171621-48-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 171621-48-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,1,6,2 and 1 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 171621-48:
(8*1)+(7*7)+(6*1)+(5*6)+(4*2)+(3*1)+(2*4)+(1*8)=120
120 % 10 = 0
So 171621-48-0 is a valid CAS Registry Number.