1858252-28-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1858252-28-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,8,5,8,2,5 and 2 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1858252-28:
(9*1)+(8*8)+(7*5)+(6*8)+(5*2)+(4*5)+(3*2)+(2*2)+(1*8)=204
204 % 10 = 4
So 1858252-28-4 is a valid CAS Registry Number.