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

?? ?:Shanghai Haohong Scientific Co., Ltd.
??:400-8210725
???:malulu@leyan.com
??:China
URL: www.leyan.com/
? ?? ?:39996
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Allyl dimethylcarbamodithioate????????????????20821-66-3C6H11NS2
3-chloro-4,5-dimethoxypyridazine3-???-4,5-?????????2096-22-2C6H7ClN2O2
Topiroxostat Impurity 62044704-63-2C7H8N4O2
(R)-Methyl 2-(pyrrolidin-3-yloxy)acetate 4-methylbenzenesulfonate1965314-51-5C14H21NO6S
Lithium (Fluorosulfonyl)(trifluoromethanesulfonyl)imide192998-62-2CF4LiNO4S2
Manganese(II) (E)-1,1,1-trifluoro-4-oxopent-2-en-2-olateBIS(??????-2,4-???????)??(II)20080-72-2C10H8F6MnO4
Octane-1,8-diamine dihydroiodide2044283-92-1C8H21IN2
5-Fluoroorotic acid (hydrate)5-?????????????207291-81-4C5H5FN2O5
trans-3-(tert-Butyldimethylsilyloxy)-N,N-dimethyl-1,3-butadiene-1-amine194233-66-4C12H25NOSi
4-Bromo-N-ethylbenzenesulfonamide4-????????????1984-25-4C8H10BrNO2S
(R)-2-((tert-butoxycarbonyl)amino)-2-(4-fluorophenyl)acetic acid196707-32-1C13H16FNO4
(3S)-3-[[(S)-1-Phenylethyl]amino]-1,3,4,5-tetrahydro-2H-1-benzazepin-2-one197658-50-7C18H20N2O
Dehydrochromolaenin20013-76-7C15H14O
4-(2-(2-amino-4,6-dioxo-4,5,6,7-tetrahydro-1H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl)benzoic acid (Pemetrexed Impurity）193265-47-3C15H14N4O4
1-(Tert-butyl) 2-methyl (2S,4R)-4-cyanopyrrolidine-1,2-dicarboxylate194163-91-2C12H18N2O4
(Z)-11-tetradecen-1-ylacetate??-11-?????-1-? ????20711-10-8C16H30O2
((Benzyloxy)carbonyl)-l-isoleucyl-l-tryptophan196502-46-2C25H29N3O5
(2S,3R,4R,5S,6R)-2-(4-Chloro-3-(2-ethoxybenzyl)phenyl)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol (Dapagliflozin Impurity)2040305-05-1C21H25ClO6
Fmoc-L-Phe(4-Et)-OH204384-72-5C26H25NO4
Fmoc-D-Ala(alpha-cyclopropyl)-OH1926163-86-1C21H21NO4
2-(Phenylsulfonyl)ethanol20611-21-6C8H10O3S
Palbociclib Impurity 1071974279-21-4C28H33N7O5
2-(Pyrrolidin-2-yl)ethanol????-2-???19432-88-3C6H13NO
(Tert-butoxycarbonyl)leucine hydrate200937-21-9C11H23NO5
2,5-Dimethylhexan-3-ol2,5-DIMETHYL-3-???19550-07-3C8H18O
2-Octadecyloxirane19780-16-6C20H40O
(9H-fluoren-9-yl)methyl (S)-(1-hydroxy-4-oxo-4-(tritylamino)butan-2-yl)carbamateFMOC-??????(TRT)198543-08-7C38H34N2O4
3,5-Dibromopyridine-4-methanol(3,5-???????-4-YL)???197008-13-2C6H5Br2NO
7A-methyl-2,3,7,7a-tetrahydro-1H-indene-1,5(6H)-dione19576-08-0C10H12O2
2-Amino-1-methyl-1,5-dihydro-4H-imidazol-4-one hydrochloride????????19230-81-0C4H8ClN3O
(2S,5S)-ethyl 5-((benzyloxy)amino)piperidine-2-carboxylate (Avibactam Impurity）2085372-13-8C15H22N2O3
Loratadine Impurity 1201466-35-5C22H26N2O2
