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1256844-26-4

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1256844-26-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1256844-26-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,6,8,4 and 4 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1256844-26:
(9*1)+(8*2)+(7*5)+(6*6)+(5*8)+(4*4)+(3*4)+(2*2)+(1*6)=174
174 % 10 = 4
So 1256844-26-4 is a valid CAS Registry Number.

1256844-26-4Downstream Products

1256844-26-4Relevant articles and documents

Facile access to a variety of 2,5-biaryl-1,2,4-TRIAZOL-3-ones via regioselective N-arylation of triazolones

Park, Jiyeon,Chae, Junghyun

experimental part, p. 2143 - 2146 (2010/11/16)

A selective synthetic method of the 2,5-biaryltriazolones has been developed via copper-catalyzed N-arylation reaction. Aryltriazolones, which were readily prepared from commercially available compounds, were N-arylated to 2,5-biaryltriazolones with high regioselectivity. This approach allows for access to a variety of 2,5-biaryl-1,2,4-trizol-3-ones in a simple and practical manner.

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