880804-53-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 880804-53-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,8,0,8,0 and 4 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 880804-53:
(8*8)+(7*8)+(6*0)+(5*8)+(4*0)+(3*4)+(2*5)+(1*3)=185
185 % 10 = 5
So 880804-53-5 is a valid CAS Registry Number.