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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/
? ?? ?:
39988
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?? ????
(S)-1-((8S,9S,10R,13S,14S,17S)-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)ethyl acetate (Progesterone Impurity)
20α-????-4-????-3-?
5035-09-6
C23H34O3
4-ethylsulfonylbenzaldehyde
4-???????????
50899-03-1
C9H10O3S
(3As,6ar)-4-methoxytetrahydrofuro[3,4-b]furan-2(3h)-one
501921-30-8
C7H10O4
5-amino-3-chloropicolinonitrile
2-????????,5-???-3-???-
488713-31-1
C6H4ClN3
[4-(2-Oxo-imidazolidin-1-yl)-phenyl]-acetic acid
[4-(2-OXO-??????-1-YL)-??]-????
492445-92-8
C11H12N2O3
Tantalum(v)butoxide
51094-78-1
C20H45O5Ta
2-(3-(Isopropylamino)-1-phenylpropyl)-4-methylphenol (Tolterodine Impurity)
rac??????????
480432-14-2
C19H25NO
2-(Benzyloxy)-6-chloropyrazine
2-(????)-6-??????
4774-18-9
C11H9ClN2O
Pyridazin-4-ylmethanol
50901-43-4
C5H6N2O
(8R,9S,10R,13S,14S,17R)-13-Ethyl-17-ethynyl-17-hydroxy-8,9,10,11,12,13,14,15,16,17-decahydro-1H-cyclopenta[a]phenanthren-3(2H)-one (Levonorgestrel Impurity)
6,7-???????????
51087-61-7
C21H26O2
(R)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-aminopropanoic acid hydrochloride
FMoc-L-2,3-dia??????????
487027-89-4
C18H19ClN2O4
2H-Chromene-3-carbaldehyde
2H-??-3-??????
51593-69-2
C10H8O2
Dimethylmethoxy(3,3,3-trifluoropropyl)silane
??????(3,3,3-?????????)??
4852-13-5
C6H13F3OSi
1-(5-Aminoindolin-1-yl)ethan-1-one
1-???-5-???-2,3-?????-(1H)-??
4993-96-8
C10H12N2O
(5-Methyl-2-propoxyphenyl)boronic acid
5-??-2-?????????
480438-70-8
C10H15BO3
(R)-3-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(2-hydroxyphenyl)propanoic acid
FMOC-(R)-3-???-3-(2-?????-??)-?????
511272-34-7
C24H21NO5
trans-9-Octadecenol
506-42-3
C18H36O
Paclitaxel Impurity 48
502626-06-4
C46H55NO14
L-Lysinamide (dihydrochloride)
51127-08-3
C6H17Cl2N3O
Lumisterol
9-??,10-??-?????-5,7,22-???-3-???
474-69-1
C28H44O
4-(2-(Acryloyloxy)ethoxy)-4-oxobutanoic acid
2-(???????)?????????
50940-49-3
C9H12O6
1-Bromo-2-ethoxynaphthalene
1-???-2-???????
50389-70-3
C12H11BrO
(2s,3r,4s,5s,6r)-2-(((2r,3s,4R)-4-Hydroxy-2-(hydroxymethyl)-3,4-dihydro-2h-pyran-3-yl)oxy)-6-(hydroxymethyl)tetrahydro-2h-pyran-3,4,5-triol
????
490-51-7
C12H20O9
(S)-3-((Tert-butoxycarbonyl)amino)-3-(4-nitrophenyl)propanoic acid
499995-73-2
C14H18N2O6
Bis(3,4-diaminophenyl)methanone
3.3′.4.4′-??????????
5007-67-0
C13H14N4O
5β-Cholestane
??????
481-20-9
C27H48
(S)-3-Amino-4-(((S)-1-amino-1-oxo-3-phenylpropan-2-yl)amino)-4-oxobutanoic acid
5241-71-4
C13H17N3O4
But-2-yn-1-yl 4-methylbenzenesulfonate
56563-37-2
C11H12O3S
4-Amino-n-(2-hydroxyethyl)benzamide
4-???-N-(2-??????)?????
54472-45-6
C9H12N2O2
5-Methoxy-2-oxoindoline-3-carbaldehyde
5-???-2-?????-3-??????
52508-88-0
C10H9NO3
5-Chloro-1,3-dimethyl-1H-pyrazole
5-???-1,3-??????
54454-10-3
C5H7ClN2
((Benzyloxy)carbonyl)-l-valyl-l-proline
Z-?-??-?
53331-43-4
C18H24N2O5
9-Methyldecan-1-ol
9-????-1-?
