6748-92-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 6748-92-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,7,4 and 8 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 6748-92:
(6*6)+(5*7)+(4*4)+(3*8)+(2*9)+(1*2)=131
131 % 10 = 1
So 6748-92-1 is a valid CAS Registry Number.