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1562381-71-8

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1562381-71-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1562381-71-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,6,2,3,8 and 1 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1562381-71:
(9*1)+(8*5)+(7*6)+(6*2)+(5*3)+(4*8)+(3*1)+(2*7)+(1*1)=168
168 % 10 = 8
So 1562381-71-8 is a valid CAS Registry Number.

1562381-71-8Downstream Products

1562381-71-8Relevant articles and documents

Zn(II)- or Ag(I)-catalyzed 1,4-metathesis reactions between 3-en-1-ynamides and nitrosoarenes

Gawade, Sagar Ashok,Huple, Deepak B.,Liu, Rai-Shung

, p. 2978 - 2981 (2014/03/21)

Catalyst-dependent metathesis reactions between 3-en-1-ynamides and nitrosoarenes are described. Particularly notable are the unprecedented 1,4-metathesis reactions catalyzed by Ag(I) or Zn(II) to give 2-propynimidamides and benzaldehyde derivatives. With 3-en-1-ynamides bearing a cycloalkenyl group, 1,4-oxoimination products were produced efficiently. We have developed metathesis/alkynation cascades for unsubstituted 2-propynimidamides and benzaldehyde species generated in situ, to manifest 1,4-hydroxyimination reactions of 3-en-1-ynes. Both 1,4-oxoiminations and 1,4-hydroxyiminations increase the molecular complexity of products.

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