83897-47-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 83897-47-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,8,9 and 7 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 83897-47:
(7*8)+(6*3)+(5*8)+(4*9)+(3*7)+(2*4)+(1*7)=186
186 % 10 = 6
So 83897-47-6 is a valid CAS Registry Number.