404597-41-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 404597-41-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,4,5,9 and 7 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 404597-41:
(8*4)+(7*0)+(6*4)+(5*5)+(4*9)+(3*7)+(2*4)+(1*1)=147
147 % 10 = 7
So 404597-41-7 is a valid CAS Registry Number.
404597-41-7Relevant articles and documents
Triflic anhydride-mediated synthesis of oxazoles
Thalhammer, Armin,Mecinovi?, Jasmin,Schofield, Christopher J.
supporting information; experimental part, p. 1045 - 1047 (2009/05/31)
N-Acyl amino acid esters undergo triflic anhydride-mediated cyclodehydration to form oxazoles and bisoxazoles in a simple one-pot transformation.
