816464-27-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 816464-27-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,1,6,4,6 and 4 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 816464-27:
(8*8)+(7*1)+(6*6)+(5*4)+(4*6)+(3*4)+(2*2)+(1*7)=174
174 % 10 = 4
So 816464-27-4 is a valid CAS Registry Number.