180780-70-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 180780-70-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,0,7,8 and 0 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 180780-70:
(8*1)+(7*8)+(6*0)+(5*7)+(4*8)+(3*0)+(2*7)+(1*0)=145
145 % 10 = 5
So 180780-70-5 is a valid CAS Registry Number.