666713-30-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 666713-30-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,6,6,7,1 and 3 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 666713-30:
(8*6)+(7*6)+(6*6)+(5*7)+(4*1)+(3*3)+(2*3)+(1*0)=180
180 % 10 = 0
So 666713-30-0 is a valid CAS Registry Number.