319905-69-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 319905-69-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,1,9,9,0 and 5 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 319905-69:
(8*3)+(7*1)+(6*9)+(5*9)+(4*0)+(3*5)+(2*6)+(1*9)=166
166 % 10 = 6
So 319905-69-6 is a valid CAS Registry Number.