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1028432-68-9

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1028432-68-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1028432-68-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,8,4,3 and 2 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1028432-68:
(9*1)+(8*0)+(7*2)+(6*8)+(5*4)+(4*3)+(3*2)+(2*6)+(1*8)=129
129 % 10 = 9
So 1028432-68-9 is a valid CAS Registry Number.

1028432-68-9Upstream product

1028432-68-9Relevant academic research and scientific papers

Total synthesis of (-)-brevenal: A concise synthetic entry to the pentacyclic polyether core

Ebine, Makoto,Fuwa, Haruhiko,Sasaki, Makoto

supporting information; experimental part, p. 2275 - 2278 (2009/05/11)

(Chemical Equation Presented) Total synthesis of (-)-brevenal, a novel marine polycyclic ether natural product, is described. Highly efficient and scalable entries to the AB-ring exo-olefin and the DE-ring enol phosphate and a rapid construction of the C-

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