4276-54-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4276-54-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,2,7 and 6 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 4276-54:
(6*4)+(5*2)+(4*7)+(3*6)+(2*5)+(1*4)=94
94 % 10 = 4
So 4276-54-4 is a valid CAS Registry Number.