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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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Benzothiazol-6-ylmethanol6-(???????)?????19989-66-3C8H7NOS
2,4-Dichloro-1-(2-nitrovinyl)benzene18984-21-9C8H5Cl2NO2
Riodoxol19403-92-0C6H3I3O2
Lercanidipine Ethyl Impurity (Lercanidipine Impurity 4) HCl210579-71-8C37H44ClN3O6
Cyclohexane-1,3,5-triol1,3,5-?????????2041-15-8C6H12O3
1,2-Difluoro-4,5-dimethoxybenzene1,2-?????-4,5-??????203059-80-7C8H8F2O2
Sulfoxonium, [2-[(3R,4S)-4-ethyl-1-[(phenylmethoxy)carbonyl]-3-pyrrolidinyl]-2-oxoethyl]dimethyl-, inner salt2050038-78-1C18H25NO4S
(2R,4S)-1-((2S)-5-guanidino-2-(3-methyl-1,2,3,4-tetrahydroquinoline-8-sulfonamido)pentanoyl)-4-methylpiperidine-2-carboxylic acid (Argatroban Impurity）189264-04-8C23H36N6O5S
2,5-Dioxopyrrolidin-1-yl 4-(1,2,2-triphenylvinyl)benzoate2001537-57-9C31H23NO4
2-Acetamido-N-(4-nitrophenyl)-3-phenylpropanamide19746-42-0C17H17N3O4
Lanthanum(III) isopropoxide19446-52-7C9H21LaO3
n6-((Benzyloxy)carbonyl)-n2-methyl-l-lysine201016-22-0C15H22N2O4
Tert-butyl 2-((4S,6S)-6-(cyanomethyl)-2,2-dimethyl-1,3-dioxan-4-yl)acetate(4S-cis)-6-(?????)-2,2-???-1,3-???-4-????1,1-?????????196085-85-5C14H23NO4
10-Fluoro-3-methyl-9-(4-methylpiperazin-1-yl)-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid (Ofloxacin Impurity)9-??????????197291-75-1C18H20FN3O4
1H-Pyrrolo[2,3-b]pyridin-3-amine189882-31-3C7H7N3
1-Benzyl-2-methylpiperidin-4-one1-??-2-??????203661-73-8C13H17NO
4-((2-Methyl-1H-imidazol-1-yl)methyl)benzoic acid4-(2-METHYL-IMIDAZOL-1-YLMETHYL)-???192637-18-6C12H12N2O2
(αS)-α-Amino-2,3-dihydro-2-thioxo-1H-imidazole-4-propanoic acid2002-22-4C6H9N3O2S
Tetrahydro-2H-thiopyran-4-carbonitrile??????????-4-??????195503-40-3C6H9NS
2-(Trifluoromethyl)benzo[d]oxazole2-????????????2008-04-0C8H4F3NO
Acetyl-L-alanyl-L-alanineAC-??-??-?19245-87-5C8H14N2O4
2-Chloro-6-(diethylamino)-3-methyl-3H-spiro[isobenzofuran-1,9-xanthen]-3-one21121-62-0C25H22ClNO3
Henicosan-11-one11-??????19781-72-7C21H42O
2-(2-(2-(2-Aminothiazol-4-yl)acetamido)thiazol-4-yl)acetic acid2036283-13-1C10H10N4O3S2
2-Methylbutanenitrile??(2-)?????18936-17-9C5H9N
4-Chlorobenzenecarboximidamide19563-04-3C7H7ClN2
Magnesium salicylate (hydrate )??????????18917-95-8C14H10MgO7
(Phenylazanediyl)bis(ethane-2,1-diyl) diacetate2,2-(?????)??????????? N,N-??????? ???19249-34-4C14H19NO4
N,N'-Bis[2-(mesitoyl)-3-oxobutylidene]-(1R,2R)-1,2-diphenylethylenediaminato Cobalt(II)212250-92-5C42H42CoN2O4
tert-Butyl 4-(4-aminophenyl)piperazine-1-carboxylate hydrochloride1-BOC-4-(4-???-??)-?????????????193902-64-6C15H24ClN3O2
