6502-83-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 6502-83-6 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, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 6502-83:
(6*6)+(5*5)+(4*0)+(3*2)+(2*8)+(1*3)=86
86 % 10 = 6
So 6502-83-6 is a valid CAS Registry Number.