185999-05-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 185999-05-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,5,9,9 and 9 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 185999-05:
(8*1)+(7*8)+(6*5)+(5*9)+(4*9)+(3*9)+(2*0)+(1*5)=207
207 % 10 = 7
So 185999-05-7 is a valid CAS Registry Number.