402958-41-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 402958-41-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,2,9,5 and 8 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 402958-41:
(8*4)+(7*0)+(6*2)+(5*9)+(4*5)+(3*8)+(2*4)+(1*1)=142
142 % 10 = 2
So 402958-41-2 is a valid CAS Registry Number.