825643-58-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 825643-58-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,2,5,6,4 and 3 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 825643-58:
(8*8)+(7*2)+(6*5)+(5*6)+(4*4)+(3*3)+(2*5)+(1*8)=181
181 % 10 = 1
So 825643-58-1 is a valid CAS Registry Number.