1616873-09-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1616873-09-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,1,6,8,7 and 3 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1616873-09:
(9*1)+(8*6)+(7*1)+(6*6)+(5*8)+(4*7)+(3*3)+(2*0)+(1*9)=186
186 % 10 = 6
So 1616873-09-6 is a valid CAS Registry Number.