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1256971-28-4

1256971-28-4

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1256971-28-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1256971-28-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,6,9,7 and 1 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1256971-28:
(9*1)+(8*2)+(7*5)+(6*6)+(5*9)+(4*7)+(3*1)+(2*2)+(1*8)=184
184 % 10 = 4
So 1256971-28-4 is a valid CAS Registry Number.

1256971-28-4Downstream Products

1256971-28-4Relevant articles and documents

Synthesis of 2-pyridones and iminoesters via Rh(III)-catalyzed oxidative coupling between acrylamides and alkynes

Su, Yan,Zhao, Miao,Han, Keli,Song, Guoyong,Li, Xingwei

supporting information; experimental part, p. 5462 - 5465 (2011/02/22)

Catalytic oxidative coupling between acrylamides and alkynes was achieved using 0.5 mol % loading of [RhCp*Cl2]2 with Cu(OAc)2 as an oxidant. 2-Pyridones, iminoesters, and substituted indoles could be obtained as a result

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