70109-88-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 70109-88-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,1,0 and 9 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 70109-88:
(7*7)+(6*0)+(5*1)+(4*0)+(3*9)+(2*8)+(1*8)=105
105 % 10 = 5
So 70109-88-5 is a valid CAS Registry Number.