1297448-25-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1297448-25-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,9,7,4,4 and 8 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1297448-25:
(9*1)+(8*2)+(7*9)+(6*7)+(5*4)+(4*4)+(3*8)+(2*2)+(1*5)=199
199 % 10 = 9
So 1297448-25-9 is a valid CAS Registry Number.