4901-54-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4901-54-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,9,0 and 1 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 4901-54:
(6*4)+(5*9)+(4*0)+(3*1)+(2*5)+(1*4)=86
86 % 10 = 6
So 4901-54-6 is a valid CAS Registry Number.