180975-57-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 180975-57-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,0,9,7 and 5 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 180975-57:
(8*1)+(7*8)+(6*0)+(5*9)+(4*7)+(3*5)+(2*5)+(1*7)=169
169 % 10 = 9
So 180975-57-9 is a valid CAS Registry Number.