1129682-90-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1129682-90-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,2,9,6,8 and 2 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1129682-90:
(9*1)+(8*1)+(7*2)+(6*9)+(5*6)+(4*8)+(3*2)+(2*9)+(1*0)=171
171 % 10 = 1
So 1129682-90-1 is a valid CAS Registry Number.