2017555-09-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2017555-09-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 2,0,1,7,5,5 and 5 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 2017555-09:
(9*2)+(8*0)+(7*1)+(6*7)+(5*5)+(4*5)+(3*5)+(2*0)+(1*9)=136
136 % 10 = 6
So 2017555-09-6 is a valid CAS Registry Number.