178603-74-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 178603-74-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,8,6,0 and 3 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 178603-74:
(8*1)+(7*7)+(6*8)+(5*6)+(4*0)+(3*3)+(2*7)+(1*4)=162
162 % 10 = 2
So 178603-74-2 is a valid CAS Registry Number.