1431098-25-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1431098-25-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,3,1,0,9 and 8 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1431098-25:
(9*1)+(8*4)+(7*3)+(6*1)+(5*0)+(4*9)+(3*8)+(2*2)+(1*5)=137
137 % 10 = 7
So 1431098-25-7 is a valid CAS Registry Number.