70203-07-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 70203-07-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,2,0 and 3 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 70203-07:
(7*7)+(6*0)+(5*2)+(4*0)+(3*3)+(2*0)+(1*7)=75
75 % 10 = 5
So 70203-07-5 is a valid CAS Registry Number.