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Shanghai Haohong Scientific Co., Ltd.??? ?? ??? ?????.

?? ?:Shanghai Haohong Scientific Co., Ltd.

??:400-8210725

???:malulu@leyan.com

??:China

URL: www.leyan.com/

? ?? ?:39988

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3-Fluoro-5-(trifluoromethyl)picolinaldehyde	3-????-5-(????????)???-2-??????	1227499-98-0	C7H3F4NO
3-Methanesulfonylpyrrolidine hydrochloride	????,3-(?????)-,???(1:1)	1215368-15-2	C5H12ClNO2S
3-((2,4-Dichlorobenzyl)oxy)pyrrolidine hydrochloride	3-[(2,4-??????)??]???????	1220033-11-3	C11H14Cl3NO
Ethyl 2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)cyclopropane-1-carboxylate		1215107-29-1	C12H21BO4
9-([1,1'-Biphenyl]-3-yl)-3,6-dibromo-9H-carbazole		1221237-88-2	C24H15Br2N
Dichloro[rel-(1R,1'R)-(dimethylsilylene)bis[(1,2,3,3a,7a-η)-1H-inden-1-ylidene]]zirconium	rac-???????(1-???)??????????	121009-93-6	C20H18Cl2SiZr10*
(Z)-1-(4-(Difluoromethyl)phenyl)-5-methoxypentan-1-one O-(2-aminoethyl) oxime (Fluvoxamine Impurity)	???????????	1217214-94-2	C15H22F2N2O2
2,5-Difluoroisophthalonitrile		122546-74-1	C8H2F2N2
tert-Butyl 3-(aminomethyl)-3-fluoropiperidine-1-carboxylate	3-?????-3-????????-1-?????tert-??????	1219832-36-6	C11H21FN2O2
(5-(Pyrrolidin-1-yl)pyridin-3-yl)boronic acid	5-(????-1-?)???-3-????	1218790-56-7	C9H13BN2O2
Ethyl 3-azabicyclo[3.1.0]hexane-6-carboxylate hydrochloride	??3-??????[3.1.0]??-6-??????????	1211510-15-4	C8H14ClNO2
1-(2-Aminoethyl)-3-(5-bromoquinoxalin-6-yl)urea (Brimonidine Impurity)	??????????	1216379-05-3	C11H12BrN5O
4-Ethoxynicotinaldehyde	4-??????????	1220021-59-9	C8H9NO2
(S,R(p),S(SPO)-1-Phenylphosphinoyl)-2-[1-(di-t-butylphosphino)ethyl]ferrocene	(SP)-1-[(R)-1-(?-tert-??????)??]-2-[(R)-???????]???	1221746-56-0	C24H39FeOP2+
Tetrabutylphosphaniumfluoride	???????????????	121240-56-0	C16H36FP
3-Bromo-5-chloro-1,6-naphthyridine	3-???-5-???-1,6-?????	1211588-58-7	C8H4BrClN2
21S-Argatroban	21S-??????	121785-72-6	C23H36N6O5S
rel-Methyl (1R,2S)-2',3'-dichloro-5-methyl-3-oxo-1,2,3,6-tetrahydro-[1,1'-biphenyl]-2-carboxylate (Clevidipine Impurity)		1207068-15-2	C15H14Cl2O3
4-Chloro-2-methyl-1,8-naphthyridine	4-???-2-??-1,8-?????	1221272-96-3	C9H7ClN2
(Z)-5-Methoxy-1-(4-(trifluoromethyl)phenyl)pentan-1-one O-(2-((2-aminoethyl)amino)ethyl) oxime (Fluvoxamine Impurity)	N-(?????)?????	1217262-11-7	C17H26F3N3O2
2-Benzyloxypyrimidine-5-boronic acid	[2-(BENZYLOXY)PYRIMIDIN-5-YL]??	1217500-86-1	C11H11BN2O3
