩基]- 1374601-35-0 详细
N-Methyl-N-stearoylglycine N-甲基-N-硬脂酰甘氨酸 142-48-3 详细
2-Aminofuran-3-carbonitrile 2-氨基呋喃-3-腈 139370-56-2 详细
4-([3,2':6',3''-terpyridin]-4'-yl)benzoic acid 4-([[3,2':6',3''-萜啶]-4'-基)苯甲酸 1415258-35-3 详细
(S)-1-(2,3-Difluorophenyl)ethanamine hydrochloride (S)-1-(2,3-二氟苯基)乙胺盐酸盐 1415303-43-3 详细
6-Bromo-3-isopropyl-1H-indazole 6-溴-3-异丙基-1H-吲唑 1391123-54-8 详细
2,3,5-Tris-O-(phenylmethyl)-D-arabinonic acid γ-lactone 2,3,5-三-O-(苯基甲基)-D-阿拉伯酸γ-内酯 14233-64-8 详细
2-(Methylamino)-1H-benzo[d]imidazole-6-carboxylic acid 2-( 甲基氨基)-1H-苯并[d]咪唑-6-羧酸 1368310-81-9 详细
2,9-Di(pyridin-4-yl)anthra[2,1,9-def:6,5,10-d'e'f']diisoquinoline-1,3,8,10(2H,9H)-tetraone 2,9-二(吡啶-4-基)蒽[2,1,9-def:6,5,10-d'e'f']二异喹啉-1,3,8,10(2H,9H)-四酮 136847-29-5 详细
1-(3-Aminopyrrolidin-1-yl)ethan-1-one hydrochloride 1-(3-胺吡咯烷-1-基)乙-1-酮盐酸盐 1394041-16-7 详细
6-Bromo-4-nitro-2,3-dihydro-1H-inden-5-ol 6-溴-2,3-二氢-4-硝基-5-茚醇 139515-86-9 详细
(1R,2R)-2-(3,4-Difluorophenyl)cyclopropanamine (1R,2R)-2-(3,4-二氟苯基)环丙胺 1414348-35-8 详细
Azetidin-3-yl acetate 2,2,2-trifluoroacetate 氮杂环丁烷-3-基乙酸酯2,2,2-三氟乙酸酯 1356114-40-3 详细
Spiro[chromane-2,4'-piperidin]-4-one 螺[色烷-2,4'-哌啶]-4-酮 136081-84-0 详细
Acetylcysteine Impurity 31 乙酰半胱氨酸杂质31 137698-08-9 详细
Methyl 4-bromo-5-chloro-2-nitrobenzoate 2-硝基-4-溴-5-氯苯甲酸甲酯 1416374-90-7 详细
3-Nitro-2-phenylpyridine 3-硝基-2-苯基吡啶 134896-35-8 详细
tert-Butyl 3-(6-fluoropyridin-2-yl)azetidine-1-carboxylate 3-(6-氟吡啶-2-基)氮杂环丁烷-1-甲酸叔丁酯 1356109-81-3 详细
2-Bromo-4-fluorobenzo[d]thiazole-6-carbonitrile 2-溴-4-氟苯并[d]噻唑-6-腈 1427399-19-6 详细
1-(3-Buten-1-yl)-4-(2,3-dichlorophenyl)-piperazine 1-(3-丁烯-1-基)-4-(2,3-二氯苯基)-哌嗪 1424857-93-1 详细
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