55505-28-7
C11H24O
1,5-Dimethylpyrazole-3-carboxamide
1H-???-3-???????,1,5-???-(9CI)
54384-74-6
C6H9N3O
2-Methyl-6-(trimethylsilyl)phenyl trifluoromethanesulfonate
556812-44-3
C11H15F3O3SSi
2-(2,2-Diethoxyethyl)-1,3-propanediol
2-(2,2-??????)-1,3-?????
55387-85-4
C9H20O4
4-Methylumbelliferyl β-D-N,N′,N′′-triacetylchitotrioside
53643-13-3
C34H47N3O18
5,6-Dimethoxynicotinaldehyde
5,6-???????????
52605-99-9
C8H9NO3
γ-Carboxy-DL-glutamic acid
56271-99-9
C6H9NO6
Sodium 1,4-dihydroxybutane-1,4-disulfonate
1,4-??????-1,4-??????????
5450-96-4
C4H8Na2O8S2
16-Epiestriol
16-??????
547-81-9
C18H24O3
1,5-Dimercaptonaphthalene
1,5-?????????
5325-88-2
C10H8S2
2,5-Di([1,1'-biphenyl]-4-yl)thiophene
2,5-??(4-????)???
56316-86-0
C28H20S
4-(4-Methoxy-2,3,6-trimethylphenyl)but-3-en-2-one
54757-47-0
C14H18O2
8-Bromoinsine
55627-73-1
C10H11BrN4O5
3-Bromo-4-cyanobenzoic acid
58123-69-6
C8H4BrNO2
(R)-Benzyl (1-amino-1-oxo-3-phenylpropan-2-yl)carbamate
5241-56-5
C17H18N2O3
2-Amino-4,5-dimethylbenzenesulfonic acid
3,4-??????-6-???
56375-83-8
C8H11NO3S
(E)-4,4'-(ethene-1,2-diyl)dianiline dihydrochloride
4,4'-DIAMINOSTILBENXNUMX???
54760-75-7
C14H16Cl2N2
(3S,4R,5S)-3,4,5,6-Tetrahydroxy-2-oxohexanoic acid (Ascorbic Acid Impurity)
L-??-??-2-?????
526-98-7
C6H10O7
(2R,3S,4S,5R,6S)-2-(acetoxymethyl)-6-(ethylthio)tetrahydro-2H-pyran-3,4,5-triyl triacetate
55722-49-1
C16H24O9S
(4-Chlorophenyl)(piperidin-4-yl)methanone
4-(4-??????)????
53220-41-0
C12H14ClNO
(1R,3R)-3-(2,2-dibromovinyl)-2,2-dimethylcyclopropane-1-carboxylic acid
(1R-??)-3-(2,2-????????)-2,2-????????? ??? ?????
53179-78-5
C8H10Br2O2
2-Chloro-5-(trifluoromethyl)-1,3,4-thiadiazole
2-???-5-????????-1,3,4-?????
53645-98-0
C3ClF3N2S
4-Methoxy-2-(trimethylsilyl)phenyl trifluoromethanesulfonate
556812-41-0
C11H15F3O4SSi
9,9'-Diphenyl-9H,9'H-3,3'-bicarbazole
57102-62-2
C36H24N2
2-Morpholinoacetonitrile
???????????
5807-02-3
C6H10N2O
2-((6S,8S,9S,10R,11S,13S,14S,17R)-11,17-Dihydroxy-6,10,13-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoacetaldehyde (Methylprednisolone Impurity)
21-?????-6α-????????
58636-50-3
C22H28O5
N-(Aminoiminomethyl)-N'-(2-deoxy-D-erythro-pentofuranosyl)urea (Decitabine Impurity)
D-2'-?????????-3-??????(α/β-???)
570410-72-9
C7H14N4O4
1-Methyl-1,2,3,4-Tetrahydropyrido[3,4-b]indole-3-carboxylic acid
Harmane-1,2,3,4-TETRAHYDRO-3-?????
5470-37-1
C13H14N2O2
Decan-5-ol
5-???
5205-34-5
C10H22O
N-(Ethylcarbamoyl)-4-(m-tolylamino)pyridine-3-sulfonamide (Torasemide Impurity)
1-??-3-[[4-(m-?????)-3-???]???]???
58155-35-4
C15H18N4O3S
N-[(1,1-Dimethylethoxy)carbonyl]-α-methyl-L-phenylalanine
53940-88-8
C15H21NO4
(2-(Isopentyloxy)ethyl)benzene
????? ??? ???
