4541-88-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4541-88-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,5,4 and 1 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 4541-88:
(6*4)+(5*5)+(4*4)+(3*1)+(2*8)+(1*8)=92
92 % 10 = 2
So 4541-88-2 is a valid CAS Registry Number.