1291487-16-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1291487-16-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,9,1,4,8 and 7 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1291487-16:
(9*1)+(8*2)+(7*9)+(6*1)+(5*4)+(4*8)+(3*7)+(2*1)+(1*6)=175
175 % 10 = 5
So 1291487-16-5 is a valid CAS Registry Number.