667902-11-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 667902-11-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,6,7,9,0 and 2 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 667902-11:
(8*6)+(7*6)+(6*7)+(5*9)+(4*0)+(3*2)+(2*1)+(1*1)=186
186 % 10 = 6
So 667902-11-6 is a valid CAS Registry Number.