93493-67-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 93493-67-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,3,4,9 and 3 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 93493-67:
(7*9)+(6*3)+(5*4)+(4*9)+(3*3)+(2*6)+(1*7)=165
165 % 10 = 5
So 93493-67-5 is a valid CAS Registry Number.
93493-67-5Relevant articles and documents
A General Approach to the Synthesis of 1,6-, 1,7-, and 1,8-Naphthyridines
Turner, James A.
, p. 4744 - 4750 (2007/10/02)
A new three-step procedure for pyridine annulation is described and illustrated with efficient syntheses of various 1,6-, 1,7-, and 1,8-naphthyridin-2-ones as well as 6-chloroquinolin-2-one.The regiospecific ortho metalation and subsequent formylation of
