ChemicalBook >?? ???? >??????????2

??????????2

??????????2 ??? ???

???(??):: Itraphylline impurities1;Itraphylline impurities866;Istradefylline Impurity 12;IstradefyllineImpurity2-Istradefylline);Istradefylline Impurity 2 ((Z)-Istradefylline);Istradefylline Impurity 1 ((Z)-Istradefylline);(Z)-8-(3,4-dimethoxystyryl)-1,3-diethyl-7-methyl-1H-purine-2,6(3H,7H)-dione;(Z)-8-(3,4-dimethoxystyryl)-1,3-diethyl-7-methyl-3,7-dihydro-1H-purine-2,6-dione;1H-Purine-2,6-dione, 8-[(1Z)-2-(3,4-dimethoxyphenyl)ethenyl]-1,3-diethyl-3,7-dihydro-7-methyl-;(Z)-8-(3,4-Dimethoxystyryl)-1,3-diethyl-7-methyl-1H-purine-2,6(3H,7H)-dione (Istradefylline Impurity)

?? ?? 24

??????????2 ??

????(GHS):

?? ?:

Warning

??·?? ??:

??	??·?? ??	?? ??	??	?? ?	?? ??	P- ??
H302	??? ???	?? ?? ?? - ??	?? 4	??		P264, P270, P301+P312, P330, P501

??????:

P280	????/???/???/?????? ?????.
P305+P351+P338	?? ??? ? ?? ?? ???? ????. ???? ?????? ?????. ?? ????.

???( 24)?? ??

???	??	???	??	?? ?	??
Standardpharm Co. Ltd.	86-714-3992388	overseasales1@yongstandards.com	United States	14332	58
China National Standard Pharmaceutical Corporation Limited	+8615391658522	overseasales@yongstandards.com	China	11922	58
Guangzhou CATO Research Chemicals Inc.	+86-020-81960175-617 +8615602392859	Intermediate@cato-chem.com	China	5763	58
Amadis Chemical Company Limited	571-89925085	sales@amadischem.com	China	131957	58
QUALITY CONTROL SOLUTIONS LTD.	0755-66853366; 13670046396	ORDERS@QCSRM.COM	China	24342	58
BOC Sciences	1-631-485-4226; 16314854226	info@bocsci.com	United States	14055	65
ChemStrong Scientific Co.,Ltd	0755-0755-66853366 13670046396	sales@chem-strong.com	China	18070	56
Nanjing XiZe Biotechnology CO., Ltd.	025-66023220 0086-15250997978	1511893459@qq.com	China	7892	55
BOC Sciences	16314854226	info@bocsci.com	United States	9923	65
Lynnchem	86-(0)29-85992781 17792393971	info@lynnchem.com	China	4587	58

Istradefylline Impurity 10 6-Aminouracil 3,4-Dimethoxycinnamic acid 3-(3,4-Dimethoxyphenyl)propenamide 4-DesMethyl Istradefylline 8-[(E)-2-(3,4-dimethoxyphenyl)ethenyl]-1,3-diethyl-7-methyl-purine-2,6 -dione Istradefylline Impurity 7 3-Desmethyl Istradefylline 1H-Purine-2,6-dione,8-[2-(3,4-dihydroxyphenyl)ethenyl]-1,3-diethyl-3,7-dihydro-7-methyl-, (E)-(9CI) Istradefylline Impurity 5 1,3-DIETHYL-5-NITROSO-6-AMINOURACIL 1,3-DIETHYL-6-AMINOURACIL Caffeic acid 1,3-DIETHYL-5,6-DIAMINOURACIL Istradefylline Dimer Impurity 1 Istradefylline Dimer 2 Istradefylline Impurity 6 Istradefylline Dimer Impurity 2