16281-49-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 16281-49-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,2,8 and 1 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 16281-49:
(7*1)+(6*6)+(5*2)+(4*8)+(3*1)+(2*4)+(1*9)=105
105 % 10 = 5
So 16281-49-5 is a valid CAS Registry Number.