1297598-99-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1297598-99-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,9,7,5,9 and 8 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1297598-99:
(9*1)+(8*2)+(7*9)+(6*7)+(5*5)+(4*9)+(3*8)+(2*9)+(1*9)=242
242 % 10 = 2
So 1297598-99-2 is a valid CAS Registry Number.