402915-43-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 402915-43-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,2,9,1 and 5 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 402915-43:
(8*4)+(7*0)+(6*2)+(5*9)+(4*1)+(3*5)+(2*4)+(1*3)=119
119 % 10 = 9
So 402915-43-9 is a valid CAS Registry Number.