56153-83-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 56153-83-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,6,1,5 and 3 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 56153-83:
(7*5)+(6*6)+(5*1)+(4*5)+(3*3)+(2*8)+(1*3)=124
124 % 10 = 4
So 56153-83-4 is a valid CAS Registry Number.