37143-56-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 37143-56-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,7,1,4 and 3 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 37143-56:
(7*3)+(6*7)+(5*1)+(4*4)+(3*3)+(2*5)+(1*6)=109
109 % 10 = 9
So 37143-56-9 is a valid CAS Registry Number.