40357-92-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 40357-92-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,3,5 and 7 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 40357-92:
(7*4)+(6*0)+(5*3)+(4*5)+(3*7)+(2*9)+(1*2)=104
104 % 10 = 4
So 40357-92-4 is a valid CAS Registry Number.