427900-26-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 427900-26-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,2,7,9,0 and 0 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 427900-26:
(8*4)+(7*2)+(6*7)+(5*9)+(4*0)+(3*0)+(2*2)+(1*6)=143
143 % 10 = 3
So 427900-26-3 is a valid CAS Registry Number.