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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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Landiolol Impurity 262414593-71-6C20H31N3O6
2-Phenyloxazole-4-carboxylic acid2-??-1,3-???-4-?????23012-16-0C10H7NO3
Methyl 3-oxo-3-(p-tolyl)propanoate??3-(4-????)-3-?????????22027-51-6C11H12O3
(S)-Methyl 2-(ethylamino)-3-methylbutanoate(S)-N-???????????222550-60-9C8H17NO2
2-amino-4,5-bis(2-methoxyethoxy)benzamide (Erlotinib Impurity）????????20236750-62-2C13H20N2O5
O-[(Phenylmethoxy)carbonyl]-L-tyrosine21106-04-7C17H17NO5
(R)-N-Benzyl-2-(3-benzylureido)-3-methoxypropanamide (Lacosamide Impurity)2295925-90-3C19H23N3O3
Lifitegrast Impurity 72129597-34-6C19H13Cl2NO4
4-Chlorobutanamide4-?????????2455-04-1C4H8ClNO
1-(2,5-Dimethyloxazol-4-yl)ethanone???,1-(2,5-???-4-????)-(9Cl)23000-12-6C7H9NO2
3'-O-Acetylthymidine3'-??????21090-30-2C12H16N2O6
1-(Furan-2-yl)ethan-1-amine1-??-2-?-????22095-34-7C6H9NO
2-(Oxolan-2-yl)acetic acid2-(???-2-?)????2434-00-6C6H10O3
Glycylvaline2325-17-9C7H14N2O3
tert-Butyl 2-oxospiro[1H-indene-3,4'-piperidine]-1'-carboxylatetert-??2-??-2,3-???????[??-1,4'-????]-1'-???????241819-85-2C18H23NO3
3-(Trifluoromethyl)bicyclo[1.1.1]pentane-1-carboxylic acid224584-18-3C7H7F3O2
3-(4-(Methylsulfonyl)piperazin-1-yl)benzo[d]isothiazole2190680-18-1C12H15N3O2S2
2,5-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)terephthalaldehyde2305615-53-4C20H28B2O6
1,4-Bis(6-nitropyridin-3-yl)piperazine2340184-77-0C14H14N6O4
Sodium 2-(hydroxybis(4-(phosphonatooxy)phenyl)methyl)benzoate hydrate?????2-[?????[4-(???????)??]??]?????2382-56-1C20H13Na5O11P2
2-Ethynylcyclopentan-1-ol???????,2-???-(8CI,9CI)22022-30-6C7H10O
3-(2,3,5-Trifluorophenyl)acrylic acid237761-79-4C9H5F3O2
4-Chloro-6,7-dimethoxyquinoline-3-carbonitrile4-???-6,7-????-???-3-?????214470-55-0C12H9ClN2O2
6-(4-Fluorophenyl)nicotinic acid6-(4-??????)-????223127-24-0C12H8FNO2
2-(4-Chlorophenyl)-1,3-Dioxolane2-(4-?????)-1,3-????2403-54-5C9H9ClO2
Bis(2,2,6,6-tetramethyl-3,5-heptanedionato)magnesium21361-35-3C22H38MgO4
4-Ethoxycyclohexanone4β-??????????23510-92-1C8H14O2
2-Hydroxy-4-methylbenzenesulfonic acid22356-80-5C7H8O4S
5-Quinolinesulfonic acid???-5-???23261-58-7C9H7NO3S
2-Acetoxy-5-acetylbenzyl acetate4-????-3-???????????24085-06-1C13H14O5
1H-Pyrrolo[2,3-b]pyridine-2-carboxamide1H-???[2,3-b]???-2-???????(9CI)223376-47-4C8H7N3O
(Z)-1-Bromo-2-ethoxyethene23521-49-5C4H7BrO
7-Sulfamoyl-3,4-dihydro-1,2,4-benzothiadiazine 1,1-dioxide23141-82-4C7H9N3O4S2
2,2'-((2,2'-Disulfanediylbis(propanoyl))bis(azanediyl))diacetic acid21269-37-4C10H16N2O6S2
(2S,4R)-4-allyl-1-(tert-butoxycarbonyl)pyrrolidine-2-carboxylic acidBOC-(R)-??-??-L-???224645-82-3C13H21NO4
