344868-28-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 344868-28-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,4,8,6 and 8 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 344868-28:
(8*3)+(7*4)+(6*4)+(5*8)+(4*6)+(3*8)+(2*2)+(1*8)=176
176 % 10 = 6
So 344868-28-6 is a valid CAS Registry Number.
344868-28-6Relevant articles and documents
Halogenation and Nitration of 3-Acyl-5-hydroxy(acetoxy)benzofurans
Grinev, A. N.,Mukhanova, T. I.,Zinov'eva, R. A.,Alekseeva, L. M.
, p. 1044 - 1046 (2007/10/02)
Depending on the reaction conditions, the bromination of 3-acyl-5-hydroxybenzofurans leads to 4-bromo- and 4,6-dibromo derivatives, whereas chlorination leads to replacement of the hydrogen atom in the 4 position.As in the nitration of 3-acyl-5-hydroxyben
