17701-70-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 17701-70-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,7,0 and 1 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 17701-70:
(7*1)+(6*7)+(5*7)+(4*0)+(3*1)+(2*7)+(1*0)=101
101 % 10 = 1
So 17701-70-1 is a valid CAS Registry Number.