766468-21-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 766468-21-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,6,6,4,6 and 8 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 766468-21:
(8*7)+(7*6)+(6*6)+(5*4)+(4*6)+(3*8)+(2*2)+(1*1)=207
207 % 10 = 7
So 766468-21-7 is a valid CAS Registry Number.