6502-34-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 6502-34-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,5,0 and 2 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 6502-34:
(6*6)+(5*5)+(4*0)+(3*2)+(2*3)+(1*4)=77
77 % 10 = 7
So 6502-34-7 is a valid CAS Registry Number.