199587-80-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 199587-80-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,9,5,8 and 7 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 199587-80:
(8*1)+(7*9)+(6*9)+(5*5)+(4*8)+(3*7)+(2*8)+(1*0)=219
219 % 10 = 9
So 199587-80-9 is a valid CAS Registry Number.