1391144-81-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1391144-81-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,9,1,1,4 and 4 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1391144-81:
(9*1)+(8*3)+(7*9)+(6*1)+(5*1)+(4*4)+(3*4)+(2*8)+(1*1)=152
152 % 10 = 2
So 1391144-81-2 is a valid CAS Registry Number.