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1154243-75-0

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1154243-75-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1154243-75-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,5,4,2,4 and 3 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1154243-75:
(9*1)+(8*1)+(7*5)+(6*4)+(5*2)+(4*4)+(3*3)+(2*7)+(1*5)=130
130 % 10 = 0
So 1154243-75-0 is a valid CAS Registry Number.

1154243-75-0Downstream Products

1154243-75-0Relevant articles and documents

Preparation method of sorafenib compound

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Paragraph 0015; 0037-0045, (2018/09/08)

The invention discloses a preparation method of a sorafenib compound. The preparation method comprises the following steps of: adopting reaction of 2-chloro-5-aminotrifluorotoluene and sodium cyanateto prepare a compound III, reaction of 4-bromophenol (compound IV) and a compound V to prepare a compound VI, and reaction of the compound VI and the compound III to obtain a final product, i.e., sorafenib (I). The preparation method disclosed by the invention has the beneficial effects that raw materials for reaction are low in cost and easy in obtaining, the process route is simple, the total yield is high, the side products are fewer, so that the preparation method is suitable for industrial production.

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