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Shanghai Haohong Scientific Co., Ltd.??? ?? ??? ?????.
?? ?:
Shanghai Haohong Scientific Co., Ltd.
??:
400-400-8210725
???:
malulu@leyan.com
??:
China
URL:
https://www.leyan.com/
? ?? ?:
39990
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?? ????
(4S,4aS,5aS,6S,12aS)-2-Acetyl-4-(dimethylamino)-3,6,10,12,12a-pentahydroxy-6-methyl-4a,5,5a,6-tetrahydrotetracene-1,11(4H,12aH)-dione (Oxytetracycline Impurity)
2-???-2-?????????????????
6542-44-5
C23H25NO8
1,4-Bis(4-(4-chlorophenyl)-4-hydroxypiperidin-1-yl)-2,2-diphenylbutan-1-one (Loperamide Impurity)
1426322-82-8
C38H40Cl2N2O3
1,3-Bis(6-benzoyl-1H-benzo[d]imidazol-2-yl)urea (Mebendazole Impurity)
???????G
129165-82-8
C29H20N6O3
4-Cyanobenzohydrazide hydrochloride
1865223-60-4
C8H8ClN3O
(2S,3S,5S,8R,9S,10S,13S,14S)-10,13-Dimethyl-17-oxo-2-(piperidin-1-yl)hexadecahydro-1H-cyclopenta[a]phenanthren-3-yl acetate (Vecuronium Bromide Impurity)
18668-29-6
C26H41NO3
(S)-2-Hydrazinyl-3-(3-hydroxy-4-methoxyphenyl)-2-methylpropanoic acid (Carbidopa Impurity)
1361017-74-4
C11H16N2O4
(2S,3R,4R,5R)-4-fluoro-2,3,5,6-tetrahydroxyhexanal
4-DEOXY-4-FLUORO-D-???
87764-47-4
C6H11FO5
3,3',5-Tri-tert-Butyl-5'-chloro-[1,1'-bi(cyclohexylidene)]-2,2',5,5'-tetraene-4,4'-dione
42933-96-0
C24H31ClO2
4,5-Dimethyl-1,3,2-dioxathiolane 2-oxide
4,5-???-1,3,2-??????2-????
4440-90-8
C4H8O3S
(2R,3R,4S,5R,6S)-2-(acetoxymethyl)-6-(2-chloro-4-nitrophenoxy)tetrahydro-2H-pyran-3,4,5-triyl triacetate
35023-71-3
C20H22ClNO12
(2S,3R,4S,5R)-2-(((3R,4S,5R,6S)-4,5-diacetoxy-6-(2-nitrophenoxy)tetrahydro-2H-pyran-3-yl)oxy)tetrahydro-2H-pyran-3,4,5-triyl triacetate
2-?????2,2',3,3',4'-??-O-???-bD-????????
162088-92-8
C26H31NO16
Chromane-2,3-dione
3-????????-2-?
5818-89-3
C9H6O3
2,5-Diethylthiophene
5069-23-8
C8H12S
(2R,3R)-2-Ethyl-4-hydroxy-3-((1-methyl-1H-imidazol-5-yl)methyl)butanoic acid, sodium salt (Pilocarpine Impurity)
???????????
101769-87-3
C11H19N2NaO3
2-Methoxy-2-oxoacetic acid
??????,????????
600-23-7
C3H4O4
4-(Adamantan-1-yl)phenyl trifluoromethanesulfonate
263398-16-9
C17H19F3O3S
N-Ethyl-3-phenylpropan-1-amine hydrochloride (Alverine Impurity)
13125-63-8
C11H18ClN
2-Nitrobenzene-1,4-diamine sulfate
2-????-p-???????????
68239-83-8
C6H9N3O6S
Heptyl heptanoate
?? ???
624-09-9
C14H28O2
N4-Methyl-2’-O-methyl-cytidine
N(4),O(2')-??????
13048-95-8
C11H17N3O5
9-Butyl-3-oxa-9-azatricyclo[3.3.1.02,4]nonan-7-yl 3-hydroxy-2-phenylpropanoate hydrochloride (Hyoscine Butylbromide Impurity)
N-???????????
22235-98-9
C20H28ClNO4
5-Chloroquinolin-2(1h)-one
5-???-2-???
23981-22-8
C9H6ClNO
1-Methyl-2-phenyl-4-(trifluoromethyl)-1h-imidazole
1-??-2-??-4-(????????)-1H-????
