6869-70-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 6869-70-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,8,6 and 9 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 6869-70:
(6*6)+(5*8)+(4*6)+(3*9)+(2*7)+(1*0)=141
141 % 10 = 1
So 6869-70-1 is a valid CAS Registry Number.