170216-48-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 170216-48-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,0,2,1 and 6 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 170216-48:
(8*1)+(7*7)+(6*0)+(5*2)+(4*1)+(3*6)+(2*4)+(1*8)=105
105 % 10 = 5
So 170216-48-5 is a valid CAS Registry Number.