Cas 141503-20-0,8,12-Tetradecadien-4-yn-1-one, 9,13-dimethyl-1,3-diphenyl-

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Check Digit Verification of cas no

The CAS Registry Mumber 141503-20-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,1,5,0 and 3 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 141503-20:
(8*1)+(7*4)+(6*1)+(5*5)+(4*0)+(3*3)+(2*2)+(1*0)=80
80 % 10 = 0
So 141503-20-0 is a valid CAS Registry Number.

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141503-20-0Relevant academic research and scientific papers

Boron Trifluoride Etherate Mediated 1,4-Addition of (1-Alkynyl)diisopropoxyboranes to α,β-Unsaturated Ketones. A Convenient New Route to 3-Alkynyl Ketone Synthesis

Fujishima, Hiroaki,Takada, Ei-ichi,Hara, Shoji,Suzuki, Akira

, p. 695 - 698 (2007/10/02)

In the presence of BF3 etherate, (1-alkynyl)diisopropoxyboranes react with α,β-unsaturated ketones to give 1,4-addition products selectively in good yields.

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