63875-06-9
C11H9F3N2
(R)-2-(4-((4-Chlorophenyl)(phenyl)methyl)piperazin-1-yl)acetic acid (Levocetirizine Impurity)
942193-17-1
C19H21ClN2O2
N-((2R,3R,4R,5S,6R)-4,5-dihydroxy-6-(hydroxymethyl)-2-(pentyloxy)tetrahydro-2H-pyran-3-yl)acetamide
AMYL2-ACETAMIDO-2-DEOXY-??-D-????????
94483-64-4
C13H25NO6
Phenyl(pyridin-4-yl)methanone hydrochloride
72034-25-4
C12H16ClNO
2,2,5,7,8-Pentamethylchromane
2,2,5,7,8-???????
55646-01-0
C14H20O
(4-Fluorophenyl)trimethoxysilane
P-?????????????
53883-61-7
C9H13FO3Si
(R)-Isopropyl 1-(1-phenylethyl)-1H-imidazole-5-carboxylate hydrochloride (Etomidate Impurity)
66512-39-8
C15H19ClN2O2
N-Boc-Biotinylethylenediamine
N-BOC-???????????
225797-46-6
C17H30N4O4S
(s)-3-Methylheptanoic acid
(S)-3-??????
59614-85-6
C8H16O2
Methyl (3aR,3a1R,4R,5S,5aR,10bR)-3a-ethyl-9-((3R,5S,7R,9S)-5-ethyl-5-hydroxy-9-(methoxycarbonyl)-1,4,5,6,7,8,9,10-octahydro-2H-3,7-methano[1]azacycloundecino[5,4-b]indol-9-yl)-6-formyl-4,5-dihydroxy-8-methoxy-3a,3a1,4,5,5a,6,11,12-octahydro-1H-indolizino[8,1-cd]carbazole-5-carboxylate (Vincristine Impurity)
4-??????????
3704-01-6
C44H54N4O9
(2r,3r,4s,5r,6s)-3,4,5-Tris(benzyloxy)-2-((benzyloxy)methyl)-6-(phenylthio)tetrahydro-2h-pyran
.??.-D-?????????,??2,3,4,6-?????-O-(????)-1-??-
38184-10-0
C40H40O5S
(2R,3S,4S,5R,6S)-2-(acetoxymethyl)-6-(2-nitrophenoxy)tetrahydro-2H-pyran-3,4,5-triyl triacetate
2-?????2,3,4,6-???-O-???-bD-?????????
3053-17-6
C20H23NO12
(2R,3R,4S,5S,6R)-2-(4-nitrophenoxy)-6-((trityloxy)methyl)tetrahydro-2H-pyran-3,4,5-triol
655246-35-8
C31H29NO8
2,2'-Bi(adamantanylidene)
30541-56-1
C20H28
Methyl 5-((4-bromo-2-chlorophenyl)amino)-4-fluoro-1h-benzo[d]imidazole-6-carboxylate
606143-46-8
C15H10BrClFN3O2
2-(9,9-Dihexyl-9h-fluoren-2-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
264925-45-3
C31H45BO2
1-(Bromomethyl)-2-methyl-4-nitrobenzene
1-(?????)-2-??-4-?????
22162-14-7
C8H8BrNO2
1-Ethylpyridin-1-ium bis((trifluoromethyl)sulfonyl)amide
712354-97-7
C9H10F6N2O4S2
(6R,7R)-3-(((5-Methyl-1,3,4-thiadiazol-2-yl)thio)methyl)-8-oxo-7-pivalamido-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid (Cefazolin Impurity)
2384108-14-7
C16H20N4O4S3
n,n'-(Butane-1,4-diyl)dibenzamide
31991-78-3
C18H20N2O2
4-Nitrophenyl 2-(acetylamino)-2-deoxy-4-O-β-D-galactopyranosyl-β-D-glucopyranoside
74211-28-2
C20H28N2O13
(r)-Cyclopropyl(4-fluorophenyl)methanamine
??????,??-???????-4-????-,(alphaR)-(9CI)
473732-87-5
C10H12FN
[1,1':4',1''-Terphenyl]-4,4''-diol
[1,1′:4′,1"-????]-4,4"-??
4084-45-1
C18H14O2
Nonyltriphenylphosphonium bromide
(1-??)?????????????
60902-45-6
C27H34BrP
(1E,4E)-terephthalaldehyde dioxime
1,4-??????????????
18705-39-0
C8H8N2O2
5-(4-Hydroxybenzylidene)-2,2-dimethyl-1,3-dioxane-4,6-dione
???,(p-????????)-,??????????????
17474-27-0
C13H12O5
3-Methyleneisobenzofuran-1(3h)-one
3-?????????-1(3H)-?
