1438250-67-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1438250-67-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,3,8,2,5 and 0 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1438250-67:
(9*1)+(8*4)+(7*3)+(6*8)+(5*2)+(4*5)+(3*0)+(2*6)+(1*7)=159
159 % 10 = 9
So 1438250-67-9 is a valid CAS Registry Number.