6558-95-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 6558-95-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,5,5 and 8 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 6558-95:
(6*6)+(5*5)+(4*5)+(3*8)+(2*9)+(1*5)=128
128 % 10 = 8
So 6558-95-8 is a valid CAS Registry Number.