N4-Trityl-D-asparagineN-γ-???-D-?????200192-49-0C23H22N2O3
3-(2-Bromo-5-fluorophenyl)acrylic acid202865-70-1C9H6BrFO2
3-(4,5-Dimethoxy-2-nitrophenyl)acrylic acid20567-38-8C11H11NO6
2-(4-(Aminomethyl)piperidin-1-yl)ethanol2-(4-?????-????-1-YL)-???21168-72-9C8H18N2O
Tetramethylphosphonium Chloride????????????1941-19-1C4H12ClP
7-(4-(4-(benzo[b]thiophen-4-yl)piperazin-1-yl)butoxy)-1-(4-((2-oxo-1,2-dihydroquinolin-7-yl)oxy)butyl)quinolin-2(1H)-one (Brexpiprazole Impurity）2094559-58-5C38H40N4O4S
1,3,7-Trihydroxy-2-prenylxanthone20245-39-0C18H16O5
(6S,6'S)-N6,N6'-(2-methylpentane-1,3-diyl)bis(4,5,6,7-tetrahydrobenzo[d]thiazole-2,6-diamine) (Pramipexole Impurity）1973461-14-1C20H32N6S2
N5-[[[(3,4-Dihydro-2,2,5,7,8-pentamethyl-2H-1-benzopyran-6-yl)sulfonyl]amino]iminomethyl]-N2-[(1,1-dimethylethoxy)carbonyl]-L-ornithine200125-12-8C25H40N4O7S
5,12-Bis(phenylethynyl)tetracene18826-29-4C34H20
Trichloronitrosylruthenium(II)18902-42-6Cl3NORu
2-((2-Ethylhexyl)oxy)-5-methoxyterephthalaldehyde2-???-5-(2'-??????)????????203251-22-3C17H24O4
2-(Tert-butyl)anthracene18801-00-8C18H18
5-Amino-N1-methyl-1H-imidazole-1,4-dicarboxamide188612-53-5C6H9N5O2
α-Phenylpiperidine-2-acetamide??-??????-2-??????19395-39-2C13H18N2O
tert-Butyl 4-(6-chloropyrimidin-4-yl)piperazine-1-carboxylate203519-88-4C13H19ClN4O2
Remdesivir Impurity 261884576-18-4C30H39N6O8P
6-Methyl-4-phenylchroman-2-ol?????????209747-04-6C16H16O2
Ethyl 5-oxoazepane-4-carboxylate hydrochloride??????-5-??-1H-???-4-?????????????19673-14-4C9H15NO3.HCl
4-(4-Hydroxy-3,5-diiodophenoxy)-3,5-diiodobenzaldehyde (Levothyroxine Impurity)3,5,3',5'-????????????2016-06-0C13H6I4O3
Boc-L-isoleucine hemihydrateN-Boc-L-????????????204138-23-8C22H44N2O9
Benzene-1,2,4,5-tetrathiol20133-21-5C6H6S4
5,10,15,20-Tetra(4-methylphenyl)-21H,23H-porphine iron(III) chloride??-?????????-Fe(III)?????19496-18-5C48H36ClFeN4
2-Methyl-3,4,10,14b-tetrahydrobenzo[c]pyrazino[1,2-a]pyrido[3,2-f]azepin-1(2H)-one (Mirtazapine Impurity)1-OxoMirtazapine(????????C)191546-96-0C17H17N3O
4-Chloro-3-iodophenol4-???-3-?????202982-72-7C6H4ClIO
Doxorubicinone????????24385-10-2C21H18O9
Torachrysone22649-04-3C14H14O4
Thallium(III) trifluoroacetate23586-53-0C2H2F3O2Tl
Bis(tricyclohexylphosphine)[(phenylthio)methylene]ruthenium (II) dichlorideBIS(???????????)[(????)???]???(IV)????219770-99-7C43H72Cl2P2RuS
(S)-3-Amino-5-phenylpentanoicacid218278-62-7C11H15NO2
4-(2-Chlorophenoxy)piperidine4-(2-??????)????245057-65-2C11H14ClNO
2-Bromomethyl-2,3-dihydrobenzo[1,4]dioxine2-?????-1,4-?????2164-34-3C9H9BrO2
2-(3-((4-amino-2-methylpyrimidin-5-yl)methyl)-4-methylthiazol-3-ium-5-yl)ethyl sulfate (Vitamin Impurity）2380-61-2C12H16N4O4S2
