252989-40-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 252989-40-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,2,9,8 and 9 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 252989-40:
(8*2)+(7*5)+(6*2)+(5*9)+(4*8)+(3*9)+(2*4)+(1*0)=175
175 % 10 = 5
So 252989-40-5 is a valid CAS Registry Number.