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80317-38-0

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80317-38-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 80317-38-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,3,1 and 7 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 80317-38:
(7*8)+(6*0)+(5*3)+(4*1)+(3*7)+(2*3)+(1*8)=110
110 % 10 = 0
So 80317-38-0 is a valid CAS Registry Number.

80317-38-0Relevant articles and documents

Synthesis of (E)-1-Aryl-2-methyl-3-alkyl-2-propen-1-ones via Allylic Sulfoxide-Sulfenate Ester Rearrangements

Goodwin, Thomas E.,Ratcliff, David G.,Crowder, C. Michael,Seitzinger, Newton K.

, p. 815 - 820 (1982)

A synthon for vinyl anion 2 has been designed as the cornerstone for a versatile synthesis of (E)-1-aryl-2-methyl-3-alkyl-2-propen-1-ones (1).The choice of the allylic sulfoxide-sulfenate ester rearrangement as a synthesis conduit leads to formation of the desired E isomers stereoselectively.Attempted tetrahydropyran ring opening of enone 7c was not successful.

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