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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
Bis(2,3-dibromopropyl) hydrogen phosphate 双(2,3-二溴丙基)磷酸氢 5412-25-9 详细
2-Oxo-2-phenylethyl (((9H-fluoren-9-yl)methoxy)carbonyl)-L-serinate 2-氧代-2-苯乙基(((9H-芴-9-基)甲氧基)羰基)-L-丝氨酸 125760-26-1 详细
Ethyl 3-bromo-1-(3-chloropyridin-2-yl)-4,5-dihydro-1H-pyrazole-5-carboxylate 3-溴-1-(3-氯吡啶-2-基)-4,5-二氢-1H-吡唑-5-甲酸乙酯 500011-91-6 详细
2-Hydroxy-5-(4-methylthiazol-2-yl)benzaldehyde 2-羟基-5-(4-甲基噻唑-2-基)苯甲醛 2227293-68-5 详细
2-(((3,4-Dimethoxypyridin-2-yl)methyl)thio)-1H-benzo[d]imidazol-6-ol 2-(((3,4-二甲氧基吡啶-2-基)甲基)硫代)-1H-苯并[d]咪唑-6-醇 1166386-02-2 详细
2-Chloroacetaldehyde oxime 2-氯乙醛肟 51451-05-9 详细
1-Phenylbut-2-yn-1-one 1-苯基丁-2-炔-1-酮 6710-62-9 详细
2-((2-cyanoethyl)(phenyl)amino)ethyl benzoate 2-((2-氰基乙基)(苯基)氨基)乙基苯甲酸酯 25047-90-9 详细
N,N,N-Trimethyl-1-(4-vinylphenyl)methanaminium chloride N,N,N-三甲基-1-(4-乙烯基苯基)甲氯化铵 7538-38-7 详细
(2R,4S)-pentane-1,2,3,4,5-pentaol (2R,4S)-戊烷-1,2,3,4,5-五醇 16277-71-7 详细
Thiamphenicol-d3-1 甲砜霉素-d3-1 1217723-41-5 详细
(R)-Methyl 3-([1,1'-biphenyl]-4-yl)-2-((tert-butoxycarbonyl)amino)propanoate (R)-3-([1,1'-联苯]-4-基)-2-((叔丁氧基羰基)氨基)丙酸甲酯 149818-98-4 详细
(2S,5S)-6-((benzoyloxy)methyl)tetrahydro-2H-pyran-2,3,4,5-tetrayl tetrabenzoate (2S,5S)-6-((苯甲酰氧基)甲基)四氢-2H-吡喃-2,3,4,5-四苯甲酸四酯 3006-48-2 详细
N-(4-bromo-2-picolinoylphenyl)benzamide N-(4-溴-2-吡啶甲酰基苯基)苯甲酰胺 22753-88-4 详细
Tert-butyl L-alanyl-L-alaninate hydrochloride L-丙氨酰-L-丙氨酸叔丁酯盐酸盐 60417-38-1 详细
1-(Phenoxymethyl)-1H-benzo[d][1,2,3]triazole 1-(苯氧基甲基)-1H-苯并[d][1,2,3]三唑 111198-02-8 详细
2-(3,4-Dimethoxyphenyl)-4,4-dimethyl-4,5-dihydrooxazole 2-(3,4-二甲氧基苯基)-4,4-二甲基-4,5-二氢噁唑 57193-17-6 详细
3-Methylbenzo[d]oxazole-2(3H)-thione 3-甲基苯并[d]噁唑-2(3H)-硫酮 13673-63-7 详细
2-Methylthieno[2,3-d]isothiazol-3(2H)-one 1,1-dioxide (Tenoxicam Impurity) 2-甲基噻吩并[2,3-d]异噻唑-3(2H)-酮 1,1-二氧化物 (替诺昔康杂质) 94040-09-2 详细
(2R,6S)-2,6-dimethyl-4-(5-nitropyridin-2-yl)morpholine (2R,6S)-2,6-二甲基-4-(5-硝基吡啶-2-基)吗啉 956699-05-1 详细
1-(2-Fluorobenzyl)-1H-pyrazolo[3,4-b]pyridine-3-carboxylic acid 1-(2-氟苄基)-1H-吡唑并[3,4-b]吡啶-3-羧酸 956011-26-0 详细
(4-Ethoxy-2,4-dioxobutyl)triphenylphosphonium chloride (4-乙氧基-2,4-二氧丁基)三苯基氯化鏻 106302-03-8 详细
