286956-40-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 286956-40-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,8,6,9,5 and 6 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 286956-40:
(8*2)+(7*8)+(6*6)+(5*9)+(4*5)+(3*6)+(2*4)+(1*0)=199
199 % 10 = 9
So 286956-40-9 is a valid CAS Registry Number.