133043-83-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 133043-83-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,0,4 and 3 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 133043-83:
(8*1)+(7*3)+(6*3)+(5*0)+(4*4)+(3*3)+(2*8)+(1*3)=91
91 % 10 = 1
So 133043-83-1 is a valid CAS Registry Number.