157474-50-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 157474-50-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,7,4,7 and 4 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 157474-50:
(8*1)+(7*5)+(6*7)+(5*4)+(4*7)+(3*4)+(2*5)+(1*0)=155
155 % 10 = 5
So 157474-50-5 is a valid CAS Registry Number.