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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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(4aR,4bS,6aS,7S,9aS,9bS,11aR)-Methyl 4a,6a-dimethyl-2-oxo-2,4a,4b,5,6,6a,7,8,9,9a,9b,10,11,11a-tetradecahydro-1H-indeno[5,4-f]quinoline-7-carboxylate (Dutasteride Impurity)		103335-41-7	C20H29NO3
2,5-Dibromo-1,3-thiazole-4-carboxylic acid	2,5-????-???-4-?????	943735-44-2	C4HBr2NO2S
Tetrahydro-2H-pyran-4-amine acetate		1005498-91-8	C7H15NO3
6-Chloropyrazolo[1,5-a]pyridine-2-carboxylic acid	6-???H-????[1,5-a]???-2-?????	876379-75-8	C8H5ClN2O2
Methyl 4-hydroxy-2h-thieno[2,3-e][1,2]thiazine-3-carboxylate 1,1-dioxide		98827-44-2	C8H7NO5S2
1-(tert-Butoxycarbonyl)-4-phenylpyrrolidine-3-carboxylic acid	4-??-1,3-??????????1-(tert-??)????	939757-89-8	C16H21NO4
Quinaprilat	QUINAPRILAT??????	82768-85-2	C23H26N2O5
Axitinib Impurity	2-(1H-???-6-???)-N-??-????	944835-85-2	C15H13N3OS
6-Methylheptanoic acid	6-??????	929-10-2	C8H16O2
Trimethyl(1,2,3,4,5-pentamethylcyclopenta-2,4-dien-1-yl)silane	(????????????-1-?)??????	87778-95-8	C13H24Si
2-Allylcyclohexanone	2-?????????	94-66-6	C9H14O
(3-(Cyclopentylcarbamoyl)phenyl)boronic acid	3-(????????????)?????	850567-24-7	C12H16BNO3
1,2,3,3a,4,8b-Hexahydrocyclopent[b]indole	1,2,3,3A,4,8B-????????????[B]??	80278-94-0	C11H13N
2,3-Dichloro-4-(trifluoromethyl)pyridine	2,3-????-4-(????????)???	89719-93-7	C6H2Cl2F3N
2-Bromo-7-tert-butyl-pyrene	2-???-7-tert-????	78751-80-1	C20H17Br
Methyl 5-benzoyl-2,3-dihydro-1H-pyrrolizine-1-carboxylate (Ketorolac Impurity)		80965-09-9	C16H15NO3
1-(2,6,6-trimethylcyclohex-2-en-1-yl)hepta-1,6-dien-3-one		79-78-7	C16H24O
5-Methylenedihydrofuran-2(3H)-one		10008-73-8	C5H6O2
1,2-Bis((2S,5S)-2,5-diphenylphospholan-1-yl)ethane	(+)-1,2-BIS((2S,5S)-2,5-????????)???	824395-67-7	C34H36P2
2,4-Dichloro-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidine	2,4-????-5,6,7,8-?????????[3,4-d]????HCl?	1000578-08-4	C7H7Cl2N3
5-Chloropyridine-2-sulfonyl chloride	5-???-???-2-????????	885277-08-7	C5H3Cl2NO2S
N-((6-((Di-tert-butylphosphino)methyl)pyridin-2-yl)methyl)-N-ethylethanamine		863971-66-8	C19H35N2P
1-Benzyl-3-bromopyrrolidin-2-one	1-??-3-???????-2-?	77868-84-9	C11H12BrNO
3-Bromo-6,7-dihydro-5H-pyrrolo[3,4-b]pyridine	3-BroMo-6,7-????-5H-???[3,4-b]??????	905273-36-1	C7H7BrN2
Ethyl 3-((furan-2-ylmethyl)thio)propanoate	??3-(?????)???????	94278-27-0	C10H14O3S
(3S)-Piperidin-3-amine	(S)-3-???????	80918-66-7	C5H12N2
6-Fluoro-1H-indazole-3-carbonitrile	6-????-1H-???-3-?????	885278-33-1	C8H4FN3
2,2',3,3',4',5,5',6,6'-Nonafluoro-[1,1'-biphenyl]-4-amine	4-???????????	969-25-5	C12H2F9N
1,1-Dimethylethyl N-(7-aminoheptyl)carbamate	1-BOC-1,7-???????	99733-18-3	C12H26N2O2
5,6,7,8-Tetrahydro-1,6-naphthyridin-3-ol	5,6,7,8-???????-1,6-?????-3-OL	785774-74-5	C8H10N2O
