1439897-97-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1439897-97-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,3,9,8,9 and 7 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1439897-97:
(9*1)+(8*4)+(7*3)+(6*9)+(5*8)+(4*9)+(3*7)+(2*9)+(1*7)=238
238 % 10 = 8
So 1439897-97-8 is a valid CAS Registry Number.