178244-38-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 178244-38-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,8,2,4 and 4 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 178244-38:
(8*1)+(7*7)+(6*8)+(5*2)+(4*4)+(3*4)+(2*3)+(1*8)=157
157 % 10 = 7
So 178244-38-7 is a valid CAS Registry Number.
178244-38-7Relevant articles and documents
N-Acetyl-N-acyl-3-aminoquinazolinones as chemoselective acetylating agents
Atkinson, Robert S.,Barker, Emma,Sutcliffe, Michael J.
, p. 1051 - 1052 (1996)
The title compounds, e.g. 3, are highly selective acetylating agents for primary amines in the presence of secondary amines and, in particular, for the less sterically hindered of two different secondary amines.