3453-63-2
C9H6O2
4-(2-(Dimethylamino)ethoxy)benzoic acid hydrochloride
4-(2-(??????)???)??????
27237-49-6
C11H16ClNO3
Ethyl-2-(2-(4-methoxyphenyl)hydrazono)propanoate
4792-57-8
C12H16N2O3
3-Bromo-4-methyl-5-nitroaniline
5-???1-???-2-??-3-?????
62827-39-8
C7H7BrN2O2
1-(2-(4-Bromophenoxy)ethyl)piperidine hydrochloride
N-(2-(4-??????)??)???????
399016-75-2
C13H19BrClNO
4-(2-(tert-Butylamino)-1-hydroxyethyl)phenol hydrochloride (Salbutamol Impurity)
112337-52-7
C13H21NO3
Cyclohexanamine (2r,3s,4s,5r,6s)-3,4,5-trihydroxy-6-((4-methyl-2-oxo-2h-chromen-7-yl)oxy)tetrahydro-2h-pyran-2-carboxylate
66895-33-8
C22H29NO9
((2R,3R,4S,5R,6R)-5-(benzoyloxy)-3,4-dihydroxy-6-(4-nitrophenoxy)tetrahydro-2H-pyran-2-yl)methyl benzoate
4-?????2,6-?-O-???-aD-????????
135216-30-7
C26H23NO10
(s)-3,4-Diamino-4-oxobutanoic acid
?????
28057-52-5
C4H8N2O3
1h-Imidazol-1-amine
51741-29-8
C3H5N3
Methyl 4-(3-(dibutylamino)propoxy)benzoate
??4-(3-(??????)????)?????
437651-42-8
C19H31NO3
4-(6-Methoxynaphthalen-2-yl)butan-2-ol
4-(2-???????-6-?)??-2-?
65726-24-1
C15H18O2
2,4-Dichloro-9,9-dimethyl-9H-fluorene
1799918-67-4
C15H12Cl2
Methyl (s)-1,2,3,4-tetrahydroquinoline-2-carboxylate
(S)-1,2,3,4-???????-???-2-??????????
63492-82-0
C11H13NO2
N-(3-(4-Ethyl-1H-imidazol-1-yl)-5-(trifluoromethyl)phenyl)-4-methyl-3-((4-(pyridin-3-yl)pyrimidin-2-yl)amino)benzamide (Nilotinib Impurity)
2119583-24-1
C29H24F3N7O
1h-Isochromen-1-one
1H-2-????-1-?
491-31-6
C9H6O2
Cyclohexyl benzoate
??????????
2412-73-9
C13H16O2
2-Amino-5-fluorobenzenethiol
2-???-5-????????
33264-82-3
C6H6FNS
Diethyl 1-amino-3-methyl-1h-pyrrole-2,4-dicarboxylate
???1-???-3-??-1H-??-2,4-???????
427878-69-1
C11H16N2O4
4-Chloro-2-(chloromethyl)pyrimidine
4-???-2-(?????)????
3842-28-2
C5H4Cl2N2
2-Butylbenzofuran-5-amine hydrochloride
2-??-????-5-??????
526196-90-7
C12H16ClNO
4,4'-(Adamantane-1,3-diyl)dianiline
1,3-??(4-?????)????
58788-79-7
C22H26N2
1-Ethylpyridin-1-ium hexafluorophosphate(V)
1-???????????????
103173-73-5
C7H10F6NP
Methyl 7-chloro-6,7,8-trideoxy-6-[[[(2S)-1-methyl-4-propylidene-2-pyrrolidinyl]carbonyl]amino]-1-thio-L-threo-α-D-galacto-octopyranoside (Clindamycin Hydrochloride Impurity)
1440605-51-5
C18H31ClN2O5S
(2R,3R,4S,5R,6S)-2-(acetoxymethyl)-6-chlorotetrahydro-2H-pyran-3,4,5-triyl triacetate
2,3,4,6-???-O-???-??-D-??????????
4451-36-9
C14H19ClO9
(2s,3r,4s,5r,6r)-2-(((2r,3s,4R,5r,6r)-4,5-Dihydroxy-2-(hydroxymethyl)-6-methoxytetrahydro-2h-pyran-3-yl)oxy)-6-(hydroxymethyl)tetrahydro-2h-pyran-3,4,5-triol
7216-69-5
C13H24O11
3,3-Bis(4-hydroxy-3-methylphenyl)indolin-2-one
47465-97-4
C22H19NO3
2-Amino-9-((6ar,8r,9r,9as)-9-hydroxy-2,2,4,4-tetraisopropyltetrahydro-6h-furo[3,2-f][1,3,5,2,4]trioxadisilocin-8-yl)-1,9-dihydro-6h-purin-6-one
3',5'-O-(1,1,3,3-????????-1,3-??????)????