Methyl 7-nitro-1H-indole-2-carboxylate 7-硝基-1H-吲哚-2-羧酸甲酯 167027-28-3 详细
(3S,8S,9S,10R,13S,14S,17R)-13-Ethyl-17-ethynyl-11-methylene-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-3,17-dio (Desogestrel Impurity) (3S,8S,9S,10R,13S,14S,17R)-13-乙基-17-乙炔基-11-亚甲基-2,3,6,7,8,9,10,11,12,13,14, 15,16,17-十四氢-1H-环戊基[a]菲-3,17-二氧 (依托孕烯杂质) 70805-85-5 详细
Copper, [2,7,12,17-tetrakis(1,1-dimethylethyl)-21H,23H-porphyrazinato(2-)-κN21,κN22,κN23,κN24]-, (SP-4-1)- 铜,[2,7,12,17-四(1,1-二甲基乙基)-21H,23H-叠氮卟啉(2-)-κN21,κN22,κN23,κN24],(SP-4-1)- 65124-35-8 详细
3-Methylbenzo[f]quinoline 3-甲基苯并[f]喹啉 85-06-3 详细
(8R,9S,10R,11S,13S,14R,17R)-11,14,17-Trihydroxy-17-(2-hydroxyacetyl)-10,13-dimethyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-3-one (Prednisolone Impurity) (8R,9S,10R,11S,13S,14R,17R)-11,14,17-三羟基-17-(2-羟基乙酰基)-10,13-二甲基-6,7,8,9,10,11, 12,13,14,15,16,17-十二氢-3H-环戊烷[a]菲-3-酮 (泼尼松龙杂质) 95815-58-0 详细
1-(2-Nitroethenyl)-2-(trifluoromethyl)benzene 1-(2-硝基乙烯基)-2-(三氟甲基)苯 53960-62-6 详细
2-(Thiophen-2-ylmethyl)malonic acid 2-(噻吩-2-基甲基)丙二酸 4475-24-5 详细
(2R,3R)-3-((tert-butoxycarbonyl)amino)-2-hydroxy-5-methylhexanoic acid (2R,3R)-3-((叔丁氧基羰基)氨基)-2-羟基-5-甲基己酸 73397-26-9 详细
7-Chloro-1-cyclopropyl-4-oxo-6-(piperazin-1-yl)-1,4-dihydroquinoline-3-carboxylic acid hydrochloride (Ciprofloxacin Impurity) 7-氯-1-环丙基-4-氧代-6-(哌嗪-1-基)-1,4-二氢喹啉-3-羧酸盐酸盐 (环丙沙星杂质) 526204-10-4 详细
Z-O-Tert-butyl-l-serine N-hydroxysuccinimide ester ZO-叔丁基-L-丝氨酸N-羟基琥珀酰亚胺酯 19460-97-0 详细
2-(1-(2-Fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl)-N5,N5-dimethylpyrimidine-4,5,6-triamine 2-(1-(2-氟苄基)-1H-吡唑并[3,4-b]吡啶-3-基)-N5,N5-二甲基嘧啶-4,5,6-三胺 1169770-52-8 详细
(3R,5S)-5-((R)-8-fluoro-4-isopropyl-2-(N-methylmethylsulfonamido)-5,6-dihydrobenzo[h]quinazolin-6-yl)-3,5-dihydroxypentanoic acid, calcium salt (3R,5S)-5-((R)-8-氟-4-异丙基-2-(N-二羟基戊酸)-5,6-二氢苯并[h]喹唑啉-6-基)-3,5-二羟基戊酸 , 钙盐 854898-49-0 详细
(3R,4R)-3,4-dihydro-2H-pyran-3,4-diyl diacetate (3R,4R)-3,4-二氢-2H-吡喃-3,4-二乙酸二酯 3152-43-0 详细
1-Aminoanthraquinone-5-sulfonic acid 1-氨基蒽醌-5-磺酸 4095-82-3 详细
3-Chloro-1,1':3',1''-terphenyl 3-氯-1,1':3',1''-三联苯 98781-25-0 详细
Methyl 4-chloro-2-(N-methyl-N-phenylsulfamoyl)benzoate 4-氯-2-(N-甲基-N-苯基氨磺酰基)苯甲酸甲酯 914221-64-0 详细
1-((2-Hydroxyethoxy)methyl)-5-methylpyrimidine-2,4(1H,3H)-dione 1-((2-羟基乙氧基)甲基)-5-甲基嘧啶-2,4(1H,3H)-二酮 68724-11-8 详细
