6006-91-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 6006-91-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,0,0 and 6 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 6006-91:
(6*6)+(5*0)+(4*0)+(3*6)+(2*9)+(1*1)=73
73 % 10 = 3
So 6006-91-3 is a valid CAS Registry Number.