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1228958-85-7

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1228958-85-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1228958-85-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,8,9,5 and 8 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1228958-85:
(9*1)+(8*2)+(7*2)+(6*8)+(5*9)+(4*5)+(3*8)+(2*8)+(1*5)=197
197 % 10 = 7
So 1228958-85-7 is a valid CAS Registry Number.

1228958-85-7Downstream Products

1228958-85-7Relevant academic research and scientific papers

Synthesis and characterization of novel, thermally stable 2-aryl-5-dicyanovinylthiophenes and 5-aryl-5'-dicyanovinyl-2,2'-bithiophenes as potentially promising non-linear optical materials

Herbivo, Cyril,Comel, Alain,Kirsch,Fonseca, A. Maurício C.,Belsley, M.,Raposo, M. Manuela M.

experimental part, p. 217 - 226 (2010/11/05)

Two series of dicyanovinyl-substituted compounds namely 2-aryl-5-dicyanovinylthiophenes and 5-aryl-5′-dicyanovinyl-2,2′-bithiophenes were synthesized through Knoevenagel condensation of the corresponding 2-aryl-5-formyl-thiophenes and 5-aryl-5′-formyl-2,2

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