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193481-24-2

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193481-24-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 193481-24-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,3,4,8 and 1 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 193481-24:
(8*1)+(7*9)+(6*3)+(5*4)+(4*8)+(3*1)+(2*2)+(1*4)=152
152 % 10 = 2
So 193481-24-2 is a valid CAS Registry Number.

193481-24-2Relevant academic research and scientific papers

Synthetic studies on azadirachtin: Asymmetric synthesis of the tetracyclic decalin part of azadirachtin

Kanoh,Ishihara,Yamamoto,Murai

, p. 1878 - 1893 (2007/10/03)

A synthesis of the tetracyclic decalin part of azadirachtin in the naturally occurring form is described. The key reactions involve the Corey-Bakshi-Shibata (CBS) asymmetric reduction of the ketone, and an intramolecular Diels-Alder (IMDA) reaction.

Synthetic Study on Azadirachtin: Asymmetric Synthesis of the Tetracyclic Decalin Part of Azadirachtin

Kanoh, Naoki,Ishihara, Jun,Murai, Akio

, p. 737 - 739 (2007/10/03)

Compound 2 was synthesized in an optically pure form in connection with our synthetic study of azadirachtin.

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