23213-77-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 23213-77-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,2,1 and 3 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 23213-77:
(7*2)+(6*3)+(5*2)+(4*1)+(3*3)+(2*7)+(1*7)=76
76 % 10 = 6
So 23213-77-6 is a valid CAS Registry Number.