1438278-43-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1438278-43-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,3,8,2,7 and 8 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1438278-43:
(9*1)+(8*4)+(7*3)+(6*8)+(5*2)+(4*7)+(3*8)+(2*4)+(1*3)=183
183 % 10 = 3
So 1438278-43-3 is a valid CAS Registry Number.