178180-34-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 178180-34-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,8,1,8 and 0 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 178180-34:
(8*1)+(7*7)+(6*8)+(5*1)+(4*8)+(3*0)+(2*3)+(1*4)=152
152 % 10 = 2
So 178180-34-2 is a valid CAS Registry Number.