1091-29-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1091-29-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,0,9 and 1 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1091-29:
(6*1)+(5*0)+(4*9)+(3*1)+(2*2)+(1*9)=58
58 % 10 = 8
So 1091-29-8 is a valid CAS Registry Number.