Ciprofloxacin Ep Impurity C; Enrofloxacin Ep Impurity G	???????????	103222-12-4	C15H16FN3O3
(4-Chloropyridin-2-yl)boronic acid	6-??????-2-??	870459-91-9	C5H5BClNO2
4-Methyl-6-(piperidin-1-yl)pyrimidin-2-amine	2-???-4-?????-6-??????	91717-22-5	C10H16N4
4-Hexadecylaniline		79098-13-8	C22H39N
5-Acetyl Rhein	5-?????	875535-35-6	C17H10O7
3-(3-(Trifluoromethl)phenyl-N-(R)-1-(naphthalen-1-yl)ethyl)prop-2-en-1-amine	??????????4	955373-56-5	C22H20F3N
(4-Bromophenyl)(3-chloro-1H-indol-7-yl)methanone		91714-51-1	C15H9BrClNO
N-Methyl-1-(5-phenyl-1-(pyridin-3-ylsulfonyl)-1H-pyrrol-3-yl)methanamine (Vonoprazan Impurity）	????????1	881732-90-7	C17H17N3O2S
tert-Butyl (2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzyl)carbamate	2-BOC-?????-????????????	905300-76-7	C18H28BNO4
2-(3,5-Diiodo-4-oxo-1,4-dihydropyridin-1-yl)acetic acid	3,5-DIIODO-4-PYRIDONE-1-????	101-29-1	C7H5I2NO3
2-(2-Methyl-3-nitrophenyl)-N,N-dipropylacetamide	2-??-3-???-N,N-????????????	91374-22-0	C15H22N2O3
Bis(vinyloxy)methane	??(??? ??)	9003-33-2	C5H8O2
2,5-Dioxopyrrolidin-1-yl (((9h-fluoren-9-yl)methoxy)carbonyl)-l-tryptophanate		84771-20-0	C30H25N3O6
3H,5H-Pyrrolo[1,2-c]oxazol-5-one, tetrahydro-3-phenyl-, (3R,7aS)-		103201-79-2	C12H13NO2
(R)-3-Amino-3-(2,4-dichlorophenyl)propanoic acid	(R)-3-???-3-(2,4-????-??)-?????	778571-53-2	C9H9Cl2NO2
2,3-Dibromopyridine-4-carboxylic acid		1020056-98-7	C6H3Br2NO2
N4-Isobutylquinoline-3,4-diamine hydrochloride		935521-01-0	C13H18ClN3
6-Methylpiperidine-2-carboxylic acid	6-??-2-?????????	99571-58-1	C7H13NO2
2-(4-Biphenylyl)-5-phenyl-1,3,4-oxadiazole		852-38-0	C20H14N2O
D-Glucose pentaacetate		83-87-4	C16H22O11
Thiazol-5-ylmethyl ((2S,3S,5S)-3-hydroxy-5-((S)-4-isopropyl-2,5-dioxoimidazolidin-1-yl)-1,6-diphenylhexan-2-yl)carbamate (Ritonavir Impurity)	Des(?????????)?????????	1010809-61-6	C29H34N4O5S
(1S,5R)-1-Phenyl-3-oxabicyclo[3.1.0]hexan-2-one		96847-53-9	C11H10O2
7-Ethyl-2-methylundecan-4-ol	7-ETHYL-2-METHYL-4-????	103-20-8	C14H30O
1,1-Dimethyl-3-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)urea		874290-93-4	C15H23BN2O3
tert-Butyl (2S,4R)-4-hydroxy-2-methylpiperidine-1-carboxylate		790667-91-3	C11H21NO3
N-Ethyl-4-bromobenzylamine	N-??-4-???????	856795-95-4	C9H12BrN
Dinonylsulfane	DI-N-?????	929-98-6	C18H38S
O-Acetyl-N-(tert-butyl)hydroxylamine hydrochloride	O-???-N-tert-???????????	851074-40-3	C6H14ClNO2
1-(3-Bromopropyl)pyrrole	1-(3-????????)??	100779-91-7	C7H10BrN
Tris(2,4,6-trimethoxyphenyl)phosphine	???(2,4,6-???????)???	91608-15-0	C27H33O9P
Hexyl 3-methylbutanoate		10032-13-0	C11H22O2
3-Amino-4-methylbenzyl alcohol		81863-45-8	C8H11NO
3-((((4-amino-2-methylpyrimidin-5-yl)methyl)carbamothioyl)thio)-4-oxopentyl acetate		89285-03-0	C14H20N4O3S2
Decafluorobenzophenone	??????????	853-39-4	C13F10O
