217076-45-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 217076-45-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,7,0,7 and 6 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 217076-45:
(8*2)+(7*1)+(6*7)+(5*0)+(4*7)+(3*6)+(2*4)+(1*5)=124
124 % 10 = 4
So 217076-45-4 is a valid CAS Registry Number.