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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-(2-Methoxyethoxy)aniline3-(2-??????)??????110178-35-3C9H13NO2
(1-(5-Bromopyrimidin-2-yl)piperidin-3-yl)methanol[1-(5-???????-2-?)????-3-?]???1189973-29-2C10H14BrN3O
3-Bromo-7-chloro-1h-pyrrolo[2,3-c]pyridine3-???-7-???-1H-???[2,3-c]???1190318-02-5C7H4BrClN2
2-(Difluoromethoxy)-6-fluorobenzaldehyde1214333-68-2C8H5F3O2
N-Methyl-3-(naphthalen-1-yloxy)-3-(thiophen-3-yl)propan-1-amine hydrochloride (Duloxetine Impurity)?????????F(10mg)((S)-N-??-3-(????-1-???)-3-(???-3-?)???-1-?????)1104890-90-5C18H20ClNOS
4-Bromo-1H-indazole-3-carbonitrile4-broMo-1H-???-3-??????1167055-55-1C8H4BrN3
1,4-Bis((E)-2-(pyridin-4-yl)vinyl)benzene110144-22-4C20H16N2
Ethyl 5-bromo-6-hydroxypicolinate??5-broMo-6-???????????1214346-74-3C8H8BrNO3
1-(5-O-Acetyl-β-D-ribofuranosyl)-4-amino-1,3,5-triazin-2(1H)-one1174733-90-4C10H14N4O6
(1-((2'-(1H-Tetrazol-5-yl)-[1,1'-biphenyl]-4-yl)methyl)-2-butyl-5-chloro-1H-imidazol-4-yl)methanol (Losartan Impurity)LosartanIMpurityC(??????)114799-13-2C22H23ClN6O
4'-Acetyl-[1,1'-biphenyl]-4-carboxylic acid114691-92-8C15H12O3
2-(3-Trifluoromethylphenyl)glycine (hydrochloride)2-???-2-(3-(????????)??)???????1134915-25-5C9H9ClF3NO2
4'-Nitro-[1,1'-biphenyl]-4-amine4-???-4'-??????1211-40-1C12H10N2O2
(2-(2,2,2-Trifluoroethoxy)pyridin-3-yl)boronic acid2-(2,2,2-?????????)???-3-???1218790-79-4C7H7BF3NO3
1-tert-Butyl-5-phenylpyrazole1-tert-??-5-??-1H-???1204355-48-5C13H16N2
tert-Butyl 3,3-difluoro-4-oxopyrrolidine-1-carboxylatetert-??3,3-?????-4-??????-1-???????1215071-16-1C9H13F2NO3
3-Methoxy-2-(trifluoromethyl)benzaldehyde3-???-2-(????????)??????1214384-89-0C9H7F3O2
Benzyl methyl-d-leucinate 4-methylbenzenesulfonate1208162-98-4C21H29NO5S
(e)-1-(1h-Imidazol-1-yl)-3-phenylprop-2-en-1-one1138-15-4C12H10N2O
rel-1-(1,1-Dimethylethyl) (3R,4S)-4-(4-bromophenyl)-1,3-pyrrolidinedicarboxylate1217829-96-3C16H20BrNO4
4-Hydroxy-butyric acid tert-butyl esterTERT-BUTYLN-[5-(TOSYLOXY)PENTYL]??????118811-34-0C17H27NO5S
2,3,7,8,12,13,17,18-Octafluoro-5,10,15,20-tetrakis(pentafluorophenyl)porphyrin2,3,7,8,12,13,17,18-??????-5,10,15,20-?????(????????)????121399-88-0C44H2F28N4
2-((8S,9s,10r,11s,13s,14s,17s)-11-hydroxy-10,13-dimethyl-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 acetate1173-26-8C23H32O5
2-Methoxy-6-(tri-n-butylstannyl)pyrazine, 95%2-METHOXY-6-(TRIBUTYLSTANNYL)???1105511-66-7C17H32N2OSn
2-(Cyclohexyloxy)ethan-1-amine hydrochloride2-(???????)???????1193387-70-0C8H18ClNO
