4841-71-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4841-71-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,8,4 and 1 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 4841-71:
(6*4)+(5*8)+(4*4)+(3*1)+(2*7)+(1*1)=98
98 % 10 = 8
So 4841-71-8 is a valid CAS Registry Number.