4-(3-(pyridin-4-yl)-1H-1,2,4-triazol-5-yl)picolinimidohydrazide2044706-50-3C13H12N8
2-Fluoro-5-(trifluoromethyl)benzamide207919-05-9C8H5F4NO
N-[[4-[trifluoromethyl]-3-pyridinyl]carbonyl]-glycine207502-65-6C9H7F3N2O3
2-(7-Hydroxy-4a,6a,8-trimethyl-2-oxo-2,4a,5a,6,6a,7,8,9,9a,9b,10,11-dodecahydrocyclopenta[1,2]phenanthro[4,4a-b]oxiren-7-yl)-2-oxoethyl propionate (Beclomethasone Dipropionate Impurity)?????9,11-????????????205105-83-5C25H32O6
7-Benzofuranmethanol7-???????????209256-55-3C9H8O2
4-Chloro-N-(4-fluorophenyl)-5,6-dimethylpyrimidin-2-amine4-???-5,6-???-2-(4-?????????)????199463-20-2C12H11ClFN3
1-Phenylpiperidine-4-carboxylic acid hydrochloride1-??????-4-????????209005-67-4C12H16ClNO2
Pregabalin Impurity 4 HCl1955498-14-2C10H22ClNO2
2,2',3,3'-Tetrahydro-2,2'-bibenzo[d]thiazole2,2'-????????19258-20-9C14H12N2S2
Bis(2-hydroxyethyl)dithiocarbamic acid zinc(II) saltBIS(2-HYDROXYETHYL)??????????19163-92-9C10H24N2O4S4Zn
Ethyl (1S,2R)-2-Aminocyclopentanecarboxylate??????????,2-???-,??????,(1S-cis)-(9CI)197904-11-3C8H15NO2
1-Pentylimidazole1-??????19768-54-8C8H14N2
Ethyl (S)-3-(2-(dimethylamino)ethyl)-5-((2-oxooxazolidin-4-yl)methyl)-1H-indole-2-carboxylate??????????D(20mg)((S)-??3-[2-(??????)??]-5-[(2-???????-4-?)??]-1H-??-2-???????)191864-24-1C19H25N3O4
Propargyl-PEG9-OH2055022-35-8C21H40O10
Propargyl-O-(PEG)n-bromide2055105-25-2(C2H4O)nC5H7BrO
1-(Pyridin-2-yl)piperidin-4-ol1-(???-2-?)????-4-?199117-78-7C10H14N2O
Fmoc-N-Me-Ala(3-pyridyl)-OH1979173-93-7C24H22N2O4
1-(Sec-butyl)-2-nitrobenzene1-SEC-??-2-?????19370-34-4C10H13NO2
(4-Chlorophenyl)(morpholino)methanone(4-?????)(?????)???19202-04-1C11H12ClNO2
1-ethylguanidine hydrochloride19341-54-9C3H10ClN3
4,6-dichloro-7-methoxyquinazoline (Gefitinib Impurity）4,6-????-7-???????205584-69-6C9H6Cl2N2O
2',2,2-Trimethylpropiophenone2′,2,2-??????????2041-37-4C12H16O
5-(4-Hydroxyphenyl)pyrrolidin-2-one207989-87-5C10H11NO2
3-Hydroxy-2,6-bis(hydroxymethyl)-4H-pyran-4-one3-?????-2,6-BIS(???????)-4-??2029-49-4C7H8O5
Pazopanib Impurity 92095544-42-4C42H43N13O4S2
tert-Butyl (5S)-5-amino-3,3-difluoropiperidine-1-carboxylate2055848-76-3C10H18F2N2O2
4-Nitrophenyl decanoate?????4-?????????1956-09-8C16H23NO4
Pomalidomide-C2-NH21957235-66-3C15H16N4O4
2-Ethoxy-5-sulfobenzoic acid2021224-02-0C9H10O6S
1-Amino-3-benzyloxy-4-oxo-1,4-dihydropyridine-2-carboxylic acid ethyl ester1985607-66-6C15H16N2O4
2-Fluoro-5-iodo-3-methylpyridine205245-17-6C6H5FIN
(R)-4-benzyl-5,5-diphenyloxazolidin-2-one(R)-(+)-5,5-???-4-??-2-??????191090-40-1C22H19NO2
tBPC1942-71-8C16H24O2
3-Aminobenzene-1,2-diol3-???-1,2-????20734-66-1C6H7NO2
