228710-38-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 228710-38-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,8,7,1 and 0 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 228710-38:
(8*2)+(7*2)+(6*8)+(5*7)+(4*1)+(3*0)+(2*3)+(1*8)=131
131 % 10 = 1
So 228710-38-1 is a valid CAS Registry Number.