121702-70-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 121702-70-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,7,0 and 2 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 121702-70:
(8*1)+(7*2)+(6*1)+(5*7)+(4*0)+(3*2)+(2*7)+(1*0)=83
83 % 10 = 3
So 121702-70-3 is a valid CAS Registry Number.