Imidazo[1,2-a]pyrimidin-2-ylmethanamine	C-????[1,2-A]????-2-?-????	843609-02-9	C7H8N4
6-Bromo-7-fluoro-1H-indole	1H-??,6-broMo-7-????-	936901-94-9	C8H5BrFN
8-Ethyl Irinotecan (Irinotecan Impurity)	????????G	947687-02-7	C35H42N4O6
Methyl 4-bromo-7-methoxybenzo[d][1,3]dioxole-5-carboxylate	4-BROMO-7-METHOXY-BENZO[1,3]DIOXOLE-5-CARBOXYLICACID??????	81474-46-6	C10H9BrO5
2-(((5-(difluoromethoxy)-1H-benzo[d]imidazol-2-yl)thio)methyl)-3,4-dimethoxypyridine 1-oxide (Pantoprazole Impurity）		953787-51-4	C16H15F2N3O4S
1,2,3-Trimethyl-3H-benzo[e]indole	1,2,3-????-1H-??[e]??	881219-73-4	C15H15N
1-(2-(Methylsulfonyl)phenyl)piperazine dihydrochloride	1-(2-?????-??)-????????	916488-42-1	C11H18Cl2N2O2S
1-(3-Aminopyrrolidin-1-yl)ethanone	1-???-3-??????	833483-45-7	C6H12N2O
(3-Fluorooxetan-3-yl)methanol	(3-???????-3-?)???	865451-85-0	C4H7FO2
1-tert-Butyl 4-ethyl 4-cyanopiperidine-1,4-dicarboxylate	1-tert-??4-??4-???????-1,4-????????	1016258-66-4	C14H22N2O4
Methyl 2-(3-fluoro-4-methylphenyl)acetate	??2-(3-????-4-????)?????	787585-29-9	C10H11FO2
Bentranil		1022-46-4	C14H9NO2
(2,5-Difluorophenyl)(phenyl)methanone		85068-36-6	C13H8F2O
2,5-Bis(trifluoromethyl)phenol	2,5-??(????????)??	779-88-4	C8H4F6O
Calcium molybdenum oxide	?????? ??	7789-82-4	CaMoO4
1-Ethynyl-4-hexylbenzene	1-ETH-1-YNYL-4-????	79887-11-9	C14H18
(1R,3S)-Benazepril (hydrochloride)		86541-77-7	C24H28N2O5HCl
1-Benzyl-1H-imidazole-5-carbaldehyde	1-??-1H-????-5-?????????	85102-99-4	C11H10N2O
Decan-3-one	???(3-)	928-80-3	C10H20O
2-[(2R)-3-[[3-Fluoro-4-(4-morpholinyl)phenyl]amino]-2-hydroxypropyl]-1H-isoindole-1,3(2H)-dione	N-(3-?????-2-(R)-???????)-3-????-4-(?????)???	874340-08-6	C21H22FN3O4
2-Methoxystypandrone		85122-21-0	C14H12O5
Bis(2,2,2-trifluoroethyl) phosphonate	BIS(2,2,2-TRIFLUOROETHYL)???	92466-70-1	C4H5F6O3P
4-Dimethylaminopyridinium bromide perbromide	4-?????????????????????	92976-81-3	C7H11Br3N2
3-((2-Methyl-1H-imidazol-1-yl)methyl)-2,3-dihydro-1H-carbazol-4(9H)-one (Ondansetron Impurity)		99614-14-9	C17H17N3O
2-Chloro-3-(1-piperazinyl)pyrazine	2-???-3-(?????)???	85386-99-8	C8H11ClN4
3,4-Difluoro-α-oxobenzeneacetaldehyde	3,4-??????????????	79784-34-2	C8H4F2O2
Malonic Acid-d4	???-D2ACID-D2	813-56-9	C3D4O4
(S)-tert-Butyl 2-methylpiperazine-1-carboxylate hydrochloride		960283-58-3	C10H21ClN2O2
N-Methyl-4-methylbenzylamine Hydrochloride	N-??-4-?????????	874-74-8	C9H14ClN
2-[4-(Pyrimidin-2-yl)piperazin-1-yl]pyrimidine	2,2'-(1,4-??????)??-????	84746-24-7	C12H14N6
Kebuzone	???????	853-34-9	C19H18N2O3
Tris(2,3-dichloropropyl) phosphate	???????????????	78-43-3	C9H15Cl6O4P
Pyridazin-3-ylmethanamine		93319-65-4	C5H7N3
(2-(Morpholinomethyl)phenyl)methanol	[2-(???????)??]???	91271-63-5	C12H17NO2
Fmoc-Arg(Mts)-OH		88743-97-9	C30H34N4O6S
2-((3-Amino-4-methoxyphenyl)amino)ethanol	2-???-4-?????????????	83763-47-7	C9H14N2O2