142917-47-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 142917-47-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,9,1 and 7 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 142917-47:
(8*1)+(7*4)+(6*2)+(5*9)+(4*1)+(3*7)+(2*4)+(1*7)=133
133 % 10 = 3
So 142917-47-3 is a valid CAS Registry Number.