83495-24-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 83495-24-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,4,9 and 5 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 83495-24:
(7*8)+(6*3)+(5*4)+(4*9)+(3*5)+(2*2)+(1*4)=153
153 % 10 = 3
So 83495-24-3 is a valid CAS Registry Number.
83495-24-3Relevant articles and documents
UNSYMMETRICAL COUPLING OF 2-ARYLTHIOPHENES BY CATION EXCHANGE RESIN
Sone, Tyo,Kubo, Masaaki,Kanno, Tsutomu
, p. 1195 - 1198 (2007/10/02)
2-Arylthiophenes coupled through the 4,5'-positions of the two thiophene rings by the action of cation exchange resin to afford unsymmetrical 5,5'-diaryl-2,3'-bithienyls as principal products.
