134334-52-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 134334-52-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,3,3 and 4 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 134334-52:
(8*1)+(7*3)+(6*4)+(5*3)+(4*3)+(3*4)+(2*5)+(1*2)=104
104 % 10 = 4
So 134334-52-4 is a valid CAS Registry Number.