1316889-28-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1316889-28-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,1,6,8,8 and 9 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1316889-28:
(9*1)+(8*3)+(7*1)+(6*6)+(5*8)+(4*8)+(3*9)+(2*2)+(1*8)=187
187 % 10 = 7
So 1316889-28-7 is a valid CAS Registry Number.