100188-64-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 100188-64-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,0,1,8 and 8 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 100188-64:
(8*1)+(7*0)+(6*0)+(5*1)+(4*8)+(3*8)+(2*6)+(1*4)=85
85 % 10 = 5
So 100188-64-5 is a valid CAS Registry Number.