1707-40-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1707-40-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,7,0 and 7 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1707-40:
(6*1)+(5*7)+(4*0)+(3*7)+(2*4)+(1*0)=70
70 % 10 = 0
So 1707-40-0 is a valid CAS Registry Number.