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1417801-97-8

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1417801-97-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1417801-97-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,1,7,8,0 and 1 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1417801-97:
(9*1)+(8*4)+(7*1)+(6*7)+(5*8)+(4*0)+(3*1)+(2*9)+(1*7)=158
158 % 10 = 8
So 1417801-97-8 is a valid CAS Registry Number.

1417801-97-8Relevant articles and documents

Enantioselective and regioselective pyrone Diels-Alder reactions of vinyl sulfones: Total synthesis of (+)-cavicularin

Zhao, Peng,Beaudry, Christopher M.

, p. 10500 - 10503 (2016/02/18)

The total synthesis of (+)-cavicularin is described. The synthesis features an enantio- and regioselective pyrone Diels-Alder reaction of a vinyl sulfone to construct the cyclophane architecture of the natural product. The Diels-Alder substrate was prepared by a regioselective one-pot three-component Suzuki reaction of a non-symmetric dibromoarene. The total synthesis of (+)-cavicularin features an enantio- and regioselective Diels-Alder reaction of a pyrone with a vinyl sulfone. The substrate for this transformation is prepared by a regioselective one-pot three-component Suzuki reaction of a non-symmetric dibromoarene.

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