23339-78-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 23339-78-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,3,3 and 9 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 23339-78:
(7*2)+(6*3)+(5*3)+(4*3)+(3*9)+(2*7)+(1*8)=108
108 % 10 = 8
So 23339-78-8 is a valid CAS Registry Number.
23339-78-8Relevant articles and documents
Synthesis of 5-methylbenzo[b]thieno[2,3-c]isoquinolines and 5- methylbenzo[b]seleno[2,3-c]isoquinolines
Deprets, Stephanie,Kirsch, Gilbert
, p. 1353 - 1357 (2007/10/03)
5-Methylbenzo[b]thieno[2,3-c]isoquinolines and 5- methylbenzo[b]seleno[2,3-c]isoquinolines 11b,c have been prepared by Bischler-Napieralski cyclization of 2-acetamido-3-phenylbenzo[b]heteroarenes.
