675840-32-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 675840-32-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,7,5,8,4 and 0 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 675840-32:
(8*6)+(7*7)+(6*5)+(5*8)+(4*4)+(3*0)+(2*3)+(1*2)=191
191 % 10 = 1
So 675840-32-1 is a valid CAS Registry Number.