69304-44-5
C22H39N5O6Si2
4-((4-(Aminomethyl)cyclohexanecarboxamido)methyl)cyclohexanecarboxylic acid (Tranexamic Acid Impurity)
82755-59-7
C16H28N2O3
2,5-Bis(decyloxy)terephthalohydrazide
694472-71-4
C28H50N4O4
n-Isopropylbenzamide
?????,N-(1-????)-(9CI)
5440-69-7
C10H13NO
(2S,3R,4S,5S,6R)-2-(((2R,3S,4R,5R,6S)-6-(4-aminophenoxy)-4,5-dihydroxy-2-(hydroxymethyl)tetrahydro-2H-pyran-3-yl)oxy)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol
42935-24-0
C18H27NO11
(2R,3S,4R,5R,6R)-5-acetamido-2-(acetoxymethyl)-6-(4-nitrophenoxy)tetrahydro-2H-pyran-3,4-diyl diacetate
4-?????2-??????-3,4,6-??-O-???-2-???-aD-????????
13089-23-1
C20H24N2O11
(2R,3S,4S,5R,6R)-2-(hydroxymethyl)-6-(((2R,3S,4S,5R,6S)-3,4,5-trihydroxy-6-(4-nitrophenoxy)tetrahydro-2H-pyran-2-yl)methoxy)tetrahydro-2H-pyran-3,4,5-triol
4-?????2-O-(bD-???????)-bD-?????????
16790-33-3
C18H25NO13
(3aR,5R,6S,6aR)-5-((R)-2,2-dimethyl-1,3-dioxolan-4-yl)-6-methoxy-2,2-dimethyltetrahydrofuro[2,3-d][1,3]dioxole
43138-64-3
C13H22O6
(6-Chloropyridin-3-yl)(piperidin-1-yl)methanone
2-???-5-(????-1-?????)???
64614-48-8
C11H13ClN2O
(Z)-2,2-dimethylhex-3-ene
CIS-2,2-???-3-??
690-92-6
C8H16
(3R,5R)-3,5-Dihydroxy-7-((1S,2S,6S,8S,8aR)-6-hydroxy-8-(((2S,3S)-3-hydroxy-2-methylbutanoyl)oxy)-2-methyl-1,2,6,7,8,8a-hexahydronaphthalen-1-yl)heptanoic acid, sodium salt (Pravastatin Impurity)
(S)-3”-???????????????
722504-45-2
C23H35NaO8
5-Chloro-2-(chloromethyl)benzo[d]oxazole
5-???-2-(?????)-1,3-????
63842-22-8
C8H5Cl2NO
(s)-2-Amino-3-(4-sulfophenyl)propanoic acid
4-???-L-?????
34023-49-9
C9H11NO5S
(3-Methylisoxazol-5-yl)methyl acetate
5-???????,3-??-,?????(????)(9CI)
43214-88-6
C7H9NO3
1,3,6,8-Tetrabromopyrene-4,5,9,10-tetraone
2379290-24-9
C16H2Br4O4
5-Isopropyl-2,3-dimethylpyrazine
2,3-???-5-????????
40790-21-4
C9H14N2
n2,n2-Dimethylpyridine-2,5-diamine dihydrochloride
5-???-2-??????????,??????????
26878-31-9
C7H13Cl2N3
2-Chloroethyl 3-oxobutanoate
3-??????2-?????????
54527-68-3
C6H9ClO3
N1-Methyl-N2-(pyridin-2-yl)oxalamide (Tenoxicam Impurity)
52781-01-8
C8H9N3O2
Chloromethyl dodecanoate
????????????
61413-67-0
C13H25ClO2
Ethyl (e)-3-(3,5-dimethoxyphenyl)acrylate
3,5-??????????????
29584-64-3
C13H16O4
(3S,4R,5R)-4-fluoro-5-(hydroxymethyl)tetrahydrofuran-2,3-diol
14537-01-0
C5H9FO4
1-(Bromomethyl)-4-chloro-2-iodobenzene
343929-11-3
C7H5BrClI
2-((4,5-Dihydroxy-6-(2-nitrophenoxy)tetrahydro-2H-pyran-3-yl)oxy)tetrahydro-2H-pyran-3,4,5-triol
157956-98-4
C16H21NO11
Methyl 3-acetamidopropanoate
AC-??-??-OME
31295-20-2
C6H11NO3
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