1142215-49-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1142215-49-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,4,2,2,1 and 5 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1142215-49:
(9*1)+(8*1)+(7*4)+(6*2)+(5*2)+(4*1)+(3*5)+(2*4)+(1*9)=103
103 % 10 = 3
So 1142215-49-3 is a valid CAS Registry Number.