400642-09-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 400642-09-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,0,6,4 and 2 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 400642-09:
(8*4)+(7*0)+(6*0)+(5*6)+(4*4)+(3*2)+(2*0)+(1*9)=93
93 % 10 = 3
So 400642-09-3 is a valid CAS Registry Number.
400642-09-3Relevant articles and documents
Synthesis and characterization of imidazole-substituted calix[4]arenes as simple enzyme-mimics with acyltransferase activity
Dospil, Günter,Schatz, Jürgen
, p. 7837 - 7840 (2001)
Calix[4]arenes which bear imidazole groups at different positions at the wide rim act as catalysts for enzyme-like release of p-nitrophenol from p-nitrophenyl esters in buffered solution.