56011-02-0
C13H20O
Hex-5-enyl(trimethoxy)silane
5-??????????
58751-56-7
C9H20O3Si
5-Ethylpyridin-2(1H)-one
53428-03-8
C7H9NO
Drotaveraldine
??????
54088-62-9
C24H29NO5
2-Chloro-1-(3-fluorophenyl)ethanone
???,2-???-1-(3-??????)-(9CI)
53688-18-9
C8H6ClFO
Carbamimidothioic acid, N-cyano-N'-methyl-, methyl ester
5848-24-8
C4H7N3S
7-Bromo-4-chloropyrido[3,2-d]pyrimidine
573675-31-7
C7H3BrClN3
3-(Pyrimidin-2-yl)benzoic acid
579476-26-9
C11H8N2O2
1-Benzyl-4-fluorobenzene
587-79-1
C13H11F
3,4-Difluorobenzoic acid, sodium salt
522651-44-1
C7H3F2NaO2
(6AR,9R,10aR)-7-methyl-4,6,6a,7,8,9,10,10a-octahydroindolo[4,3-fg]quinoline-9-carboxylic acid
6-??????-8??-????
5878-43-3
C16H18N2O2
2-(4-Methoxyphenyl)thiazole-4-carboxylic acid
2-(4-?????)-1,3-???-4-?????
57677-80-2
C11H9NO3S
N-Formyl-DL-alanine
5893-10-7
C4H7NO3
Bis[2-(N-succinimidyl-oxycarbonyloxy)ethyl] sulfon
57683-72-4
C14H16N2O12S
4-Nitrophenyl ((benzyloxy)carbonyl)-D-leucinate
52235-17-3
C20H22N2O6
6-Formyl-2,3-dimethoxybenzoic acid
6-??-2,3-???????
519-05-1
C10H10O5
(Z)-4-((carboxymethyl)amino)-4-oxobut-2-enoic acid
N-??????????
54930-24-4
C6H7NO5
5-(Dimethylamino)-2-(pyridin-2-yldiazenyl)phenol
2-(2-PYRIDYLAZO)-5-????????
50783-80-7
C13H14N4O
4,5-Bis(methylthio)-1,3-dithiole-2-thione
4,5-BIS(????)-1,3-???-2-??
49638-64-4
C5H6S5
(S)-3-(2-Bromophenyl)-3-((tert-butoxycarbonyl)amino)propanoic acid
500770-75-2
C14H18BrNO4
1-Bromo-4-nonylbenzene
1-???-4-N-????
51554-94-0
C15H23Br
Octadecylsuccinic anhydride
47458-32-2
C22H40O3
4-Fluorobenzofuran-7-carbaldehyde
7-????????????,4-????-(9CI)
555155-07-2
C9H5FO2
3-Acetoxypropyl Methyl dichlorosilane
5290-24-4
C6H12Cl2O2Si
4-Methoxy-2,6-dimethylbenzenesulfonyl chloride
4-???-2,6-?????????????
55661-08-0
C9H11ClO3S
Sodium1-ethoxy-1,3-dioxopropan-2-ide
?????3-?????????
58986-28-0
C5H7NaO3
Methyl 4-(1H-1,2,4-triazol-1-yl)benzoate
??4-[1,2,4]?????-1-?-?????
58419-67-3
C10H9N3O2
Methyltripropoxysilane
5581-66-8
C10H24O3Si
1,3,4,6-Tetra-O-acetyl-2-azido-2-deoxy-α-D-glucopyranose
56883-33-1
C14H19N3O9
(4AS,8aS)-2-benzoyl-1,3,4,4a,5,8a-hexahydroisoquinolin-6(2H)-one
52346-14-2
C16H17NO2
Diimidazo[1,5-a:1',5'-d]pyrazine-5,10-dione
53525-65-8
C8H4N4O2
2-Bromo-5-(trifluoromethyl)phenylhydrazine hydrochloride
2-???-5-(????????)??????????
529512-78-5
C7H7BrClF3N2
2-Hydroxy-5-nonylbenzaldehyde oxime
2-?????-5-??-????????
50849-47-3
C16H25NO2
1,3-Bis(4-nitrophenyl)urea
1,3-??(4-?????)???
587-90-6
C13H10N4O5
4-(Benzylideneamino)phenol
4-??????????
588-53-4
C13H11NO
Fmoc-(R)-3-Amino-3-(2-thienyl)-propionic acid
FMOC-(R)-3-AMINO-3-(2-???)-?????
511272-45-0
C22H19NO4S
NGX-267
503431-81-0
C10H18N2OS
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