72216-37-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72216-37-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,2,1 and 6 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 72216-37:
(7*7)+(6*2)+(5*2)+(4*1)+(3*6)+(2*3)+(1*7)=106
106 % 10 = 6
So 72216-37-6 is a valid CAS Registry Number.