402755-30-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 402755-30-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,2,7,5 and 5 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 402755-30:
(8*4)+(7*0)+(6*2)+(5*7)+(4*5)+(3*5)+(2*3)+(1*0)=120
120 % 10 = 0
So 402755-30-0 is a valid CAS Registry Number.