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3-(6,7-bis(2-methoxyethoxy)quinazolin-4-yl)-6,7-bis(2-methoxyethoxy)quinazolin-4(3H)-one

3-(6,7-bis(2-methoxyethoxy)quinazolin-4-yl)-6,7-bis(2-methoxyethoxy)quinazolin-4(3H)-one structure

CAS No.: 1809951-10-7

Chemical Name:: 3-(6,7-bis(2-methoxyethoxy)quinazolin-4-yl)-6,7-bis(2-methoxyethoxy)quinazolin-4(3H)-one

Synonyms: Erlotinib Impurity 88;erlotinib hydrochloride tablets;6,6',7,7'-tetrakis(2-methoxyethoxy)-4H-[3,4'-biquinazolin]-4-one;[3(4H),4'-Biquinazolin]-4-one, 6,6',7,7'-tetrakis(2-methoxyethoxy)-;6,6',7,7'-Tetrakis(2-methoxyethoxy)-4H-[3,4'-biquinazolin]-4-one (Erlotinib Impurity）;6,6',7,7'-Tetrakis(2-methoxyethoxy)-4H-[3,4'-biquinazolin]-4-one (Erlotinib Impurity）;3-(6,7-bis(2-methoxyethoxy)quinazolin-4-yl)-6,7-bis(2-methoxyethoxy)quinazolin-4(3H)-one

CBNumber:: CB74693591

Molecular Formula:: C28H34N4O9

Molecular Weight:: 570.59

MDL Number:

MOL File:: 1809951-10-7.mol

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3-(6,7-bis(2-methoxyethoxy)quinazolin-4-yl)-6,7-bis(2-methoxyethoxy)quinazolin-4(3H)-one Properties

Boiling point	723.9±70.0 °C(Predicted)
Density	1.29±0.1 g/cm3(Predicted)
pka	2.54±0.70(Predicted)

3-(6,7-bis(2-methoxyethoxy)quinazolin-4-yl)-6,7-bis(2-methoxyethoxy)quinazolin-4(3H)-one Chemical Properties,Uses,Production

Uses

6,6'',7,7''-Tetrakis(2-methoxyethoxy)-4H-[3,4''-biquinazolin]-4-one is an impurity of Erlotinib (E625000). Erlotinib is a selective epidermal growth factor receptor (EGFR)-tyrosine kinase inhibitor. An antineoplastic.

3-(6,7-bis(2-methoxyethoxy)quinazolin-4-yl)-6,7-bis(2-methoxyethoxy)quinazolin-4(3H)-one Preparation Products And Raw materials

Raw materials

Preparation Products

3-(6,7-bis(2-methoxyethoxy)quinazolin-4-yl)-6,7-bis(2-methoxyethoxy)quinazolin-4(3H)-one Suppliers

Global( 14)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
China National Standard Pharmaceutical Corporation Limited	+8615391658522	overseasales@yongstandards.com	China	11927	58
Shanghai Kewel Chemical Co., Ltd.	021-64609169 18901607656	greensnown@163.com	China	9911	50
Shanghai Changyan Chem & Tech Co., Ltd.	021-021-20242659 18930833303	order@changyanchem.com	China	5009	55
Hubei Xinyang Medical Technology Co., Ltd	15347293736 15347293736	2853117764@qq.com	China	8327	58
Hubei Ruinuo Pharmaceutical Technology Co., Ltd	13165688766	3008058303@qq.com	China	5000	58
Guangzhou Juntang Technology Co., Ltd	020-36607679 13502246435	sales@dmstandards.com	China	10951	58
QUALITY CONTROL SOLUTIONS LTD.	13670046396	ORDERS@QCSRM.COM	China	18865	58
Hunan Zengda Biological Technology Co., LTD	18711085600	1652923704@qq.com	China	4583	58
Shenzhen Roark Pharma-Tec Co., Ltd.	13128912434	2880126944@qq.com	China	2579	58
Scinova Biotech(Guangzhou) Co., Ltd.	13268215580	scinova_sales@163.com	China	7026	58

Supplier	Advantage
China National Standard Pharmaceutical Corporation Limited	58
Shanghai Kewel Chemical Co., Ltd.	50
Shanghai Changyan Chem & Tech Co., Ltd.	55
Hubei Xinyang Medical Technology Co., Ltd	58
Hubei Ruinuo Pharmaceutical Technology Co., Ltd	58
Guangzhou Juntang Technology Co., Ltd	58
QUALITY CONTROL SOLUTIONS LTD.	58
Hunan Zengda Biological Technology Co., LTD	58
Shenzhen Roark Pharma-Tec Co., Ltd.	58
Scinova Biotech(Guangzhou) Co., Ltd.	58

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3-(6,7-bis(2-methoxyethoxy)quinazolin-4-yl)-6,7-bis(2-methoxyethoxy)quinazolin-4(3H)-one Erlotinib Impurity 88 6,6',7,7'-tetrakis(2-methoxyethoxy)-4H-[3,4'-biquinazolin]-4-one erlotinib hydrochloride tablets [3(4H),4'-Biquinazolin]-4-one, 6,6',7,7'-tetrakis(2-methoxyethoxy)- 6,6',7,7'-Tetrakis(2-methoxyethoxy)-4H-[3,4'-biquinazolin]-4-one (Erlotinib Impurity） 6,6',7,7'-Tetrakis(2-methoxyethoxy)-4H-[3,4'-biquinazolin]-4-one (Erlotinib Impurity） 1809951-10-7