134666-17-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 134666-17-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,6,6 and 6 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 134666-17:
(8*1)+(7*3)+(6*4)+(5*6)+(4*6)+(3*6)+(2*1)+(1*7)=134
134 % 10 = 4
So 134666-17-4 is a valid CAS Registry Number.
134666-17-4Relevant articles and documents
Versatile synthesis of 2-aryltriazolothiazolopyridines
Prasad, V S R,Sambaiah, T,Reddy, K Kondal
, p. 517 - 518 (2007/10/02)
The reaction of 2-aminothiazolopyridines (1) with benzonitrile in the presence of anhyd AlCl3 give N-(thiazolopyridin-2-yl)arylamidines (2) which on cyclodehydrogenation with lead tetraacetate in dry benzene afford 2-aryltriazolothiazolopyridines (4).