(S)-2-amino-4-(tert-butoxy)-2-methyl-4-oxobutanoic acid (S)-2-氨基-4-(叔丁氧基)-2-甲基-4-氧代丁酸 1217977-71-3 详细
7,14-Diphenylacenaphtho[1,2-k]fluoranthene 7,14-二苯基苊并[1,2-k]荧蒽 7229-88-1 详细
Tris(3-phenylpropyl)amine hydrochloride (Alverine Impurity) 三(3-苯基丙基)胺盐酸盐 (阿尔维林杂质) 878784-75-9 详细
3-(((Allyloxy)carbonyl)amino)propanoic acid 3-(((烯丙氧基)羰基)氨基)丙酸 111695-91-1 详细
2-(Benzyloxy)tetrahydro-2h-pyran 2-(苄氧基)四氢-2H-吡喃 1927-62-4 详细
2-((2-(Hydroxy(phenyl)methyl)benzyl)(methyl)amino)ethan-1-ol 2-((2-(羟基(苯基)甲基)苄基)(甲基)氨基)1-乙醇 60725-36-2 详细
(8S,9S,10R,11S,13S,14S,17R)-11,17-Dihydroxy-17-(2-hydroxyacetyl)-10,13-dimethyl-8,9,10,11,12,13,14,15,16,17-decahydro-3H-cyclopenta[a]phenanthren-3-one (Prednisolone Impurity) (8S,9S,10R,11S,13S,14S,17R)-11,17-二羟基-17-(2-羟基乙酰基)-10,13-二甲基-8,9,10,11,12,13,14, 15,16,17-十氢-3H-环戊烷[a]菲-3-酮 (甲泼尼松龙杂质) 2427-64-7 详细
2-Bromo-3-(trifluoromethyl)quinoline 2-溴-3-(三氟甲基)喹啉 590371-95-2 详细
N-(3-methoxypropyl)acrylamide N-(3-甲氧基丙基)丙烯酰胺 107374-86-7 详细
2-(((3,4-Dimethoxypyridin-2-yl)methyl)sulfinyl)-1H-benzo[d]imidazol-6-ol 2-(((3,4-二甲氧基吡啶-2-基)甲基)亚磺酰基)-1H-苯并[d]咪唑-6-醇 1261238-06-5 详细
Benzyl (S)-3-((tert-butoxycarbonyl)amino)-4-hydroxybutanoate (S)-3-((叔丁氧基羰基)氨基)-4-羟基丁酸苄酯 79069-16-2 详细
N2-(3-Aminopropyl)-6,7-dimethoxy-N2-methylquinazoline-2,4-diamine (Alfuzosin Impurity) N2-(3-氨基丙基)-6,7-二甲氧基-N2-甲基喹唑啉-2,4-二胺 (阿夫唑嗪杂质) 76362-29-3 详细
(R)-3-Amino-4-(2,5-difluorophenyl)-1-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)butan-1-one hydrochloride (Sitagliptin Impurity) (R)-3-氨基-4-(2,5-二氟苯基)-1-(3-(三氟甲基)-5,6-二氢-[1,2,4]三唑并[4,3-a]吡嗪-7(8H)-基)丁-1-酮盐酸盐 (西他列汀杂质) 486459-70-5 详细
(S)-1-(4-(benzyloxy)-3-nitrophenyl)-2-bromoethan-1-ol (S)-1-(4-(苄氧基)-3-硝基苯基)-2-溴乙-1-醇 193761-53-4 详细
4-Piperidinecarboxylic acid, 4-[(2-bromophenyl)methyl]-, ethyl ester, hydrochloride (1:1) 4-哌啶羧酸4-[(2-溴苯基)甲基]-乙酯盐酸盐(1:1) 2702160-79-8 详细
N,N-(7H-Purine-2,6-diyl)diacetamide N,N-(7H-嘌呤-2,6-二基)二乙酰胺 34097-37-5 详细
2-(4-(Chloromethyl)phenyl)benzo[d]oxazole 2-(4-(氯甲基)苯基)苯并[d]噁唑 57864-19-4 详细
(6-(4-Acetylpiperazin-1-yl)pyridin-3-yl)boronic acid (6-(4-乙酰基哌嗪-1-基)吡啶-3-基)硼酸 1236360-37-4 详细
2-Chloro-4-(naphthalen-2-yl)quinazoline 2-氯-4-(萘-2-基)喹唑啉 124959-44-0 详细
