117666-92-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 117666-92-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,6,6 and 6 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 117666-92:
(8*1)+(7*1)+(6*7)+(5*6)+(4*6)+(3*6)+(2*9)+(1*2)=149
149 % 10 = 9
So 117666-92-9 is a valid CAS Registry Number.
117666-92-9Relevant articles and documents
A New Route to the Previously Unattainable 2-Arylpyridothiazepin-4(5H)-ones
Couture, A.,Huguerre, E.,Grandclaudon, P.
, p. 4337 - 4339 (2007/10/02)
A variety of 2-arylpyridothiazepin-4(5H)-ones has been efficiently synthesized by treatment of the anion of 2-chloro-3-(N-methylacetamido)- and -3-acetamidopyridine with the appropriate O-ethyl thiocarboxylate.