216435-76-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 216435-76-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,6,4,3 and 5 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 216435-76:
(8*2)+(7*1)+(6*6)+(5*4)+(4*3)+(3*5)+(2*7)+(1*6)=126
126 % 10 = 6
So 216435-76-6 is a valid CAS Registry Number.