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Beijing Keyi Tongda Technology Development Co., Ltd??? ?? ??? ?????.

?? ?:Beijing Keyi Tongda Technology Development Co., Ltd
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???:kytd20@sina.com
??:China
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? ?? ?:1494
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1,4-Diethynylbenzene1,4-??????935-14-8C10H6
5-Fluoronicotinic acid402-66-4C6H4FNO2
DTFS90141-51-8C14H8F6S
Bicyclo[1.1.1]pentan-1-ylboronic acid2412765-14-9C5H9BO2
diethoxydivinylsilane?????????67892-60-8C8H16O2Si
2-Acetylbenzonitrile2-????????????91054-33-0C9H7NO
1,1,2,2-TETRAPHENYLETHANE1,1,2,2-???????632-50-8C26H22
Epothilone D189453-10-9C27H41NO5S
N,N-bis(4-bromophenyl)-2,4,6- trimethylaniline663943-27-9C21H19Br2N
3-Fluoro-2-formylpyridine31224-43-8C6H4FNO
2-Fluoro-5-formylbenzamide1236289-88-5C8H6FNO2
(2-HYDROXYPHENYL)ACETONE OXIMELacosaMide(??????)175481-26-2C13H18N2O3
Tris(4-((oxiran-2-yl)methoxy)Phenyl methaneTRIPHENYLOLMETHANE?????????66072-38-6C28H28O6
calix[8]arene???(8)??82452-93-5C56H48O8
8‐amino‐1,7‐naphthyridine‐3‐carboxylic acid1364933-80-1C15H23NO
Dequaliniumchloride?????????522-51-0C30H40Cl2N4
3-Chlorobenzofuro[3,2-b]benzofuran2749995-97-7C14H7ClO2
exo-3-Amino-9-methyl-9-azabicyclo[3,3,1]nonane??-3-???-9-??-9-???????[3,3,1]??76272-41-8C9H18N2
HEXAKIS(ETHYLAMINO)DISILANE(99.995%-SI)PURATREM532980-53-3C12H36N6Si2
2,3-DIFLUORO-4-BROMOBENZALDEHYDE644985-24-0C7H3BrF2O
2,2,2-TRIFLUOROETHYL-2-FLUOROACRYLATE2,2,2-????????-2-??????????74359-10-7C5H4F4O2
6-bromo-7-fluoro-2-methyl-1,5-naphthyridin-4-ol2074703-09-4C9H6BrFN2O
1-Methyl-4-(tributylstannyl)-1H-imidazoleN-??-4-(???????)????446285-73-0C16H32N2Sn
4-Chloro-2-(Methylsulfonyl)pyriMidine4-???-2-(?????)????97229-11-3C5H5ClN2O2S
Phenanthren-3-ol3-?????-????605-87-8C14H10O
21H,23H-Porphine,5,10,15,20-tetra-1H-pyrazol-4-yl-1849676-26-1C32H22N12
2,3-Dimethoxy-1,3-butadiene2,3-????-1,3-????3588-31-6C6H10O2
(S)-1-BOC-3-(2-AMINO-2-CARBOXY-ETHYL)PIPERIDINE1217514-76-5C13H24N2O4
tris(3-hydroxypropyl)phosphine???(3-????????)???4706-17-6C9H21O3P
4-Benzothiazolamine, 5-methoxy-1155117-15-9C8H8N2OS
5-Methylthiazolidine-2,4-dione5-???????-2,4-??3805-23-0C4H5NO2S
2-PYRIDAZIN-3-YLETHANAMINE2-????-3-?????114779-91-8C6H9N3
Dispiro[4,7-methanoisobenzofuran-5(3H)1312366-93-0C21H20O7
3-Bromo-1-methyl-1H-1,2,4-triazole3-???-1-??-1,2,4-????56616-91-2C3H4BrN3
