20900-22-5 Usage
Structure
Brominated derivative of naphthalene with a bromine atom and an ethoxy group attached to the 4-position of the naphthalene ring
Usage
Reagent in organic synthesis, building block for the synthesis of various pharmaceutical and agrochemical compounds
Properties
Aromatic
Handling precautions
Potentially hazardous if not properly handled and stored.
Check Digit Verification of cas no
The CAS Registry Mumber 20900-22-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,9,0 and 0 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 20900-22:
(7*2)+(6*0)+(5*9)+(4*0)+(3*0)+(2*2)+(1*2)=65
65 % 10 = 5
So 20900-22-5 is a valid CAS Registry Number.
20900-22-5Relevant articles and documents
Facile synthesis of lipophilic δ-amino acid conjugates from 4-alkoxy-dithionaphthoic acids
Worth, Anna C.,Needham, Catherine E.,Franklin, Donald B.,Lampkins, Andrew J.
experimental part, p. 2694 - 2706 (2012/07/28)
(Chemical Equation Presented) Novel 4-alkoxy-dithionaphthoic acids were prepared and shown to be valuable synthons for δ-amino acid conjugates. These dithioacids are efficiently synthesized and purified, stable to storage, and easily derivatized to facilitate thioacylation chemistry. To this end, we have demonstrated dithionaphthoic acids (6) to successfully undergo coupling with both protected and unprotected amino acids, giving rise to stable thioamide conjugates (8 and 9). Copyright Taylor & Francis Group, LLC.
