6890-36-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 6890-36-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,8,9 and 0 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 6890-36:
(6*6)+(5*8)+(4*9)+(3*0)+(2*3)+(1*6)=124
124 % 10 = 4
So 6890-36-4 is a valid CAS Registry Number.