72662-47-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72662-47-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,6,6 and 2 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 72662-47:
(7*7)+(6*2)+(5*6)+(4*6)+(3*2)+(2*4)+(1*7)=136
136 % 10 = 6
So 72662-47-6 is a valid CAS Registry Number.