7768-48-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 7768-48-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,7,6 and 8 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 7768-48:
(6*7)+(5*7)+(4*6)+(3*8)+(2*4)+(1*8)=141
141 % 10 = 1
So 7768-48-1 is a valid CAS Registry Number.