33870-70-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 33870-70-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,8,7 and 0 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 33870-70:
(7*3)+(6*3)+(5*8)+(4*7)+(3*0)+(2*7)+(1*0)=121
121 % 10 = 1
So 33870-70-1 is a valid CAS Registry Number.