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80818-39-9

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80818-39-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 80818-39-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,8,1 and 8 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 80818-39:
(7*8)+(6*0)+(5*8)+(4*1)+(3*8)+(2*3)+(1*9)=139
139 % 10 = 9
So 80818-39-9 is a valid CAS Registry Number.

80818-39-9Relevant articles and documents

Selective Reduction of αβ-Olefinic Amides and Lactams by Magnesium and Methanol

Brettle, Roger,Shibib, Sa'ad M.

, p. 2912 - 2919 (2007/10/02)

αβ-Olefinic amides with various substitution patterns at the carbon-carbon double bond and at nitrogen are all reduced to the corresponding saturated amides by magnesium and methanol.The same reducing system reduces N-benzyl-8-azabicyclonona-1(6),3-dien-7-ones at the conjugated double bond to give mixtures of the cis- and trans-dihydro-derivatives; the isolated, non-conjugated double bond is not reduced, even in the 3,4-diphenylsubstituted compound.Magnesium and methanol reduces quinolin-2(1H)-ones to their 3,4-dihydro-derivatives, and 5,6,7,8-tetrahydroquinolin-2(1H)-one to a mixture of two dihydro-derivatives.

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