17380-40-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 17380-40-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,3,8 and 0 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 17380-40:
(7*1)+(6*7)+(5*3)+(4*8)+(3*0)+(2*4)+(1*0)=104
104 % 10 = 4
So 17380-40-4 is a valid CAS Registry Number.