1291087-19-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1291087-19-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,9,1,0,8 and 7 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1291087-19:
(9*1)+(8*2)+(7*9)+(6*1)+(5*0)+(4*8)+(3*7)+(2*1)+(1*9)=158
158 % 10 = 8
So 1291087-19-8 is a valid CAS Registry Number.