41894-57-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 41894-57-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,1,8,9 and 4 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 41894-57:
(7*4)+(6*1)+(5*8)+(4*9)+(3*4)+(2*5)+(1*7)=139
139 % 10 = 9
So 41894-57-9 is a valid CAS Registry Number.