1,4-Dibromoanthracene-9,10-dione 1,4-二溴蒽-9,10-二酮 85392-80-9 详细
Diethyl (1-cyanoethyl)phosphonate (1-氰乙基)膦酸二乙酯 29668-61-9 详细
2,4,6-Tri(pyrimidin-2-yl)-1,3,5-triazine 2,4,6-三(嘧啶-2-基)-1,3,5-三嗪 60681-68-7 详细
(9H-fluoren-9-yl)methyl 2,4-dichloro-5,7-dihydro-6H-pyrrolo[3,4-d]pyrimidine-6-carboxylate (9H-芴-9-基)2,4-二氯-5,7-二氢-6H-吡咯并[3,4-d]嘧啶-6-羧酸甲酯 903129-86-2 详细
7-Methoxy-2,2-dimethyl-2H-chromene 7-甲氧基-2,2-二甲基-2H-色烯 17598-02-6 详细
2-Oxo-5-vinylpyrrolidine-3-carboxamide (Vigabatrin Impurity) 2-氧-5-乙烯基吡咯烷-3-甲酰胺 (氨己烯酸杂质) 71107-19-2 详细
6-(Allyloxy)-2-phenylhexahydropyrano[3,2-d][1,3]dioxine-7,8-diol 6-(烯丙氧基)-2-苯基六氢吡喃[3,2-d][1,3]二噁英-7,8-二醇 20746-64-9 详细
5-Fluoro-4-methyl-3-nitropyridin-2-amine 5-氟-4-甲基-3-硝基吡啶-2-胺 917918-86-6 详细
1,3,5-Trichloro-2-methylbenzene 1,3,5-三氯-2-甲苯 23749-65-7 详细
Di-tert-butyl but-2-ene-1,4-diyl(E)-dicarbamate 二叔丁基丁-2-烯-1,4-二基(E)-二氨基甲酸酯 901761-99-7 详细
4-Butyl-4-methylmorpholin-4-ium bromide 4-丁基-4-甲基吗啉-4-溴化鎓 75174-77-5 详细
N-Ethylbenzamide N-乙基苯甲酰胺 614-17-5 详细
Methyl 4-(methylamino)butanoate 4-(甲氨基)丁酸甲酯 88061-65-8 详细
1-(3-Fluorobenzyl)-1H-pyrazolo[3,4-b]pyridine-3-carboximidamide 1-(3-氟苄基)-1H-吡唑并[3,4-b]吡啶-3-甲脒 2101651-50-5 详细
(E)-3-(2-phenoxyphenyl)acrylic acid (E)-3-(2-苯氧基苯基)丙烯酸 95433-16-2 详细
Silver, [(2S)-2-(hydroxy-κO)propanoato-κO]- 银, [(2S)-2-(羟基-κO)丙酸κO]- 80298-33-5 详细
3-Bromo-10,10-dimethyl-10H-spiro[anthracene-9,9-fluorene 3-溴-10,10-二甲基-10H-螺[蒽-9,9-芴 2170533-42-1 详细
4,4',4''-(Benzene-1,3,5-triyltris(oxy))triphthalic acid 4,4',4''-(苯-1,3,5-三基三(氧基))三苯二甲酸 444717-58-2 详细
(6-Chloropyridin-2-yl)(1-methylpiperidin-4-yl)methanone (6-氯吡啶-2-基)(1-甲基哌啶-4-基)甲酮 225112-16-3 详细
(S)-3-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-5,5,5-trifluoropentanoic acid (S)-3-((((9H-芴-9-基)甲氧基)羰基)氨基)-5,5,5-三氟戊酸 2349340-84-5 详细
N'-(2-cyano-4-nitrophenyl)-N,N-dimethylformimidamide N'-(2-氰基-4-硝基苯基)-N,N-二甲基甲脒 39263-34-8 详细
1,5-Dimethylpyrimidine-2,4(1h,3h)-dione 1,5-二甲基嘧啶-2,4(1H,3H)-二酮 4160-72-9 详细
2-((Trifluoromethyl)sulfonamido)ethyl methacrylate 2-((三氟甲基)磺酰胺基)乙基甲基丙烯酸酯 314756-98-4 详细
3-Hydroxy-N-methyl-3-(thiophen-2-yl)propanamide 3-羟基-N-甲基-3-(噻吩-2-基)丙酰胺 603996-87-8 详细
1-(4-Hydrazinylbenzyl)-1H-1,2,4-triazole 1-(4-肼基苄基)-1H-1,2,4-三唑 144035-22-3 详细
