405902-62-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 405902-62-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,5,9,0 and 2 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 405902-62:
(8*4)+(7*0)+(6*5)+(5*9)+(4*0)+(3*2)+(2*6)+(1*2)=127
127 % 10 = 7
So 405902-62-7 is a valid CAS Registry Number.