1578245-81-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1578245-81-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,7,8,2,4 and 5 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1578245-81:
(9*1)+(8*5)+(7*7)+(6*8)+(5*2)+(4*4)+(3*5)+(2*8)+(1*1)=204
204 % 10 = 4
So 1578245-81-4 is a valid CAS Registry Number.