The store will not work correctly when cookies are disabled.
JavaScript seems to be disabled in your browser. For the best experience on our site, be sure to turn on Javascript in your browser.
· · COA & SDS available for every product · Same-day shipping on in-stock items 4,4'-Diamino-[1,1'-biphenyl]-3,3'-dicarboxylic acid - ≥97% , CAS No.2130-56-5 🧪
Why this grade ≥97% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
🌡
Storage & shipping Room temperature Ships Check lot-specific COA for exact specifications.
📋
Quality documents SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
📚
Literature proof Cited in 1 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
Specifications Specifications & Purity
≥97%
Names and Identifiers Canonical Smiles C1=CC(=C(C=C1C2=CC(=C(C=C2)N)C(=O)O)C(=O)O)N IUPAC Name 2-amino-5-(4-amino-3-carboxyphenyl)benzoic acid InChIKey IIQLVLWFQUUZII-UHFFFAOYSA-N INCHI 1S/C14H12N2O4/c15-11-3-1-7(5-9(11)13(17)18)8-2-4-12(16)10(6-8)14(19)20/h1-6H,15-16H2,(H,17,18)(H,19,20) Isomeric SMILES C1=CC(=C(C=C1C2=CC(=C(C=C2)N)C(=O)O)C(=O)O)N Alternate CAS 2130-56-5 PubChem CID 16475 Molecular Weight 272.26
Documentation 📋 Safety Data Sheet (SDS) Comprehensive hazard, handling, storage, and regulatory compliance document.
Download SDS → ✅ Certificate of Analysis (COA) Lot-specific quality data. Enter your lot number to retrieve the exact COA.
Look up COA → 📊 Datasheet Quick-reference summary of product specifications and applications.
View datasheet → 🔬 Specification Sheet Full quality attributes and acceptance criteria for this grade.
View spec sheet →
Advanced Data Taxonomic Classification Kingdom Organic compounds Superclass Benzenoids Class Benzene and substituted derivatives Subclass Biphenyls and derivatives Intermediate Tree Nodes Benzidines Direct Parent 3,3'-disubstituted benzidines Alternative Parents Aminobenzoic acids Benzoic acids Benzoyl derivatives Aniline and substituted anilines Dicarboxylic acids and derivatives Vinylogous amides Amino acids Carboxylic acids Primary amines Organopnictogen compounds Organooxygen compounds Organic oxides Hydrocarbon derivatives Molecular Framework Aromatic homomonocyclic compounds Substituents 3,3'-disubstituted benzidine - Aminobenzoic acid - Aminobenzoic acid or derivatives - Benzoic acid or derivatives - Benzoic acid - Aniline or substituted anilines - Benzoyl - Dicarboxylic acid or derivatives - Vinylogous amide - Amino acid - Amino acid or derivatives - Carboxylic acid derivative - Carboxylic acid - Organic oxide - Organonitrogen compound - Organooxygen compound - Primary amine - Organopnictogen compound - Amine - Organic oxygen compound - Organic nitrogen compound - Hydrocarbon derivative - Aromatic homomonocyclic compound Description This compound belongs to the class of organic compounds known as 3,3'-disubstituted benzidines. These are organic compounds containing a benzidine skeleton, which is substituted only at the 3- and 3'-positions. External Descriptors Not available Data sources 1. Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS. ClassyFire: Automated Chemical Classification With A Comprehensive, Computable Taxonomy. Journal of Cheminformatics, 2016, 8:61.
3D Structure Associated Targets(Human) Associated Targets(non-human) Mechanisms of Action Certificates（CoA,COO,BSE/TSE and Analysis Chart) Chemical and Physical Properties Molecular Weight 272.260 g/mol XLogP3 2.300 Hydrogen Bond Donor Count 4 Hydrogen Bond Acceptor Count 6 Rotatable Bond Count 3 Exact Mass 272.08 Da Monoisotopic Mass 272.08 Da Topological Polar Surface Area 127.000 Ų Heavy Atom Count 20 Formal Charge 0 Complexity 351.000 Isotope Atom Count 0 Defined Atom Stereocenter Count 0 Undefined Atom Stereocenter Count 0 Defined Bond Stereocenter Count 0 Undefined Bond Stereocenter Count 0 The total count of all stereochemical bonds 0 Covalently-Bonded Unit Count 1
Citations of This Product References 1. Yingfei Hui, Hao Guo, Rui Xue, Mingyue Wang, Yanyan Ma, Dengke Zhuang, Wu Yang. (2025) A ratiometric fluorescent sensor based on Eu3 + -β-diketone functionalized covalent organic framework hybrid material-loaded in electrospun polyvinylidene fluoride film for ultra-sensitive and rapid detection of glyphosate. JOURNAL OF HAZARDOUS MATERIALS, [PMID:40628206 ] [10.1016/j.jhazmat.2025.139137 ]
Solution Calculators Molarity Calculator Determine the necessary mass, volume, or concentration for preparing a solution.
Dilution Calculator Determine the dilution needed to prepare a stock solution.
Reconstitution Calculator Reviews
We use cookies to ensure the website functions properly and, where permitted, to improve your experience. You can manage your preferences at any time in Settings. Learn more in our
Cookie Policy. Settings Agree All Decline
Shall we send you a message when we have discounts available?
Remind me later Allow
Thank you! Please check your email inbox to confirm.
Oops! Notifications are disabled.
Products are supplied to verified businesses, institutions, and qualified professionals for research and development use only. Not for use in humans, animals, diagnosis, or therapy.
Copyright © 2023–present Aladdin Scientific Corp. All rights reserved.
D2623510
![4,4'-Diamino-[1,1'-biphenyl]-3,3'-dicarboxylic acid - ≥97% CAS No(2130-56-5) by Aladdin Scientific](https://www.aladdinsci.com/media/catalog/product/cache/207e23213cf636ccdef205098cf3c8a3/D/6/D693620.jpg)