197437-76-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 197437-76-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,7,4,3 and 7 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 197437-76:
(8*1)+(7*9)+(6*7)+(5*4)+(4*3)+(3*7)+(2*7)+(1*6)=186
186 % 10 = 6
So 197437-76-6 is a valid CAS Registry Number.