66715-93-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 66715-93-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,7,1 and 5 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 66715-93:
(7*6)+(6*6)+(5*7)+(4*1)+(3*5)+(2*9)+(1*3)=153
153 % 10 = 3
So 66715-93-3 is a valid CAS Registry Number.