1134725-33-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1134725-33-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,3,4,7,2 and 5 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1134725-33:
(9*1)+(8*1)+(7*3)+(6*4)+(5*7)+(4*2)+(3*5)+(2*3)+(1*3)=129
129 % 10 = 9
So 1134725-33-9 is a valid CAS Registry Number.