664347-84-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 664347-84-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,6,4,3,4 and 7 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 664347-84:
(8*6)+(7*6)+(6*4)+(5*3)+(4*4)+(3*7)+(2*8)+(1*4)=186
186 % 10 = 6
So 664347-84-6 is a valid CAS Registry Number.