Methyl 5-oxo-3-[(triethylsilyl)oxy]-1-cyclopentene-1-heptanoate1-??????-1-???,5-??-3-[(??????)??]-,??????112713-92-5C19H34O4Si
(S)-3-amino-4-(2,4,5-trifluorophenyl)butanoic acid hydrochloride (Sitagliptin Impurity）(S)-3-???-4-(2,4,5-????????)-????-HCL1217809-78-3C10H11ClF3NO2
(2R,3R,4S,5R,6S)-2-(hydroxymethyl)-6-((4-nitrophenyl)disulfanyl)tetrahydro-2H-pyran-3,4,5-triol1230-27-9C12H15NO7S
1-(Triisopropylsilyl)indole1-(?????????)??123191-00-4C17H27NSi
3,5-Diiodothyroacetic acid3,5-?????????1155-40-4C14H10I2O4
(S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-2-(2-methoxyphenyl)acetic acidFMOC-(S)-2-???-?????1176648-58-0C24H21NO5
3-Methoxyazetidine110925-17-2C4H9NO
4-(Bromomethyl)-2-(trifluoromethyl)pyridine4-(?????)-2-(????????)???1227585-56-9C7H5BrF3N
7-Bromo-9,13b-dihydro-1H-dibenzo[c,f]imidazo[1,5-a]azepin-3-amine (Epinastine Impurity)7-????????1217052-16-8C16H14BrN3
Ethyl2-Fluoro-6-nitrobenzoate??2-????-6-????????1154426-16-0C9H8FNO4
[4-(1,3-Thiazol-2-yl)benzyl]amine hydrochloride(4-(???-2-?)??)???????1187451-28-0C10H11ClN2S
3,3'-Di(dibenzothiophen-4-yl)-1,1'-biphenyl1128045-14-6C36H22S2
Fmoc-α-methyl-L-4-Fluorophe1175838-03-5C25H22FNO4
(S)-3,5-dichloro-N-((1-ethylpyrrolidin-2-yl)methyl)-2,6-dihydroxybenzamide(S)-3,5-????-N-[(1-??-2-?????)??]-2,6-?????-????119670-11-0C14H18Cl2N2O3
(R)-3-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(furan-2-yl)propanoic acidFMOC-(R)-3-AMINO-3-(2-FURYL)-?????1217662-55-9C22H19NO5
rel-Ethyl (3r,4s)-4-(4-fluorophenyl)-1-methyl-2,6-dioxopiperidine-3-carboxylate???-3-???????-4-(4-??????)-N-??????-2,6-??109887-52-7C15H16FNO4
2,4,6-Triaminobenzene-1,3,5-triol114491-15-5C6H9N3O3
Fmoc-2,4-Dimethyl-D-phenylalanineFmoc-2,4-???-D-?????1217627-86-5C26H25NO4
tert-Butyl N-(azetidin-3-ylmethyl)-N-methylcarbamate hydrochloridetert-??????-3-???(??)????????1170019-97-2C10H21ClN2O2
(S)-3-Amino-2-oxetanone p-toluenesulfonic acid salt112839-95-9C10H13NO5S
(1S,4S,5S)-4,7,7-Trimethyl-6-thiabicyclo[3.2.1]octane1208985-45-8C10H18S
2-Chloro-5-(ethoxymethyl)thiazole2-???-5-?????-???1209494-04-1C6H8ClNOS
9-Fluoro-3-methyl-10-(4-methylpiperazin-1-yl)-2H-[1,4]oxazino[2,3,4-ij]quinolin-7(3H)-one (Ofloxacin Impurity)??????????123155-82-8C17H20FN3O2
4-Hydroxy-4-(trifluoromethyl)cyclohexane-1-carboxylic acid4-????-4-(????????)??????????1163729-47-2C8H11F3O3
Methyl 3-amino-2-methylpyridine-4-carboxylate4-????????,3-aMino-2-??-,??????1227581-39-6C8H10N2O2
