1705571-70-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1705571-70-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,7,0,5,5,7 and 1 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1705571-70:
(9*1)+(8*7)+(7*0)+(6*5)+(5*5)+(4*7)+(3*1)+(2*7)+(1*0)=165
165 % 10 = 5
So 1705571-70-5 is a valid CAS Registry Number.