193209-35-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 193209-35-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,3,2,0 and 9 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 193209-35:
(8*1)+(7*9)+(6*3)+(5*2)+(4*0)+(3*9)+(2*3)+(1*5)=137
137 % 10 = 7
So 193209-35-7 is a valid CAS Registry Number.