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1449486-80-9

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1449486-80-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1449486-80-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,4,9,4,8 and 6 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1449486-80:
(9*1)+(8*4)+(7*4)+(6*9)+(5*4)+(4*8)+(3*6)+(2*8)+(1*0)=209
209 % 10 = 9
So 1449486-80-9 is a valid CAS Registry Number.

1449486-80-9Relevant academic research and scientific papers

Construction of tricyclic pyran derivatives through intramolecular [2+2+2] cycloaddition of allenynes with tethered aldehydes

Oonishi, Yoshihiro,Kitano, Yoshitaka,Sato, Yoshihiro

, p. 7713 - 7718 (2013/08/23)

Rh(I)-catalyzed intramolecular [2+2+2] cycloaddition of allenynes with tethered aldehydes was investigated. The cyclizations proceeded smoothly under mild conditions to give various tricyclic compounds containing a pyran ring in good to high yields in a stereoselective manner.

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