Compound Q&A
What are the main uses of 2-Hydroxy-5-[(E)-2-(4-nitrophenyl)diazen-1-yl]benzoic acid (CAS: 2243-76-7)?
Answer
![2-Hydroxy-5-[(E)-2-(4-nitrophenyl)diazen-1-yl]benzoic acid](https://static.chemtradehub.com/structs/224/2243-76-7-ec6a.webp "2-Hydroxy-5-[(E)-2-(4-nitrophenyl)diazen-1-yl]benzoic acid")
This compound is primarily used in the pharmaceutical industry as an intermediate for the synthesis of other drugs. It also has applications in the analytical chemistry field for the development of chromogenic reagents and in research for its reactivity with various functional groups.
About
CAS No
2243-76-7
English Name
2-Hydroxy-5-[(E)-2-(4-nitrophenyl)diazen-1-yl]benzoic acid
Molecular Formula
C13H9N3O5
Molecular Weight
287.23 g/mol
SMILES
C1=CC(=CC=C1N=NC2=CC(=C(C=C2)O)C(=O)O)[N+](=O)[O-]
InChIKey
YVJPMMYYRNHJAU-UHFFFAOYSA-N
Last Updated: 2025-09-04 23:41
![2-Hydroxy-5-[(E)-2-(4-nitrophenyl)diazen-1-yl]benzoic acid — Guangdong Wanzhang Chemical Reagent Co., Ltd.](https://static.chemtradehub.com/suppliers/67ce43292b2de6e8e95a42fd/67ce43292b2de6e8e95a42fd-logo.webp){kind=logo}
![2-Hydroxy-5-[(E)-2-(4-nitrophenyl)diazen-1-yl]benzoic acid — Shanghai Yuyeh Biotechnology Co., Ltd.](https://static.chemtradehub.com/suppliers/67ce9f132b2de6e8e95a48fe/67ce9f132b2de6e8e95a48fe-logo.webp){kind=logo}
![2-Hydroxy-5-[(E)-2-(4-nitrophenyl)diazen-1-yl]benzoic acid — Shanghai Yinxin Laboratory Equipment Co., Ltd.](https://static.chemtradehub.com/suppliers/67cdd97a57537e5c8069adfb/67cdd97a57537e5c8069adfb-logo.webp){kind=logo}