(6-Aminohexyl)dimethylamine6-(??????)????1938-58-5C8H20N2
(3S)-1,3-Dibenzylpiperazine(S)-N4-??-2-??????204327-96-8C18H22N2
5-(5-(Ethoxycarbonyl)-4-methylthiazol-2-yl)-2-isobutoxybenzoic acid2095166-41-7C18H21NO5S
Tris(decyl) borate20236-81-1C30H63BO3
1-Methyl-3-indolyl-β-D-galactopyranoside207598-26-3C15H19NO6
4-(Furan-2-yl)pyrimidin-2-amine4-??-2-?-????-2-???206564-00-3C8H7N3O
2-(4-(2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)ethyl)piperazin-1-yl)acetic acid dihydrochloride4-[2-(FMOC-???)??]-1-??????????????????204320-65-0C23H28ClN3O4
2-(Piperidin-4-yl)acetonitrile2-(????-4-?)??????202002-66-2C7H12N2
O-acetyl-N-methylhydroxylamine hydrochlorideO-???-N-????????????19689-95-3C3H8ClNO2
9-(2-Bromophenyl)-9-phenyl-9H-fluorene1998216-26-4C25H17Br
PTAC (oxalate)201939-40-4C14H21N3O4S2
4,5,6,7-Tetrahydropyrazolo[1,5-a]pyrazine hydrochloride1946021-30-2C6H10ClN3
(4-(n-(Tert-butyl)sulfamoyl)phenyl)boronic acid208516-15-8C10H16BNO4S
3-(3,4-Dimethoxyphenyl)-1-(2-hydroxyphenyl)prop-2-en-1-one19152-36-4C17H16O4
2,9-Dimethyldec-5-yne2,9-???-5-??19550-56-2C12H22
2-Methylnaphtho[2,3-d]oxazole2-?????[2,3-D]???20686-66-2C12H9NO
3-Cyanopropylphenyldimethoxysilane204760-82-7C12H17NO2Si
4-(2-Fluorobenzyl)piperidine hydrochloride4-(2-??????)????HCl193357-26-5C12H17ClFN
tert-Butyl 3-(piperazin-1-yl)azetidine-1-carboxylate dihydrochloride2061980-49-0C12H24ClN3O2
Boc-NH-PEG7-azide206265-96-5C21H42N4O9
Tetrakis(dimethylsilyl)silane?????(?????)??2003-85-2C8H28Si5
2-(2,4-Bis(trifluoromethyl)phenyl)acetonitrile2,4-??(????????)????????201789-28-8C10H5F6N
4-Chloro-2-methylbutan-2-ol4-???-2-??-2-???1985-88-2C5H11ClO
1-(2-Fluoro-5-(trifluoromethyl)phenyl)propan-1-one2'-FLUORO-5'-(TRIFLUOROMETHYL)??????207974-18-3C10H8F4O
Diethyl iminodicarboxylate????????????19617-44-8C6H11NO4
(5-Bromopyridin-2-yl)(phenyl)methanone(5-???-???-2-?)-??-???206357-52-0C12H8BrNO
4-[(3-Fluorobenzyl)oxy]aniline4-(3-FLUORO-BENZYLOXY)-????202197-25-9C13H12FNO
2-((tert-Butoxycarbonyl)amino)cyclopentanecarboxylic acidBoc-2-a????????????192385-99-2C11H19NO4
(R)-2-(((9H-fluoren-9-yl)methoxy)carbonyl)-1,2,3,4-tetrahydroisoquinoline-1-carboxylic acid204317-98-6C25H21NO4
Ethyl 4-chloro-7-(phenylsulfonyl)-7H-pyrrolo[2,3-d]pyrimidine-6-carboxylate1987286-78-1C15H12ClN3O4S
(E)-3-(2,3-Dichlorophenyl)acrylic acid20595-44-2C9H6Cl2O2
5-(2-Fluorophenyl)-N-methyl-1-(pyridin-3-ylsulfonyl)-1H-pyrrole-3-carboxamide2054536-04-6C17H14FN3O3S
IDPC / IDT-IC / IDTI2095504-33-7C90H82N4O2S2
2-(Naphthalen-2-yl)ethan-1-amine hydrochloride2017-67-6C12H13N*ClH
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