39144-42-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 39144-42-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,9,1,4 and 4 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 39144-42:
(7*3)+(6*9)+(5*1)+(4*4)+(3*4)+(2*4)+(1*2)=118
118 % 10 = 8
So 39144-42-8 is a valid CAS Registry Number.