270901-56-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 270901-56-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,7,0,9,0 and 1 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 270901-56:
(8*2)+(7*7)+(6*0)+(5*9)+(4*0)+(3*1)+(2*5)+(1*6)=129
129 % 10 = 9
So 270901-56-9 is a valid CAS Registry Number.