9011-23-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 9011-23-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 9,0,1 and 1 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 9011-23:
(6*9)+(5*0)+(4*1)+(3*1)+(2*2)+(1*3)=68
68 % 10 = 8
So 9011-23-8 is a valid CAS Registry Number.