1009251-97-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1009251-97-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,0,9,2,5 and 1 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1009251-97:
(9*1)+(8*0)+(7*0)+(6*9)+(5*2)+(4*5)+(3*1)+(2*9)+(1*7)=121
121 % 10 = 1
So 1009251-97-1 is a valid CAS Registry Number.