1354023-89-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1354023-89-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,5,4,0,2 and 3 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1354023-89:
(9*1)+(8*3)+(7*5)+(6*4)+(5*0)+(4*2)+(3*3)+(2*8)+(1*9)=134
134 % 10 = 4
So 1354023-89-4 is a valid CAS Registry Number.