658039-35-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 658039-35-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,5,8,0,3 and 9 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 658039-35:
(8*6)+(7*5)+(6*8)+(5*0)+(4*3)+(3*9)+(2*3)+(1*5)=181
181 % 10 = 1
So 658039-35-1 is a valid CAS Registry Number.