402956-89-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 402956-89-2 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 6 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 402956-89:
(8*4)+(7*0)+(6*2)+(5*9)+(4*5)+(3*6)+(2*8)+(1*9)=152
152 % 10 = 2
So 402956-89-2 is a valid CAS Registry Number.