70501-99-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 70501-99-4 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 1 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 70501-99:
(7*7)+(6*0)+(5*5)+(4*0)+(3*1)+(2*9)+(1*9)=104
104 % 10 = 4
So 70501-99-4 is a valid CAS Registry Number.