945838-87-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 945838-87-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,4,5,8,3 and 8 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 945838-87:
(8*9)+(7*4)+(6*5)+(5*8)+(4*3)+(3*8)+(2*8)+(1*7)=229
229 % 10 = 9
So 945838-87-9 is a valid CAS Registry Number.