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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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Methacycline????914-00-1C22H22N2O8
2-(1-((3-Oxo-2-azaspiro[4.5]decan-2-yl)methyl)cyclohexyl)acetic acid1076198-17-8C18H29NO3
4-Sec-butylphenol4-sec-????99-71-8C10H14O
11-(4-Ethyl-1-piperazinyl)-dibenzo[b,f][1,4]thiazepine DihydrochlorideQuetiapineIMpurityP(11-(4-??????-1-?)???[b,f][1,4]?????????))1011758-03-4C19H21N3S
2-Borono-4-fluorobenzoic acid2-????-5-?????????874290-62-7C7H6BFO4
Methyl 4-((5-bromopyrimidin-2-yl)oxy)benzoate5-???-2-[(4-???????)???]????926304-76-9C12H9BrN2O3
2-(4-Methoxyphenyl)thiazole-5-carbaldehyde2-(4-?????)???-5-??????914348-82-6C11H9NO2S
2-Methoxy-5-(trifluoromethoxy)benzonitrile2-???-5-?????????-?????886500-03-4C9H6F3NO2
2-Chloro-6,7-dimethoxyquinazoline2-???-6,7-????????94644-47-0C10H9ClN2O2
2-Methoxybiphenyl86-26-0C13H12O
5,12-Dibromo-2,9-bis(2-octyldodecyl)anthra[2,1,9-def:6,5,10-d'e'f']diisoquinoline-1,3,8,10(2H,9H)-tetraone1100243-37-5C64H88Br2N2O4
Crisaborole Impurity 116943311-78-2C19H18BrNO3
(2R,4R)-1-[(2S)-5-[(Aminoiminomethyl)amino]-2-[[(3- methyl-8-quinolinyl)sulfonyl]amino]-1-oxopentyl]-4-methyl-2-piperidinecarboxylic Acid (Afatinib Impurity）951130-92-0C23H32N6O5S
3-[(3-Amino-3-oxopropyl)dithio]propanamide3-[(3-AMINO-3-OXOPROPYL)DITHIO]??????1002-19-3C6H12N2O2S2
n-((e)-3-(1-((2r,3r,4s,5r)-3,4-Dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)allyl)-2,2,2-trifluoroacetamide(E)-5-[3-(????????????)-1-????]???869222-68-4C14H16F3N3O7
1-Thio-β-D-glucose (sodium)10593-29-0C6H13NaO5S
1-Phenyl-3-(piperidin-1-yl)propan-1-one hydrochloride1-(2-?????)??????????886-06-6C14H20ClNO
Methyl 1-benzylazetidine-3-carboxylate??N-??????-3-???????103491-29-8C12H15NO2
Potassium trifluoro(4-hydroxyphenyl)borate???4-????????????????1015082-71-9C6H5BF3KO
4-[(Trimethylsilyl)oxy]benzaldehyde1012-12-0C10H14O2Si
N-Carbamothioyl-2-(5-oxo-1-propylpyrrolidin-2-yl)acetamide (Pramipexole Impurity）N-(????????)-5-??-1-???-2-??????????936751-11-0C10H17N3O2S
2-(6-Bromopyridin-3-yl)pyrimidine2-(6-BroMo-???-3-?)????942189-65-3C9H6BrN3
2,4-Dibromo-6-[[[[(4S,5S)-4,5-dihydro-4,5-diphenyl-1-tosyl-1H-imidazol-2-yl]methyl][(S)-1-phenylethyl]amino]methyl]phenol1009582-56-2C38H35Br2N3O3S
(6aR,6bS,7S,8aS,8bS,11aR,12aS,12bS)-7-hydroxy-8b-(2-hydroxyacetyl)-6a,8a,10-trimethyl-6a,6b,7,8,8a,8b,11a,12,12a,12b-decahydro-1H-naphtho[2',1':4,5]indeno[1,2-d][1,3]dioxol-4(2H)-one (Budesonide Impurity）1040085-98-0C23H30O6
3-Borono-2-fluorobenzoic acid1072952-09-0C7H6BFO4
(E)-O-(3-Chloro-2-propenyl)hydroxylamine hydrochloride(E)-O-(3-???-2-????)??????????96992-71-1C3H7Cl2NO
2-(3-(4-Methylbenzoyl)phenyl)propanoic acid (Ketoprofen Impurity)??????????A(25MG)(AL-PHA-METHYL-3-(4-METHYLBENZOYL)??????)(AS)107257-20-5C17H16O3
N-(1-amino-5-guanidino-1-oxopentan-2-yl)benzamide hydrochloride hydrate965-03-7C13H19N5O2
icro-Green?????????10024-66-5C6H8MnO7
Mycophenolate Impurity B1-[2-(4-?????)???]1094322-91-4C29H42N2O9
(4-(Methoxymethyl)cyclohexyl)methanol4-(?????)?????????98955-27-2C9H18O2
