1384441-97-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1384441-97-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,8,4,4,4 and 1 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1384441-97:
(9*1)+(8*3)+(7*8)+(6*4)+(5*4)+(4*4)+(3*1)+(2*9)+(1*7)=177
177 % 10 = 7
So 1384441-97-7 is a valid CAS Registry Number.