(S)-2-(((S)-(((2R,3R,4R,5R)-5-(2,4-Dioxo-3,4-dihydropyrimidin-1(2H)-yl)-4-fluoro-3-hydroxy-4-methyltetrahydrofuran-2-yl)methoxy)(hydroxy)phosphoryl)amino)propanoic acid (Sofosbuvir Impurity)??????????GS5665001233335-78-8C13H19FN3O9P
N-[(9H-Fluoren-9-ylmethoxy)carbonyl]-1-[(4-methylphenyl)sulfonyl]-L-histidineFMOC-HIS(TOS)-?112380-10-6C28H25N3O6S
Piperazin-1-yl(p-tolyl)methanone1-(4-??-???)-????111752-26-2C12H16N2O
5-methyl-6-(4-(4-oxopyridin-1(4H)-yl)phenyl)-4,5-dihydro-1,2,4-triazin-3(2H)-one5-BROMO-3-??????113118-31-3C15H14N4O2
Oxetan-2-ylmethyl 4-methylbenzene-1-sulfonate???-4-??????-2-???????115845-51-7C11H14O4S
(S)-1-((3S,6S,9S,12S,15R,18R,21S)-3-((1H-Imidazol-5-yl)methyl)-6-((1H-indol-3-yl)methyl)-21-(3-guanidinopropyl)-12-(4-hydroxybenzyl)-9-(hydroxymethyl)-15,18-diisobutyl-1,4,7,10,13,16,19-heptaoxo-1-((S)-5-Oxopyrrolidin-2-yl)-2,5,8,11,14,17,20-heptaazadocosan-22-oyl)-N-ethylpyrrolidine-2-carboxamide (Leuprolide (Leuprorelin) Impurity)(D-LEU7)-??????112710-58-4C59H84N16O12
1-(2-(Dimethylamino)ethyl)-1H-pyrazol-4-amine1-[2-(??????)??]-1H-???-4-??1152939-98-4C7H14N4
2-Sulfoacetic acid123-43-3C2H4O5S
cis-1,5-Benzothiazepin-4(5H)-one, 3-(acetyloxy)-5-(2-aminoethyl)-2,3-dihydro-2-(4-methoxyphenyl)-, monohydrochloride, (2S)-N,N-????????????116050-35-2C20H23ClN2O4S
1-Benzhydryl-4-((1E,5E)-1,6-diphenylhexa-1,5-dien-3-yl)piperazine (Cinnarizine Impurity)1199751-98-8C35H36N2
H-gly-obzl p-tosylate114342-15-3C16H19NO5S
(2R)-1-(tert-Butoxycarbonyl)octahydro-1H-indole-2-carboxylic acidBoc-D-????????-2-?????1217525-04-6C14H23NO4
Ethyl 3-bromo-4-(trifluoromethyl)benzoate??3-broMo-4-(????????)?????1214386-97-6C10H8BrF3O2
6-Methoxyimidazo[1,2-a]pyridine-2-carboxylic acid6-???????[1,2-a]???-2-?????1159832-92-4C9H8N2O3
3-(2-Bromophenyl)-9-phenyl-9H-carbazole1190100-35-6C24H16BrN
(R)-Methyl 2-((R)-3,4-dihydroxy-5-oxo-2,5-dihydrofuran-2-yl)-2-hydroxyacetate122046-79-1C7H8O7
Tetrakis(2-ethylhexyl) Orthosilicate115-82-2C32H68O4Si
Benzyl pyrrolidin-3-ylcarbamate3-N-CBZ-???????115551-46-7C12H16N2O2
(3R,4R)-1-(tert-Butoxycarbonyl)-4-isopropylpyrrolidine-3-carboxylic acid4-?????????-1,3-??????1-???-??????1212348-80-5C13H23NO4
(3-Phenyloxetan-3-yl)methanol(3-?????-3-?)???114012-43-0C10H12O2
5-Bromo-4-chloro-2-methylaniline5-???-4-???-2-?????1126367-88-1C7H7BrClN
(R)-Pyrrolidin-3-ylmethanol hydrochloride(R)-3-?????????????1227157-98-3C5H12ClNO
Streptochlorin???????120191-51-7C11H7ClN2O
Phe-Lys(Trt)-PAB1116085-99-4C41H44N4O3
Zinc titanium oxide, 99.9% (metals basis)12036-69-0H2OTiZn
stereoisomer of Hexahydro-8-hydroxy-2,6-methano-2H-quinolizin-3(4H)-one115956-07-5C10H15NO2