1-[(4-tert-Butylphenyl)methyl]piperazine1-(4-???-????)????956-61-6C15H24N2
3-Methylsulfolane872-93-5C5H10O2S
H-Arg-OtBu (dihydrochloride)L-????T-?????????????87459-72-1C10H23ClN4O2
4-Bromo-2-chloro-3-iodopyridine4-???-2-???-3-??????916203-52-6C5H2BrClIN
Quinazolin-7-amine7-??????(9CI)101421-73-2C8H7N3
2-Chloro-5-methoxy-3-nitropyridine1003711-55-4C6H5ClN2O3
3-Ethoxycarbonyl-5,6-dihydro-2-methyl-4H-pyran10226-28-5C9H14O3
5-(2-Acetoxyethyl)-3-((4-amino-2-methylpyrimidin-5-yl)methyl)-4-methylthiazol-3-ium chloride hydrochloride (Thiamine Impurity)????????1037-29-2C14H20Cl2N4O2S
2-Isopropoxy-5-methyl-4-(4-piperidyl)aniline2-??????-5-??-4-(????-4-?)???1035230-24-0C15H24N2O
Methyl 2,6-dichloro-5-methoxypyrimidine-4-carboxylate??2,6-????-5-???????-4-???????878650-31-8C7H6Cl2N2O3
2,7-Dibromo-4,4,9,9-tetrakis(4-hexylphenyl)-4,9-dihydro-s-indaceno[1,2-b:5,6-b']dithiophene1049034-71-0C64H72Br2S2
m-PEG4-propargyl????-PEG5-??1101668-39-6C12H22O5
2-(4-Acetylbenzyl)cyclopentanone (Loxoprofen Impurity)2-[(4-?????)??]??????-1-?96824-28-1C14H16O2
2,2',4,4'-Tetrahydroxydiphenyl Sulfide????????97-29-0C12H10O4S
1-(4-(tert-Butyl)phenyl)-4-(4-hydroxypiperidin-1-yl)butan-1-one (Ebastine Impurity)1-[3-(4-tert-?????)???]-4-????????97928-18-2C19H29NO2
Methyl 3-(tert-butyl)-1H-pyrazole-4-carboxylate??3-(tert-??)-1H-???-4-???????1017782-45-4C9H14N2O2
(2-(Piperidin-1-ylsulfonyl)phenyl)boronic acid957034-87-6C11H16BNO4S
4-(4-Fluorophenyl)-1-methyl-1,2,3,6-tetrahydropyridine hydrochloride (Paroxetine Hydrochloride Impurity)4-(4-??????)-1-??-1012886-75-7C12H15ClFN
3-butyl-1-vinyl-1H-imidazol-3-ium tetrafluoroborate1-??-3-??????????????????1033461-44-7C9H15BF4N2
Naphthalene-2,7-disulfonic acid????-2,7-????92-41-1C10H8O6S2
4-Ethyl-1-iodo-2-methylbenzene4-??-1-???-2-????866996-02-3C9H11I
(R)-5-Benzyl 1-tert-butyl 2-aminopentanedioate hydrochloride90159-60-7C16H24ClNO4
(6R,7R)-7-((Z)-2-(2-Aminothiazol-4-yl)-2-(((2-carboxypropan-2-yl)oxy)imino)acetamido)-8-oxo-3-(pyridin-1-ium-1-ylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylate (Ceftazidime Impurity）CEFTAZIDIME???A1000980-60-8C22H22N6O7S2
6-Methoxypicolinamide6-???-???-2-????????98276-69-8C7H8N2O2
4,5,6,7-tetrahydro-1H-pyrazolo pyridine hydrochloride871726-74-8C6H11Cl2N3
N2-(tert-butoxycarbonyl)-N6-(2,2,2-trifluoroacetyl)-D-lysineBOC-D-LYS(TFA)-?96561-04-5C13H21F3N2O5
1-Methoxyindole-3-carboxylic acid1-?????-3-?????91913-76-7C10H9NO3
Ethyl 3-(4-(2-(5-ethylpyridin-2-yl)ethoxy)phenyl)propanoate (Pioglitazone Impurity)4-[2-(5-??-2-????)???]????????????(?????????)868754-42-1C20H25NO3
3-(3-Methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonamide3-??-1-(3'-???????)-5-????89-29-2C10H11N3O3S
1,2,4-Triethylbenzene1,2,4-??????877-44-1C12H18
2-(4-(Dimethylamino)phenyl)thiazole-4-carboxylic acid2-(4-(??????)??)???-4-?????955400-50-7C12H12N2O2S
Boc-N-Amido-PEG2-C2-azidet-Boc-N-???-PEG2-????950683-55-3C11H22N4O4
Benzyl mandelate??DL??890-98-2C15H14O3
Ethyl 3-(4-(hydroxymethyl)phenyl)propanoate3-(4-???????-??)-???????????107859-98-3C12H16O3
