1384440-90-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1384440-90-7 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 0 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1384440-90:
(9*1)+(8*3)+(7*8)+(6*4)+(5*4)+(4*4)+(3*0)+(2*9)+(1*0)=167
167 % 10 = 7
So 1384440-90-7 is a valid CAS Registry Number.