143671-58-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 143671-58-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,6,7 and 1 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 143671-58:
(8*1)+(7*4)+(6*3)+(5*6)+(4*7)+(3*1)+(2*5)+(1*8)=133
133 % 10 = 3
So 143671-58-3 is a valid CAS Registry Number.