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958840-45-4

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958840-45-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 958840-45-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,5,8,8,4 and 0 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 958840-45:
(8*9)+(7*5)+(6*8)+(5*8)+(4*4)+(3*0)+(2*4)+(1*5)=224
224 % 10 = 4
So 958840-45-4 is a valid CAS Registry Number.

958840-45-4Downstream Products

958840-45-4Relevant academic research and scientific papers

Synthesis of azaphilone-based chemical libraries

Achard, Mathieu,Beeler, Aaron B.,Porco, John A.

, p. 236 - 244 (2012/05/04)

The synthesis of azaphilone scaffolds that have been further diversified by cross coupling acylation and amine addition is reported. Methodology development also led to novel modifications including C5 acetoxylation and condensations producing isoquinolin-6(7H) structures. Overall, the library synthesis afforded three azaphilone sublibraries, including vinylogous pyridones which project diversity elements in four sectors of the azaphilone core.

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