84352-59-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 84352-59-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,4,3,5 and 2 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 84352-59:
(7*8)+(6*4)+(5*3)+(4*5)+(3*2)+(2*5)+(1*9)=140
140 % 10 = 0
So 84352-59-0 is a valid CAS Registry Number.
84352-59-0Relevant articles and documents
Application of the Smiles Rearrangement to the Synthesis of 5,7-Disubstituted Xanthone-2-carboxylic Acids
Pfister, Juerg R.
, p. 1255 - 1256 (2007/10/02)
The depside-like esters 3a and 3b underwent a Smiles rearrangement on treatment with base.The resulting diphenyl ethers 4a and 4b were converted into the xanthonecarboxylic acids 6a and 6b which are not readily accessible by other routes.
