287199-75-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 287199-75-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,8,7,1,9 and 9 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 287199-75:
(8*2)+(7*8)+(6*7)+(5*1)+(4*9)+(3*9)+(2*7)+(1*5)=201
201 % 10 = 1
So 287199-75-1 is a valid CAS Registry Number.