(R)-(+)-N-(1-Phenylethyl)phthalamic acid(R)-(+)-N-(1-????)????21752-35-2C16H15NO3
(S)-tert-Butyl 2-(2-aminoethyl)pyrrolidine-1-carboxylate(S)-2-(?????)-1-N-BOC-????239483-09-1C11H22N2O2
1-Chloro-6-fluorophthalazine1-???-6-????????23928-55-4C8H4ClFN2
1-(6-Nitroindolin-1-yl)ethanone1-???-2,3-????-6-???-1H-??22949-08-2C10H10N2O3
2-(1a-Methyl-6-oxo-3-phenoxy-1,1a,6,6a-tetrahydroindeno[1,2-b]azirine-6a-carboxamido)acetic acid (Roxadustat Impurity)2301113-15-3C19H16N2O5
1,3-Diolein2465-32-9C39H72O5
Selenocyanatobenzene2179-79-5C7H5NSe
Isopropyl decanoate2311-59-3C13H26O2
5-(Bromomethyl)-1,2,3-trimethoxybenzene5-?????-1,2,3-?????-??21852-50-6C10H13BrO3
2,7-Naphthyridine-3-carboxylic acid2,7-?????-3-??…250674-48-7C9H6N2O2
2,2,2-Trichloro-1-(1-methyl-1H-pyrrol-2-yl)ethanone2-????????-1-????21898-65-7C7H6Cl3NO
2-(Cyclopent-1-en-1-yl)acetonitrile22734-04-9C7H9N
2,2',3,3',5,5',6,6'-Octafluoro-4,4'-dimethoxy-1,1'-biphenyl2200-71-7C14H6F8O2
Methyl hex-3-enoate2396-78-3C7H12O2
Monocalcium mono((3aR,3a'R,5R,5'R,6S,6aS,6'S,6a'S)-6,6'-dihydroxy-3a,3a',5,5'-tetrakis(hydroxymethyl)octahydro-2,2'-spirobi[furo[2,3-d][1,3,2]dioxaborol]-2-uide)?????????250141-42-5C24H40B2CaO24
(1R)-Quinolin-4-yl((2S,4S,5R)-5-vinylquinuclidin-2-yl)methanol hydrochloride24302-67-8C19H23ClN2O
Fmoc-D-Asu-OHFMOC-D-2-???????218457-78-4C23H25NO6
Undecanenitrile???????2244-07-7C11H21N
Indobufen Impurity 321762-22-1C10H11NO4
2-Methyl-N-(o-tolyl)benzamide22978-49-0C15H15NO
2,2’-Bis(hydroxyphenyl)methane??(2-???????)???2467-02-9C13H12O2
3-Bromobenzothioamide3-???-??????2227-62-5C7H6BrNS
Copper(II) (E)-1-(pyridin-2-yldiazenyl)naphthalen-2-olate???(CU-EDTA+?)23299-85-6C30H20CuN6O2
(3-(Diethylcarbamoyl)phenyl)boronic acid3-(N,N-??????????)?????237413-05-7C11H16BNO3
4,5-Dibromo-2-furancarboxaldehyde4,5-????-2-??????2433-85-4C5H2Br2O2
Methyl 2-methylpentanoate2177-77-7C7H14O2
2,4′-Dihydroxydiphenylmethane2467-03-0C13H12O2
2-(Pentafluorophenoxy)ethanol2192-55-4C8H5F5O2
(1S,2S)-2-(Benzyloxy)cyclohexanamine(1S,2S)-(+)-2-???????????216394-07-9C13H19NO
Ethyl (E)-3-(4-chlorophenyl)acrylate24393-52-0C11H11ClO2
(2S,3S)-2-(2,4-difluorophenyl)-3-(5-fluoropyrimidin-4-yl)-1-(1H-1,2,4-triazol-1-yl)butan-2-ol239807-04-6C16H14F3N5O
2-Chlorofluorene2-???????2523-44-6C13H9Cl
2,4-Difluoro-3-methoxybenzonitrile3-???-2,4-??????????220353-20-8C8H5F2NO
(E)-4-Methoxychalcone22252-15-9C16H14O2
2-Bromo-1-(2,4-dihydroxyphenyl)ethan-1-one2-?????-1-(4-?????-??)-???2491-39-6C8H7BrO3
Benzoylcholine (bromide)??????????24943-60-0C12H18BrNO2
3-Methoxypiperidin-2-one3-???-2-????25219-59-4C6H11NO2
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