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1037204-47-9

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1037204-47-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1037204-47-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,3,7,2,0 and 4 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1037204-47:
(9*1)+(8*0)+(7*3)+(6*7)+(5*2)+(4*0)+(3*4)+(2*4)+(1*7)=109
109 % 10 = 9
So 1037204-47-9 is a valid CAS Registry Number.

1037204-47-9Relevant articles and documents

A cross-metathesis approach to the stereocontrolled synthesis of the AB ring segment of ciguatoxin

Kadota, Isao,Abe, Takashi,Uni, Miyuki,Takamura, Hiroyoshi,Yamamoto, Yoshinori

, p. 3643 - 3647 (2008/09/20)

Synthesis of the AB ring segments of ciguatoxin is described. The present synthesis includes a Lewis acid mediated cyclization of allylstannane with aldehyde, cross-metathesis reaction introducing the side chain, and Grieco-Nishizawa dehydration on the A ring.

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