263719-70-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 263719-70-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,6,3,7,1 and 9 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 263719-70:
(8*2)+(7*6)+(6*3)+(5*7)+(4*1)+(3*9)+(2*7)+(1*0)=156
156 % 10 = 6
So 263719-70-6 is a valid CAS Registry Number.