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1356916-92-1

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1356916-92-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1356916-92-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,5,6,9,1 and 6 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1356916-92:
(9*1)+(8*3)+(7*5)+(6*6)+(5*9)+(4*1)+(3*6)+(2*9)+(1*2)=191
191 % 10 = 1
So 1356916-92-1 is a valid CAS Registry Number.

1356916-92-1Relevant articles and documents

Preparation method of Neratinib intermediate

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Paragraph 0037; 0051-0052; 0054-0055, (2017/11/29)

The invention relates to the field of chemical synthesis, and specifically relates to a preparation method of a Neratinib intermediate. A compound (I) is taken as the raw material, and through a series of reactions, the intermediate compound (VIII) of a novel antitumor drug Neratinib is obtained. A high efficient synthesis route is provided and has the characteristics of low cost, few byproducts, high yield, and little environmental pollution.

Synthesis of n-(3-cyano-7-ethoxy-1,4-dihydro-4-oxoquinolin-6-yl)acetamide

Zhang, Qiang,Mao, Yongjun,Liu, Zheng,Xie, Kai,Zhu, Yi,Wei, Yabing,Jiang, Xiangrui,Shen, Jingshan

, p. 2851 - 2856 (2012/02/02)

New route for the preparation of N-(3-cyano-7-ethoxy-1,4-dihydro-4- oxoquinolin-6-yl)acetamide (1), a key intermediate for the synthesis of selective EGFR kinase inhibitors, was described.

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