70509-14-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 70509-14-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,5,0 and 9 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 70509-14:
(7*7)+(6*0)+(5*5)+(4*0)+(3*9)+(2*1)+(1*4)=107
107 % 10 = 7
So 70509-14-7 is a valid CAS Registry Number.