Y6-12304444-52-6C56H82N4S5
(1S,5S,6S)-Ethyl 5-(pentan-3-yloxy)-7-oxabicyclo[4.1.0]hept-3-ene-3-carboxylate (Oseltamivir Impurity）2413185-88-1C14H22O4
5-((2-(2-fluorophenyl)-4-((methylamino)methyl)-1H-pyrrol-1-yl)sulfonyl)-1,2,3,4-tetrahydropyridin-2-ol (Vonoprazan Impurity）2416241-96-6C17H20FN3O3S
4-tert-Butyl-1-(ethoxycarbonylmethoxy)thiacalix[4]arene210706-03-9C56H72O12S4
4,4'-Bis((4-chlorophenyl)sulfonyl)-1,1'-biphenyl22287-56-5C24H16Cl2O4S2
Methyl beta-L-fucopyranoside24332-98-7C7H14O5
1,2-Bis(4-methylthiazol-2-yl)disulfane2,2'-?????(4-?????)23826-98-4C8H8N2S4
Fmoc-β-Ala-Pro-OH2171246-67-4C23H24N2O5
(s)-n-(3-Chloro-2-hydroxypropyl)acetamide224323-47-1C5H10ClNO2
7-Methoxy-2-phenylchroman-4-one7-????????21785-09-1C16H14O3
4-(4-Methyl-piperazine-1-sulfonyl)-phenylamine4-[(4-??????-1-)???]???21623-68-7C11H17N3O2S
1-Methyl-1H-benzimidazol-7-amine1H-?????-7-??,1-??-(9CI)21577-25-3C8H9N3
CAY1056822913-17-3
1-Benzylcyclopentane-1-carboxylic acid1-????????????220875-85-4C13H16O2
3-Phenyl-3-(2,2,2-trifluoro-acetylamino)-propionic acid3-??-3-(2,2,2-???????????)????21735-63-7C11H10F3NO3
1-Ethyl-1-methylpyrrolidin-1-ium bis((trifluoromethyl)sulfonyl)amide1-??-1-???????? 1,1,1-??????-N-[(???? ????)???]???????? ?(1:1)223436-99-5C9H16F6N2O4S2
3,4-Dichloro-2-hydroxybenzaldehyde3,4-????-2-??????????23602-61-1C7H4Cl2O2
Imidazo[1,2-a]pyridin-3-yl(phenyl)methanone210035-02-2C14H10N2O
4-Benzyldihydrofuran-2(3H)-one4-?????-2-?22530-98-9C11H12O2
(2-chloro-5-iodophenyl)(2-ethoxyphenyl)methanone (Dapagliflozin Impurity）2305949-33-9C15H12ClIO2
(1S,2S,3S,5R)-2,6,6-Trimethylbicyclo[3.1.1]heptan-3-ol24041-60-9C10H18O
2,4,5-Trimethyl-2,5-dihydrooxazole22694-96-8C6H11NO
cis-Tetrahydrofuran-2,5-dicarboxylic acid????????-2,5-??????2240-81-5C6H8O5
Naphthalene-1,4-diyldiboronic acid????-1,4-????22871-75-6C10H10B2O4
Methyl 4-(4-iodophenoxy)benzoate4-(4-IODO-PHENOXY)-?????????21120-76-3C14H11IO3
(3-(Methoxymethoxy)phenyl)boronic acid3-(??????)?????216443-40-2C8H11BO4
1,2,3,4,6-Penta-O-pivaloyl-D-mannopyranose1,2,3,4,6-??-O-????-D-??????220017-47-0C31H52O11
1-(4-Fluorophenyl)-4,6-dimethyl-2-oxo-1,2-dihydropyridine-3-carbonitrile24522-49-4C14H11FN2O
Bis(2,2,6,6-tetramethyl-3,5-heptanedionato)lead(II)??(2,2,6,6-?????-3,5-??????)?(Ⅱ)21319-43-7C22H38O4Pb
3,4-Difluorobenzohydrazide3,4-??????????????229957-07-7C7H6F2N2O
4-(2-((2,4-Dimethylphenyl)thio)phenyl)piperazine-1-carbaldehyde (Vortioxetine Impurity)2135576-73-5C19H22N2OS
1,2-Dichloro-3,5-dinitrobenzene1,2-????-3,5-??????2213-80-1C6H2Cl2N2O4
2,3-Dihydro-1H-benzo[de]isoquinoline2,3-DIHYDRO-1H-BENZ[DE]?????22817-26-1C12H11N