Methyl (S)-4-((tert-butyldimethylsilyl)oxy)-2-hydroxybutanoate (S)-4-((叔丁基二甲基甲硅烷基)氧基)-2-羟基丁酸甲酯 307532-01-0 详细
(S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-5-(2,4-dichlorophenyl)pentanoic acid (S)-2-((((9H-芴-9-基)甲氧基)羰基)氨基)-5-(2,4-二氯苯基)戊酸 2349579-56-0 详细
(S)-2-amino-3-(3,5-diamino-4-hydroxyphenyl)propanoic acid (S)-2-氨基-3-(3,5-二氨基-4-羟基苯基)丙酸 904824-73-3 详细
N3-propyl-1H-1,2,4-triazole-3,5-diamine N3-丙基-1H-1,2,4-三唑-3,5-二胺 87253-78-9 详细
5,6-Dimethoxy-3-oxo-1,3-dihydroisobenzofuran-1-ide 5,6-二甲氧基-3-氧代-1,3-二氢异苯并呋喃-1-化物 759409-69-3 详细
7-Fluoro-3-(piperidin-4-yl)-1H-indole 7-氟-3-(哌啶-4-基)-1H-吲哚 439082-27-6 详细
(7-Bromo-9,9-dihexyl-9H-fluoren-2-yl)boronic acid (7-溴-9,9-二己基-9H-芴-2-基)硼酸 934762-26-2 详细
2-((6S,8S,9S,10R,11S,13S,14S,17R)-11,17-Dihydroxy-6,10,13-trimethyl-3-oxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)-2-oxoethyl acetate (Methylprednisolone Acetate Impurity) 2-((6S,8S,9S,10R,11S,13S,14S,17R)-11,17-二羟基-6,10,13-三甲基-3-氧代-2,3,6,7,8,9,10,11,12,13,14,15,16,17-十四氢-1H-环戊基[a]菲-17-基)-2-氧乙酸乙酯 (甲泼尼龙杂质) 1625-11-2 详细
Methanesulfonic acid compound with (S)-1-(2,4-dichlorophenyl)ethane-1,2-diol (1:1) 与 (S)-1-(2,4-二氯苯基)乙烷-1,2-二醇 (1:1) 的甲磺酸化合物 187164-22-3 详细
(5-Bromo-2-methoxypyridin-3-yl)methanamine hydrochloride (5-溴-2-甲氧基吡啶-3-基)甲胺盐酸盐 1428532-91-5 详细
1-((1H-Indol-3-yl)methyl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic acid (Tryptophan Impurity) 1-((1H-吲哚-3-基)甲基)-2,3,4,9-四氢-1H-吡啶[3,4-b]吲哚-3-羧酸 (色氨酸杂质) 287170-99-4 详细
8-chloro-11-(piperidin-4-ylidene)-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-5-one 地氯雷他定杂质13 117811-11-7 详细
(((1R,3R)-5-(2-chloroethylidene)cyclohexane-1,3-diyl)bis(oxy))bis(tert-butyldimethylsilane) (((1R,3R)-5-(2-氯亚乙基)环己烷-1,3-二基)双(氧基))双(叔丁基二甲基硅烷) 139356-38-0 详细
(E)-3-(4-Ethylphenyl)acrylic acid (E)-3-(4-乙基苯基)丙烯酸 120680-98-0 详细
(2R,3S)-butane-2,3-diol (2R,3S)-丁烷-2,3-二醇 5341-95-7 详细
(E)-2-Methoxy-4-(prop-1-en-1-yl)phenol (Eugenol Impurity) (E) -2-甲氧基-4-(丙-1-烯-1-基)苯酚 (丁香酚杂质) 5932-68-3 详细
(3AR,5R,6S,7S,7aR)-5-(acetoxymethyl)-2-methoxy-2-methyltetrahydro-5H-[1,3]dioxolo[4,5-b]pyran-6,7-diyl diacetate (3AR,5R,6S,7S,7aR)-5-(乙酰氧基甲基)-2-甲氧基-2-甲基四氢-5H-[1,3]二氧戊环[4,5-b]吡喃-6,7-二乙酸二酯 50801-29-1 详细
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