1-bromo-3-tert-butyl-5-chlorobenzene1263377-20-3C10H12BrCl
1-Ethyl-6-hydroxy-4-methyl-2-oxo-1,2-dihydropyridine-3-carbonitrile28141-13-1C9H10N2O2
5-Pyrimidinylboronic acid109299-78-7C4H5BN2O2
5,5'-Thiodisalicylic Acid5,5'-???????1820-99-1C14H10O6S
4-(Tributylstannyl)pyridine124252-41-1C17H31NSn
tert-Butyl (5-oxopyrrolidin-3-yl)carbamatetert-??5-??????-3-???????1245648-84-3C9H16N2O3
2-bromo-4-(tert-butyl)pyridine2-???-4-(tert-??)???50488-34-1C9H12BrN
1-(4-cyanobenzyl)-3-methyl-1H-pyrazole-4-carboxylic acid1378626-99-3C13H11N3O2
2-(AZETIDIN-3-YL)PYRAZINE1236861-70-3C7H9N3
Prasugrel5,6,7,7a-??????????[3,2-c]???-2(4H)-??????????115473-15-9C7H10ClNOS
2,3-Difluoro-5-bromopyeidine5-???-2,3-DIFLUOROPYRIDINE89402-44-8C5H2BrF2N
3-Bromocyclohexene3-????????1521-51-3C6H9Br
Ethyl 5-amino-2-chloropyrimidine-4-carboxylate??5-αMino-2-???????-4-???????59950-50-4C7H8ClN3O2
1-Bromo-3-chloro-5-fluoro-4-nitrobenzene218797-71-8C6H2BrClFNO2
1H-Pyrazolo[3,4-b]pyridin-4-amine1H-????[3,4-B]???-4-??49834-62-0C6H6N4
2-Chloro-5,6,7,8-tetrahydro-1,6-naphthyridine hydrochloride2-CHLORO-5,6,7,8-TETRAHYDRO-1,6-????????766545-20-4C8H10Cl2N2
4-aminobicyclo[2.2.2]octane-1-carboxylic acid hydrochloride4-???????[2.2.2]??-1-????????854214-59-8C9H16ClNO2
Pyridazine-4-carboxylicacid4-??????????50681-25-9C5H4N2O2
Pyridazine289-80-5C4H4N2
1,8-Naphthyridin-2-amine1,8-?????-2-??15992-83-3C8H7N3
3-CARBAMYL-1-METHYLPYRIDINIUM CHLORIDE1005-24-9C7H9ClN2O
3,5-DIIODO-4-HYDROXYBENZALDEHYDE3,5-DIIODO-4-???????????1948-40-9C7H4I2O2
6-Methylpyrazin-2-amine2-???-6-?????5521-56-2C5H7N3
2-(2-Aminobenzoyl)benzoic acid1147-43-9C14H11NO3
Methylsulfamoyl Chloride?????????10438-96-7CH4ClNO2S
Propargyl 1H-imidazole-1-carboxylate1H-????-1-?????,2-????????(9CI)83395-38-4C7H6N2O2
2,3,4-Trimethylaniline2,3,4-???????1467-35-2C9H13N
4-(piperidin-4-yl)pyridine1,2,3,4,5,6-?????-[4,4']?????581-45-3C10H14N2
4-(1-PHENYLMETHANOYL)BENZOYL CHLORIDE4-(1-??????)????????39148-58-8C14H9ClO2
2-Thienyl disulfide6911-51-9C8H6S4
4，5-Dibromo-9-phenyl-9H-carbazole1802664-10-3C18H11Br2N
(1-Ethoxycyclopropoxy)trimethylsilane27374-25-0C8H18O2Si
3,5-dichloro-1,2,4-triazine3,5-????-1,2,4-????59631-75-3C3HCl2N3
N-Boc-2,6-Dimethyl-L-tyrosineL-???,N[(1,1-??????)????]-2,699953-00-1C16H23NO5
4-broMo-1-chloro-2-(4-(2-cyclopropoxyethoxy)benzyl)benzene1118567-45-5C18H18BrClO2
4-Bromo-5-chloro-9-phenyl-9H-carbazole2761302-28-5C18H11BrClN
