57381-94-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 57381-94-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,3,8 and 1 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 57381-94:
(7*5)+(6*7)+(5*3)+(4*8)+(3*1)+(2*9)+(1*4)=149
149 % 10 = 9
So 57381-94-9 is a valid CAS Registry Number.