73900-40-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 73900-40-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,9,0 and 0 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 73900-40:
(7*7)+(6*3)+(5*9)+(4*0)+(3*0)+(2*4)+(1*0)=120
120 % 10 = 0
So 73900-40-0 is a valid CAS Registry Number.