497212-74-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 497212-74-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,9,7,2,1 and 2 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 497212-74:
(8*4)+(7*9)+(6*7)+(5*2)+(4*1)+(3*2)+(2*7)+(1*4)=175
175 % 10 = 5
So 497212-74-5 is a valid CAS Registry Number.