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1390642-54-2

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1390642-54-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1390642-54-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,9,0,6,4 and 2 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1390642-54:
(9*1)+(8*3)+(7*9)+(6*0)+(5*6)+(4*4)+(3*2)+(2*5)+(1*4)=162
162 % 10 = 2
So 1390642-54-2 is a valid CAS Registry Number.

1390642-54-2Upstream product

1390642-54-2Downstream Products

1390642-54-2Relevant academic research and scientific papers

Total syntheses of ainsliadimer B and gochnatiolides A and B

Xia, Dongliang,Du, Yu,Yi, Zhi,Song, Hao,Qin, Yong

, p. 4423 - 4427 (2013)

Oh my goch: The total syntheses of ainsliadimer B and gochnatiolides A and B from α-santonin have been accomplished in 25 steps with approximately 1 % overall yield. A Diels-Alder reaction of natural dehydrozaluzanin C with a monomeric guaianolide derivative allows stereoselective assembly of a dimeric gochnatiolide-type skeleton with the required stereochemistry and preinstalled functionalities for the synthesis of dimeric ainsliadimer B and gochnatiolides A and B (see scheme). Copyright

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