221236-76-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 221236-76-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,1,2,3 and 6 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 221236-76:
(8*2)+(7*2)+(6*1)+(5*2)+(4*3)+(3*6)+(2*7)+(1*6)=96
96 % 10 = 6
So 221236-76-6 is a valid CAS Registry Number.