158980-49-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 158980-49-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,8,9,8 and 0 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 158980-49:
(8*1)+(7*5)+(6*8)+(5*9)+(4*8)+(3*0)+(2*4)+(1*9)=185
185 % 10 = 5
So 158980-49-5 is a valid CAS Registry Number.