(S)-1-(tert-Butoxycarbonyl)-2-(3-methylbenzyl)pyrrolidine-2-carboxylic acid	BOC-(S)-??-(3-????)-???	1217604-87-9	C18H25NO4
(S)-3-((tert-Butoxycarbonyl)amino)-3-(6-methoxypyridin-3-yl)propanoic acid	BOC-(S)-3-???-3-(6-???-3-???)-?????	1217755-81-1	C14H20N2O5
((2S,5R)-5-(5-Methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-2,5-dihydrofuran-2-yl)methyl benzoate (Stavudine Impurity)		122567-97-9	C17H16N2O5
4-Bromo-5-chloro-2-methylpyridine	4-BroMo-5-???-2-?????	1211529-34-8	C6H5BrClN
4-Chloro-5,5-dimethyl-5H,6H,7H-pyrrolo[2,3-d]pyrimidin-6-one		1226804-02-9	C8H8ClN3O
2,7-Diazaspiro[4.4]nonan-1-one	2,7-??????[4.4]??-1-?	1203796-97-7	C7H12N2O
Pyrethrin I	????I	121-21-1	C21H28O3
Bis(methylcyclopentadienyl)zirconium dichloride		12109-71-6	C12H14Cl2Zr
(3-Bromo-5-(trifluoromethyl)pyridin-2-yl)methanol	(3-broMo-5-(????????)???-2-?)???	1227563-37-2	C7H5BrF3NO
N-(2-bromo-5-methoxyphenyl)acetamide	2'-???-5'-??????????	123027-99-6	C9H10BrNO2
3A-Amino-3A-deoxy-(2AS,3AS)-α-cyclodextrin		121916-94-7	C36H61NO29
5-Bromo-2-(tert-Butoxy)pyrimidine	5-???-2-(???-???)????	121487-13-6	C8H11BrN2O
6-Fluoro-2,2'-bipyridine	6-????-2,2'-????	1223063-81-7	C10H7FN2
4-Chloro-1H-pyrrolo[2,3-b]pyridine-2-carboxylic acid	4-???-7-????-2-?…	1211583-37-7	C8H5ClN2O2
2-Iodo-1H-pyrrolo[3,2-c]pyridine	2-???-5-????	1227269-14-8	C7H5IN2
2-Chloro-N-phenylaniline	(2-???-??)-??-??	1205-40-9	C12H10ClN
(S)-Cyclopropyl(4-methoxyphenyl)methanamine hydrochloride	(S)-???????(4-?????)???????	1213693-68-5	C11H16ClNO
rel-1-(1,1-Dimethylethyl) (3R,4S)-4-(2-chlorophenyl)-1,3-pyrrolidinedicarboxylate	???(+/-)1-[(TERT-BUTYL)OXYCARBONYL]-4-(2-?????)????-3-?????	1212102-71-0	C16H20ClNO4
Sunitinib Impurity G HCl (N,N-Didesethyl Sunitinib HCl)		1217216-61-9	C18H20ClFN4O2
Fmoc-D-3-Carbamoylphe	FMOC-D-3-?????	1217637-40-5	C25H22N2O5
(2-Isobutoxypyridin-3-yl)boronic acid	(2-????????-3-?)???	1218790-95-4	C9H14BNO3
3-(4-Chloro-phenyl)-pyrrolidine	3-(4-?????)????	120418-62-4	C10H12ClN
N-((6-Chloropyridin-3-yl)methyl)ethanamine		120739-77-7	C8H11ClN2
N-Boc-2-Amino-4-cyanothiazole	(4-???-???-2-?)-????tert-??????	1210278-19-5	C9H11N3O2S
tert-Butyl 2-(6-bromo-2-oxo-3,4-dihydroquinolin-1(2H)-yl)acetate		1224927-63-2	C15H18BrNO3
Methyl 2-(azetidin-3-yl)acetate hydrochloride		1229705-59-2	C6H12ClNO2
((((((R)-1-(6-amino-9H-purin-9-yl)propan-2-yl)oxy)methyl)(((isopropoxycarbonyl)oxy)methoxy)phosphoryl)oxy)methyl diethylcarbamate (Tenofovir Impurity）		1246812-23-6	C21H34N5O9P
