1291489-86-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1291489-86-5 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 9 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1291489-86:
(9*1)+(8*2)+(7*9)+(6*1)+(5*4)+(4*8)+(3*9)+(2*8)+(1*6)=195
195 % 10 = 5
So 1291489-86-5 is a valid CAS Registry Number.