21886-64-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 21886-64-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,8,8 and 6 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 21886-64:
(7*2)+(6*1)+(5*8)+(4*8)+(3*6)+(2*6)+(1*4)=126
126 % 10 = 6
So 21886-64-6 is a valid CAS Registry Number.