654059-19-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 654059-19-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,5,4,0,5 and 9 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 654059-19:
(8*6)+(7*5)+(6*4)+(5*0)+(4*5)+(3*9)+(2*1)+(1*9)=165
165 % 10 = 5
So 654059-19-5 is a valid CAS Registry Number.