134881-69-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 134881-69-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,8,8 and 1 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 134881-69:
(8*1)+(7*3)+(6*4)+(5*8)+(4*8)+(3*1)+(2*6)+(1*9)=149
149 % 10 = 9
So 134881-69-9 is a valid CAS Registry Number.