Triphenyl(2-thienylmethyl)-phosphonium Bromide????(2-?????)?????????23259-98-5C23H20PS.Br
Germanium tetrapropan-2-olate21154-48-3C12H28GeO4
3,4-Difluoro-2-((phenylthio)methyl)benzoic acid2136287-65-3C14H10F2O2S
1,2-Bis(phenylthio)ethene1,2-??(????)???(CIS???????)23528-44-1C14H12S2
5'-Ethyl-2'-hydroxyacetophenone24539-92-2C10H12O2
Methyl 4-sulfamoylbenzoate??4-?????????22808-73-7C8H9NO4S
6-Methoxy-2-methyl-1,3-benzoxazole6-???-2-???????23999-64-6C9H9NO2
3-Bromo-N,N-dimethylbenzamide3-???-N,N-????????24167-51-9C9H10BrNO
2,4,6-Tris(3,4,5-trifluorophenyl)-1,3,5,2,4,6-trioxatriborinane2,4,6-???(3,4,5-????????)???223440-94-6C18H6B3F9O3
6-Amino-1H-indazol-3(2H)-one Hydrochloride6-???-1,2-????-3H-???-3-?HCl220991-84-4C7H8ClN3O
ICTh2099010-83-8C10H4N2OS
Methyl 4,4,4-trifluorobutyrate??4,4,4-???????????2365-82-4C5H7F3O2
meso-2,3-Diaminosuccinic acid23220-52-2C4H8N2O4
1-Amino-4-hydroxy-2-methoxyanthracene-9,10-dione2379-90-0C15H11NO4
8-(Trifluoromethyl)quinolin-4-amine4-AMINO-8-(????????)??243977-15-3C10H7F3N2
4'-(1-Pyrrolidino)acetophenone4-(1-PYR????)?????21557-09-5C12H15NO
2-[(4-methylphenoxy)methyl]oxirane2-P-??????-???2186-24-5C10H12O2
1-(Pyridin-2-yl)propane-1,3-diol1-(???-2-?)???-1,3-??213248-46-5C8H11NO2
2-[(1R,2S)-1-Ethyl-2-(phenylmethoxy)propyl]-2,4-dihydro-4-[4-[4-(4-hydroxyphenyl)-1-piperazinyl]phenyl]-3H-1,2,4-triazol-3-one2243786-02-7C30H35N5O3
1-(5-(2-fluorophenyl)-1-((1,4,5,6-tetrahydropyridin-3-yl)sulfonyl)-1H-pyrrol-3-yl)-N-methylmethanamine (Vonoprazan Impurity）2416241-97-7C17H20FN3O2S
(S)-2-[(SP)-2-(Diphenylphosphino)ferrocenyl]-4-isopropyl-2-oxazoline triphenylphosphine ruthenium(II) dichloride Complex212133-11-4C46H43Cl2FeNOP2Ru10*
1-(3-Bromophenyl)dibenzo[b,d]furan2229864-78-0C18H11BrO
(2R,3S,5R)-5-(6-amino-2-fluoro-9H-purin-9-yl)-2-(hydroxymethyl)tetrahydrofuran-3-ol2-????-2′-???????21679-12-9C10H12FN5O3
(4-((Diethylamino)methyl)phenyl)boronic acid4-(N,N-????????)?????220999-48-4C11H18BNO2
((2r,3s,5r)-5-(4-Amino-5-methyl-2-oxopyrimidin-1(2h)-yl)-3-hydroxytetrahydrofuran-2-yl)methyl tetrahydrogen triphosphate5-???????????22003-12-9C10H18N3O13P3
4-(1H-Pyrrol-1-yl)benzonitrile4-(1H-??-1-?)?????23351-07-7C11H8N2
(R)-2-methylbutane-1,4-diol(R)-2-??-1,4-????22644-28-6C5H12O2
Bupropion Impurity 92133460-43-0C12H14ClNO3S
2,6-Dichloro-5-fluoro-N-((2-isopropyl-4-methylpyridin-3-yl)carbamoyl)nicotinamide2252403-81-7C16H15Cl2FN4O2
Methyl formyl-l-phenylalaninate2311-21-9C11H13NO3
7-(4-(4-(benzo[b]thiophen-4-yl)piperazin-1-yl)butoxy)-1-(4-(4-(benzo [b]thiophen-4-yl)piperazin-1-yl)butyl)quinolin-2(1H)-one dihydrochloride2137823-20-0C41H47N5O2S2
Bilastine Impurity A2411093-91-7C36H43N3O4
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