402956-82-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 402956-82-5 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 6 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 402956-82:
(8*4)+(7*0)+(6*2)+(5*9)+(4*5)+(3*6)+(2*8)+(1*2)=145
145 % 10 = 5
So 402956-82-5 is a valid CAS Registry Number.