17930-35-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 17930-35-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,9,3 and 0 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 17930-35:
(7*1)+(6*7)+(5*9)+(4*3)+(3*0)+(2*3)+(1*5)=117
117 % 10 = 7
So 17930-35-7 is a valid CAS Registry Number.