75817-34-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 75817-34-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,8,1 and 7 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 75817-34:
(7*7)+(6*5)+(5*8)+(4*1)+(3*7)+(2*3)+(1*4)=154
154 % 10 = 4
So 75817-34-4 is a valid CAS Registry Number.
75817-34-4Relevant academic research and scientific papers
THE FRIES REARRANGEMENT OF BENZOATES OF 3-HYDROXY-6,7-DIMETHOXYCOUMARIN
Box, Vernon G. S.,Jackson, Yvette A.
, p. 1265 - 1267 (2007/10/02)
The Fries rearrangement of benzoates of 3-hydroxy-6,7-dimethoxycoumarin lead to intermediates suitable for benzopyranbenzopyran syntheses.The synthesis of a 11-chloro-6a,12a-dehydro-benzopyranbenzopyran-6,12-dione is described.
