126901-56-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 126901-56-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,6,9,0 and 1 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 126901-56:
(8*1)+(7*2)+(6*6)+(5*9)+(4*0)+(3*1)+(2*5)+(1*6)=122
122 % 10 = 2
So 126901-56-2 is a valid CAS Registry Number.