865183-91-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 865183-91-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,5,1,8 and 3 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 865183-91:
(8*8)+(7*6)+(6*5)+(5*1)+(4*8)+(3*3)+(2*9)+(1*1)=201
201 % 10 = 1
So 865183-91-1 is a valid CAS Registry Number.