66897-48-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 66897-48-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,8,9 and 7 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 66897-48:
(7*6)+(6*6)+(5*8)+(4*9)+(3*7)+(2*4)+(1*8)=191
191 % 10 = 1
So 66897-48-1 is a valid CAS Registry Number.