17317-75-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 17317-75-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,3,1 and 7 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 17317-75:
(7*1)+(6*7)+(5*3)+(4*1)+(3*7)+(2*7)+(1*5)=108
108 % 10 = 8
So 17317-75-8 is a valid CAS Registry Number.
17317-75-8Relevant articles and documents
Synthesis of 2-substituted 3-iodo-4H-chromen-4-ones
Myannik,Yarovenko,Krayushkin,Levchenko
, p. 543 - 545 (2014)
3-Iodochromones containing phenyl and furyl fragments at position 2 were synthesized by heterocyclization of β-ketoenamines.