3-AMINO-3-METHYL-BUTYRIC ACID ETHYL ESTER HCL3-???-3-??-??????????HCL85532-40-7C7H16ClNO2
(S)-2-((S)-2-oxo-4-propylpyrrolidin-1-yl)butanoic acid2165431-90-1C11H19NO3
Methyl 5-aminonicotinate36052-25-2C7H8N2O2
(S)-Pyrrolidine-3-carboxylic acid(3S)-3-?????????72580-53-1C5H9NO2
1H-Pyrrole-2-carboxaldehyde,3,5-dimethyl-4-nitro-(9CI)40236-20-2C7H8N2O3
2-Amino-4-pyridinecarboxylicacid13362-28-2C6H6N2O2
alpha,alpha'-Dibromo-p-xylene623-24-5C8H8Br2
(E,Z,Z)-trideca-2,4,7-trienal(E,Z,Z)-????-2,4,7-????13552-96-0C13H20O
4-(Trifluoromethyl)pyrimidine-5-carboxylic acid220880-12-6C6H3F3N2O2
(2-Aminophenyl)(2-chlorophenyl)methanone2-???-2'-???????2894-45-3C13H10ClNO
4-(((2-Ethylhexyl)oxy)carbonyl)benzoic acid1,4-????????,??(2-????)????(9CI)155603-50-2C16H22O4
7-Chloroindole7-?????53924-05-3C8H6ClN
4-HYDROXY-4'-NITROBIPHENYL4-HYDROXY-4'-??????3916-44-7C12H9NO3
2-Chloro-4,7-dibromobenzo[d]thiazole2-???-4,7-?????????898747-94-9C7H2Br2ClNS
NISTC40886354088-63-5C6H8N2
2,3-Naphthalenedicarbonitrile, 6-iodo-794521-81-6C12H5IN2
Thiophenium, tetrahydro-1-[4-(2-methoxyethoxy)-1-naphthalenyl]-, salt with 2,2,2-trifluoro-1-(sulfomethyl)-1-(trifluoromethyl)ethyl tricyclo[3.3.1.13,7]decane-1-carboxylate (1:1)1401430-32-7C32H38F6O7S2
Sulfonium, [4-[1-(difluorosulfomethyl)-2,2,2-trifluoroethoxy]phenyl]bis[4-(1,1-dimethylethyl)phenyl]-, inner salt1465790-38-8C29H31F5O4S2
4,6-Pteridinedione,2-amino-1,5,7,8-tetrahydro-(8CI,9CI)1131-35-7C6H7N5O2
1-(Cyclobutylmethyl)-1H-imidazole-4-carboxylic acid1439896-61-3C9H12N2O2
Lithium Bis(nonafluorobutanesulfonyl)imide????(1,1,2,2,3,3,4,4,4-NONAFLUORO-1-BUTANESULFONYL)???119229-99-1C8F18LiNO4S2
methyl (S)-2-(1-aminoethyl)thiazole-5-carboxylate2272619-84-6C7H10N2O2S
(R)-2-(1-aminoethyl)thiazole-5-carboxylic acid2272625-08-6C6H8N2O2S
2-Bromo-3,6-dihydroxybenzenecarbaldehyde??????,2-???-3,6-?????-(9CI)241127-72-0C7H5BrO3
8-NITRO-1,3,5-NAPHTHALENETRISULFONIC ACID8-???-1,3,5-?????????66620-35-7C10H7NO11S3
Dipyrazino[2,3-f:2',3'-h]quinoxaline-2,3,6,7,10,11-hexamine1398616-36-8C12H12N12
5-bromo-4-methyl-3-Pyridazinamine1638759-55-3C5H6BrN3
R-PYRROLIDINE-3-CARBOXYLIC ACIDR-????-3-?????68464-02-8C5H9NO2
2-(Bromomethyl)perfluoropropan-2-ol 97%2-(?????)?????????-2-OL503169-76-4C4H3BrF6O
Benzamide, N-[2-bromo-4-[1,2,2,2-tetrafluoro-1-(trifluoromethyl)ethyl]-6-(trifluoromethyl)phenyl]-2-fluoro-3-nitro-1207314-88-2C17H6BrF11N2O3
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