228418-85-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 228418-85-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,8,4,1 and 8 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 228418-85:
(8*2)+(7*2)+(6*8)+(5*4)+(4*1)+(3*8)+(2*8)+(1*5)=147
147 % 10 = 7
So 228418-85-7 is a valid CAS Registry Number.