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98139-95-8

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98139-95-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 98139-95-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,1,3 and 9 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 98139-95:
(7*9)+(6*8)+(5*1)+(4*3)+(3*9)+(2*9)+(1*5)=178
178 % 10 = 8
So 98139-95-8 is a valid CAS Registry Number.

98139-95-8Relevant articles and documents

AROMATIC HETEROCYCLIC SUBSTITUTED OLEFIN COMPOUND, PREPARATION METHOD FOR SAME, PHARMACEUTICAL COMPOSITION OF SAME, AND APPLICATIONS THEREOF

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Paragraph 0156; 0302-0304, (2021/02/05)

Provided in the present application are an aromatic heterocyclic substituted olefin compound, a preparation method for same, a pharmaceutical composition of same, and applications thereof. The aromatic heterocyclic substituted olefin compound of the present invention is a novel ALK5 inhibitor and is for use in treating and/or preventing various ALK5-mediated diseases.

Auto-tandem catalysis: Synthesis of acridines by Pd-catalyzed C=C bond formation and C(sp2)-N cross-coupling

Huang, Zhongxing,Yang, Yang,Xiao, Qing,Zhang, Yan,Wang, Jianbo

supporting information, p. 6586 - 6593 (2013/01/15)

A facile palladium-catalyzed synthesis of acridines has been realized by consecutive C=C double bond formation and C-N cross-coupling. A variety of functionalized acridines can be accessed from easily available o-dihalobenzenes and N-tosylhydrazones in a single operation. This one-pot protocol has a wide scope with respect to both coupling partners, and provides an efficient route to functionalized acridine derivatives, which are generally difficult to synthesize by previously known methods.

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