663182-72-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 663182-72-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,6,3,1,8 and 2 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 663182-72:
(8*6)+(7*6)+(6*3)+(5*1)+(4*8)+(3*2)+(2*7)+(1*2)=167
167 % 10 = 7
So 663182-72-7 is a valid CAS Registry Number.