C-(5-Methyl-[1,3,4]oxadiazol-2-yl)-methylamine	C-(5-??-[1,3,4]?????-2-?)-????	125295-22-9	C4H7N3O
(3-(Benzyloxy)-5-bromophenyl)boronic acid	3-(????)-5-????????	1256355-21-1	C13H12BBrO3
tert-Butyl 3-oxa-7,9-diazabicyclo[3.3.1]nonane-9-carboxylate	9-Boc-3-oxa-7,9-???????[3.3.1]??	1251010-45-3	C11H20N2O3
4-Amino-5-fluoro-2-methylpyridine	4-???-5-????-2-?????	1211590-22-5	C6H7FN2
6-Amino-2-(trifluoromethyl)nicotinonitrile	2-???-6-(????????)???-5-??????	1233243-98-5	C7H4F3N3
methyl 6-chloro-3-oxo-3,4-dihydro-2H-benzo[b][1,4]oxazine-8-carboxylate	6-???-3,4-????-3-??-2H-1,4-????-8-???????????	123040-75-5	C10H8ClNO4
(R)-4-(2-Fluorophenyl)-3,4-dihydronaphthalen-1(2H)-one		1234356-88-7	C16H13FO
Benzyl 2,6-dimethyl-4-oxopiperidine-1-carboxylate	??2,6-???-4-??????-1-??????(cis-?trans-????)	1233932-12-1	C15H19NO3
5,7-Dibromo-2,3-dihydrobenzofuran	5,7-????-2,3-?????????	123266-59-1	C8H6Br2O
2,3-Difluoro-4-nitrophenol	2,3-?????-4-???-??	123173-60-4	C6H3F2NO3
9-Bromonaphtho[2,1-b]benzofuran	??[b]???[1,2-d]??,9-???-	1256544-27-0	C16H9BrO
Ethyl 5-bromo-1H-pyrrolo[3,2-b]pyridine-2-carboxylate	??5-??Mo-1H-???[3,2-b]???-2-???????	1255098-82-8	C10H9BrN2O2
Irinotecan Ep Impurity L		1255644-71-3	C33H38N4O6
5-Bromothieno[2,3-b]pyridine-2-carboxylic acid	5-??????[2,3-b]???-2-?????	1242336-81-7	C8H4BrNO2S
1-((9H-Carbazol-4-yl)oxy)-3-(isopropyl(2-(2-methoxyphenoxy)ethyl)amino)propan-2-ol (Carvedilol Impurity)	N-??????????	1246819-01-1	C27H32N2O4
DTP26-2Sn		1234499-56-9	C22H37NS2Sn2
(3-(4-Methylpiperazin-1-yl)phenyl)methanol	3-(4-??????-1-?)??]???	123987-13-3	C12H18N2O
5-Fluoro-1H-pyrazolo[3,4-b]pyridine		1256788-84-7	C6H4FN3
tert-Butyl 2-oxa-5-azaspiro[3.4]octane-5-carboxylate	2-??-5-?????[3,4]??-5-?????tert-??????	1245816-30-1	C11H19NO3
2,3-Difluoro-1,4-benzenediol	2,3-?????-??????	124728-90-1	C6H4F2O2
5-Bromo-2-ethoxy-3-methoxypyridine	5-???-2-???-3-??????	1241752-31-7	C8H10BrNO2
Trimethoxy[(1,2,3,4,5-η)-1,2,3,4,5-pentamethyl-2,4-cyclopentadien-1-yl]titanium		123927-75-3	C10H15.C3H9O3Ti
tert-Butyl N-[(3-methylpyrrolidin-3-yl)methyl]carbamate	3-(boc-αMino??)-3-??-????	125290-87-1	C11H22N2O2
(3-Fluoro-2-(hydroxymethyl)phenyl)boronic acid	3-????-2-(??????)?????	1246633-55-5	C7H8BFO3
1-Methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1,2,3,6-tetrahydropyridine		1254982-25-6	C12H22BNO2
3-(Bromomethyl)-7-methoxy-2H-benzo[b][1,4]oxazin-2-one		124522-09-4	C10H8BrNO3
Methyl N-methyl-N-(pyridin-2-yl)glycinate		1250236-70-4	C9H12N2O2
