138055-43-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 138055-43-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,0,5 and 5 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 138055-43:
(8*1)+(7*3)+(6*8)+(5*0)+(4*5)+(3*5)+(2*4)+(1*3)=123
123 % 10 = 3
So 138055-43-3 is a valid CAS Registry Number.