70938-73-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 70938-73-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,9,3 and 8 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 70938-73:
(7*7)+(6*0)+(5*9)+(4*3)+(3*8)+(2*7)+(1*3)=147
147 % 10 = 7
So 70938-73-7 is a valid CAS Registry Number.