143774-47-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 143774-47-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,7,7 and 4 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 143774-47:
(8*1)+(7*4)+(6*3)+(5*7)+(4*7)+(3*4)+(2*4)+(1*7)=144
144 % 10 = 4
So 143774-47-4 is a valid CAS Registry Number.