4'-Formyl-[1,1'-biphenyl]-2-carboxylicacid4'-???-???-2-????112804-58-7C14H10O3
1,3-Bis(4-methoxyphenyl)urea1,3-??(p-?????)???1227-44-7C15H16N2O3
(6R,7R)-1-Acetoxyethyl 3-((carbamoyloxy)methyl)-7-((Z)-2-(furan-2-yl)-2-(methoxyimino)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylate (Cefuroxime Impurity)123458-61-7C20H22N4O10S
5-Bromo-2-ethylpyrimidine-4-carboxylic acid4-?????????,5-???-2-??-1235450-86-8C7H7BrN2O2
(3S,6S,9S,19R,22S,25R)-31-((S)-2-((S)-4-amino-2-((S)-2-decanamido-3-(1H-indol-3-yl)propanamido)-4-oxobutanamido)-3-carboxypropanamido)-3-(2-(2-aminophenyl)-2-oxoethyl)-25-(3-aminopropyl)-22-(carboxymethyl)-6-((S)-1-carboxypropan-2-yl)-9-(hydroxymethyl)-19123180-72-3C72H101N17O26
Methyl 3-hydroxy-1-methyl-1H-pyrrole-2-carboxylate1H-??-2-?????,3-????-1-??-,??????113602-62-3C7H9NO3
Flurbiprofen Impurity 191206101-29-2C24H16F2
N2200/PNDI-2T1100243-40-0(C62H88N2O4S2)n
Glycine p-nitroanilide1205-88-5C8H9N3O3
(S)-1-((3S,6S,9S,12R,15R,18S,21S)-3-((1H-Imidazol-5-yl)methyl)-6-((1H-indol-3-yl)methyl)-21-(3-guanidinopropyl)-12-(4-hydroxybenzyl)-9-(hydroxymethyl)-15,18-diisobutyl-1,4,7,10,13,16,19-heptaoxo-1-((S)-5-oxopyrrolidin-2-yl)-2,5,8,11,14,17,20-heptaazadocosan-22-oyl)-N-ethylpyrrolidine-2-carboxamide (Leuprorelin (Leuprolide) Impurity)(D-TYR5)-??????112710-57-3C59H84N16O12
1-tert-Butyl 6-methyl 1H-indazole-1,6-dicarboxylateTERT-????1H-???-1,6-????????1126424-50-7C14H16N2O4
(S)-Methyl 2-amino-3-cyclopentylpropanoate hydrochloride??????????,α-???-,??????,???(1:1),(αS)-1191996-99-2C9H18ClNO2
(S)-2-(Trifluoromethyl)pyrrolidine2(S)-2-????????????119580-41-5C5H8F3N
Lithium thiocyanate hydrate,98.00%123333-85-7CH4LiNOS
2-(2-Fluorophenoxy)ethan-1-amine????,2-(2-???????)-(9CI)120351-90-8C8H10FNO
(S)-Ethyl piperidine-2-carboxylate hydrochloride??(S)-????-2-???????HCL123495-48-7C8H16ClNO2
2,5-Dibromothiophene-3-carbaldehyde2,5-???????-3-???????1193-69-7C5H2Br2OS
6-Chloro-3-nitro-1H-pyrrolo[2,3-b]pyridine6-???-3-???-7-????1190309-92-2C7H4ClN3O2
tert-Butyl (3-(methylamino)propyl)carbamate hydrochloride1-Boc-???-3-???????????1188264-02-9C9H21ClN2O2
4-Methyl-1H-pyrrolo[2,3-c]pyridine4-??-1H-???[2,3-c]???1190321-86-8C8H8N2
Imidazo[1,2-a]pyridine-3-sulfonic acid????[1,2-a]???-3-???112581-51-8C7H6N2O3S
2-Bromo-5-fluoro-1,3-thiazole2-???-5-????-1,3-???1209458-83-2C3HBrFNS
trans-ACBD117488-23-0C6H9NO4
(R)-N-(2-Chloroallyl)-2,3-dihydro-1H-inden-1-amine hydrochloride (Rasagiline Impurity)1175018-75-3C12H15Cl2N
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