136404-89-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 136404-89-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,6,4,0 and 4 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 136404-89:
(8*1)+(7*3)+(6*6)+(5*4)+(4*0)+(3*4)+(2*8)+(1*9)=122
122 % 10 = 2
So 136404-89-2 is a valid CAS Registry Number.