2-Bromo-1-(2-bromo-4,6-dimethylphenyl)ethan-1-one	2-???-1-(2-???-4,6-?????)???	1246471-30-6	C10H10Br2O
Methyl 4-(chloromethyl)-3,5-difluorobenzoate	4-?????-3,5-?????-?????????	1263283-69-7	C9H7ClF2O2
2-Chloro-6,7-dihydro-5H-pyrrolo[3,4-b]pyridin-5-one		1256811-82-1	C7H5ClN2O
N-(3-Bromo-5-chloropyridin-2-yl)formamide		1263214-75-0	C6H4BrClN2O
N-Formyl-N-(2-oxo-2-(1-oxo-3,4-dihydroisoquinolin-2(1H)-yl)ethyl)cyclohexanecarboxamide (Praziquantel Impurity)		125273-88-3	C19H22N2O4
2-Chloro-4-isopropoxypyrimidine	????,2-???-4-(1-?????)-	1250967-81-7	C7H9ClN2O
2-Chloro-4-fluoro-3-methylbenzaldehyde	2-???-4-????-3-????????	1260764-27-9	C8H6ClFO
(R)-1-(1H-benzo[d]imidazol-2-yl)-3-methylbutan-1-amine hydrochloride	(R)-1-(1H-??????-2-?)-3-?????????	1235643-62-5	C12H18ClN3
(1h-Pyrrolo[3,2-b]pyridin-6-yl)boronic acid	1H-???[3,2-B]???-6-???	1253911-17-9	C7H7BN2O2
Benzyl 1-aminocyclobutanecarboxylate 4-methylbenzenesulfonate	??1-a???????????????	125483-57-0	C12H15NO2
(R)-Benzyl tert-butyl (3-hydroxypropane-1,2-diyl)dicarbamate		1263045-28-8	C16H24N2O5
4-methoxy-2-nitroaniline (Pramipexole Impurity）		1244656-98-1	C20H32N6S2
Methyl (S)-4-benzylmorpholine-3-carboxylate	??(S)-4-??-3-???????????	1235387-14-0	C13H17NO3
Pentyl (1-((2R,3R,4S,5R)-4-(((2R,3R,4S,5R)-3,4-dihydroxy-5-methyltetrahydrofuran-2-yl)oxy)-3-hydroxy-5-methyltetrahydrofuran-2-yl)-5-fluoro-2-oxo-1,2-dihydropyrimidin-4-yl)carbamate	?????????USP	1262133-68-5	C20H30FN3O9
3,3'-Dihexyl-2,2'-bithiophene	3,3'-???-2,2'-????	125607-30-9	C20H30S2
BMY 28674	6-?????????	125481-61-0	C21H31N5O3
3-(Piperazin-1-yl)aniline hydrochloride	3-????-1-YL-?????????	125421-98-9	C10H16ClN3
6-Bromo-2-chloropyrido[2,3-d]pyrimidine		1234616-65-9	C7H3BrClN3
Methyl 2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indole-6-carboxylate	6-?????????-2-??????????	1256359-21-3	C16H20BNO4
cis-tert-Butyl 4-oxohexahydropyrrolo[3,4-c]pyrrole-2(1H)-carboxylate		1251003-89-0	C11H18N2O3
[1,2,4]Triazolo[1,5-a]pyridine-5-carboxylic acid	[1,2,4]?????[1,5-a]???-5-?????	1234616-38-6	C7H5N3O2
Acetylvardenafil	???????????	1261351-28-3	C25H34N6O3
(2R,4R,Z)-2-(Carboxymethyl)-5-(2-hydroxyethylidene)-3-((2R,5R,Z)-3-(2-hydroxyethylidene)-7-oxo-4-oxa-1-azabicyclo[3.2.0]heptane-2-carbonyl)oxazolidine-4-carboxylic acid (Clavulanic acid Impurity)	???????????	1260617-10-4	C16H18N2O10
m-PEG4-amino-Mal	m-PEG4-?	1263044-81-0	C16H26N2O7
9-(4-Bromophenyl)-2-Phenyl-9H-carbazole	9-(4-?????)-2-??-???	1235563-74-2	C24H16BrN