3161-58-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 3161-58-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,1,6 and 1 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 3161-58:
(6*3)+(5*1)+(4*6)+(3*1)+(2*5)+(1*8)=68
68 % 10 = 8
So 3161-58-8 is a valid CAS Registry Number.