1611471-28-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1611471-28-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,1,1,4,7 and 1 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1611471-28:
(9*1)+(8*6)+(7*1)+(6*1)+(5*4)+(4*7)+(3*1)+(2*2)+(1*8)=133
133 % 10 = 3
So 1611471-28-3 is a valid CAS Registry Number.