6487-97-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 6487-97-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,4,8 and 7 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 6487-97:
(6*6)+(5*4)+(4*8)+(3*7)+(2*9)+(1*7)=134
134 % 10 = 4
So 6487-97-4 is a valid CAS Registry Number.