1148-56-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1148-56-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,1,4 and 8 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1148-56:
(6*1)+(5*1)+(4*4)+(3*8)+(2*5)+(1*6)=67
67 % 10 = 7
So 1148-56-7 is a valid CAS Registry Number.