3148-34-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 3148-34-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,1,4 and 8 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 3148-34:
(6*3)+(5*1)+(4*4)+(3*8)+(2*3)+(1*4)=73
73 % 10 = 3
So 3148-34-3 is a valid CAS Registry Number.