1247840-97-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1247840-97-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,7,8,4 and 0 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1247840-97:
(9*1)+(8*2)+(7*4)+(6*7)+(5*8)+(4*4)+(3*0)+(2*9)+(1*7)=176
176 % 10 = 6
So 1247840-97-6 is a valid CAS Registry Number.