2-((Allyloxy)methyl)-2-(hydroxymethyl)propane-1,3-diol1,3-?????,2,2-??(??????)-,?????91648-24-7C14H24O4
2-Hydrazinyl-5-(trifluoromethyl)pyridine5-(????????)???-2-YLHYDRAZINE89570-85-4C6H6F3N3
N,N′-(6,6′-Dihydroxy[1,1′-biphenyl]-3,3′-diyl)bis[acetamide]2,2'-?????-5,5'-??????????98966-14-4C16H16N2O4
4,4'-Bis(3-aminophenoxy)biphenyl4,4-BIS(3-AMINOPHENOXY)????(43BAPOBP)105112-76-3C24H20N2O2
2-Aminothiazole-5-carbaldehyde hydrochloride2-???-5-??????HCL920313-27-5C4H5ClN2OS
(1-Tosyl-1H-pyrrolo[2,3-b]pyridin-3-yl)boronic acid1-??-1H-???[2,3-b]???-3-????882562-39-2C14H13BN2O4S
((1,3-Dichloropropan-2-yl)oxy)methyl acetate[2-???-1-(?????)???]????????89281-73-2C6H10Cl2O3
3,4,5-Trimethylbenzoic acid3,4,5-???????1076-88-6C10H12O2
benzyl (2-cyanopropan-2-yl)carbamate??[1-???-1-????]??????100134-82-5C12H14N2O2
4-((1,1,1-Trifluoro-4-oxo-4-(p-tolyl)butan-2-ylidene)amino)benzenesulfonamide1061214-09-2C17H15F3N2O3S
Z-Tyr(tBu)-OSu10068-67-4C25H28N2O7
3-Bromo-2-chloroquinoline101870-60-4C9H5BrClN
Dichlorophenylborane873-51-8C6H5BCl2
3,5,4'-Tribromosalicylanilide3,4',5-?????????????(???????)87-10-5C13H8Br3NO2
1,2-Dilauroyl-sn-glycero-3-phosphate (sodium)12-DILAUROYL-SN-????-3-?108321-06-8C27H53O8P.Na
2-(4,6-Diphenyl-1,3,5-triazin-2-yl)-5-methoxyphenol2-(4,6-????-1,3,5-?????-2-?)-5-?????106556-36-9C22H17N3O2
(Ferrocenylmethyl)dodecyldimethylammonium (bromide)(??????)?????????????98778-40-6C25H33BrFeN
N1,N1,3-Trimethylbutane-1,3-diamineN1,N1,3-??????-1,3-???933738-55-7C7H18N2
4,8-Bis(octyloxy)benzo[1,2-b:4,5-b']dithiophene4,8-???????[1,2-b:3,4-b]????1098102-94-3C26H38O2S2
2-Bromo-2'-chloro-1,1'-biphenyl107208-70-8C12H8BrCl
2-((2-Acetamido-6-oxo-3H-purin-7(6H)-yl)methoxy)ethyl acetate (Acyclovir/Aciclovir Impurity)AcyclovirEP???M91702-60-2C12H15N5O5
3-Methylquinoxaline-5-carboxylic acid3-??-????-5-?????904813-39-4C10H8N2O2
(2R,3R,4S,5S,6R)-2-(((2R,3S,4R,5R,6R)-4,5-Dihydroxy-2-(hydroxymethyl)-6-(nonyloxy)tetrahydro-2H-pyran-3-yl)oxy)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol106402-05-5C21H40O11
5-Phenyloxolan-2-one1008-76-0C10H10O2
6-Chloro-1-(phenylsulfonyl)-1H-pyrrolo[2,3-b]pyridine1H-???[2,3-b]???,6-???-1-(?????)-896722-50-2C13H9ClN2O2S
Ethyl methylcarbamateN-?????105-40-8C4H9NO2
1,4-Bis((trimethylsilyl)oxy)benzene1,4-??(???????)??90162-40-6C12H22O6Si2
6-Bromo-5,7-difluoroquinoline1022091-49-1C9H4BrF2N
2-Iodo-6-(trifluoromethyl)pyridine100366-74-3C6H3F3IN
tert-Butyl 1,9-diazaspiro[5.5]undecane-9-carboxylate1,9-??????[5.5]???-9-?????,1,1-?????????1031927-14-6C14H26N2O2
4,8-Bis(n-octyloxy)-2,6-bis(trimethylstannyl)-benzo[1,2-b:4,5-b']dithiophene2,6-??(??????)-4,8-???????[1,2-b:3,4-b]????1098102-95-4C32H54O2S2Sn2
2,2'-(3-Ethylpyrazine-2,5-diyl)bis(ethan-1-ol) (Clavulanic acid Impurtiy)3-??-2,5-???????86917-74-0C10H16N2O2
(2S,4R)-1-(tert-Butoxycarbonyl)-4-(3-fluorobenzyl)pyrrolidine-2-carboxylic acid959579-74-9C17H22FNO4
Glycylalanine???-DL-???926-77-2C5H10N2O3
[trans(trans)]-4,4'-(Azanediylbis(methylene))dicyclohexanecarboxylic acid (Tranexamic Acid Impurity)???-???-4,4'-????????(??????????)93940-19-3C16H27NO4
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