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1613041-51-2

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1613041-51-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1613041-51-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,1,3,0,4 and 1 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1613041-51:
(9*1)+(8*6)+(7*1)+(6*3)+(5*0)+(4*4)+(3*1)+(2*5)+(1*1)=112
112 % 10 = 2
So 1613041-51-2 is a valid CAS Registry Number.

1613041-51-2Downstream Products

1613041-51-2Relevant articles and documents

Domino synthesis of 1,3-diynes from 1,1-dibromoalkenes: A Pd-catalyzed copper-free coupling method

Rao, Maddali L.N.,Dasgupta, Priyabrata,Ramakrishna, Boddu S.,Murty, Venneti N.

, p. 3529 - 3533 (2014/06/10)

Pd-catalyzed domino synthesis of 1,3-diynes was accomplished using 1,1-dibomoalkenes under copper-free coupling conditions. This domino procedure involves base mediated in situ generation of 1-bromoalkyne and its subsequent coupling to give 1,3-diyne. The optimized copper-free coupling method afforded good to high yields of symmetrical 1,3-diynes in a one-pot operation.

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