186509-03-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 186509-03-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,6,5,0 and 9 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 186509-03:
(8*1)+(7*8)+(6*6)+(5*5)+(4*0)+(3*9)+(2*0)+(1*3)=155
155 % 10 = 5
So 186509-03-5 is a valid CAS Registry Number.
186509-03-5Relevant academic research and scientific papers
One-pot synthesis of 3-amino-4-aryl- and 3-amino-4-hetarylfurazans
Sheremetev
, p. 1057 - 1059 (2007/10/03)
A "one pot" method for the synthesis of 3-amino-4-aryl- and 3-amino-4-hetarylfurazans from β-aryl- and 4-β-hetaryl-β-oxo acid esters was developed.
