3,5-Diiodoanthranilic acid
3,5-Diiodoanthranilic acid (CAS: 609-86-9) is a derivative of anthranilic acid with the molecular formula I2C6H2(NH2)CO2H and a molecular weight of 388.93 g/mol. This compound serves as a valuable building block in organic synthesis, particularly in the fields of chemical biology and peptide chemistry. Its utility extends to the creation of unnatural amino acid derivatives and in general chemical synthesis research.
- IUPAC
- 2-Amino-3,5-diiodobenzoic acid
- Synonyms
- I2C6H2(NH2)CO2H2-Amino-3,5-diiodobenzoic acid

Chemical Synthesis
Utilised as an intermediate and building block in the synthesis of complex organic molecules. Its diiodinated structure offers specific reactivity for further chemical transformations.
Peptide Chemistry
Incorporated into peptide chains to create modified or unnatural amino acids. These derivatives can be used to study protein structure, function, or to develop novel peptidomimetics.
Chemical Biology Research
Employed in the development of probes and tools for studying biological systems. The iodine substituents can be useful for labelling or for influencing molecular interactions.
Unnatural Amino Acid Synthesis
Serves as a precursor for synthesising non-proteinogenic amino acids. These unnatural variants are crucial for expanding the scope of protein engineering and drug discovery.
| Molecular weight | 388.93 |
|---|---|
| Linear formula | I2C6H2(NH2)CO2H |
| Assay | 99% |
| Melting point | 241-243 °C(lit.) |

Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-36/37/38 |
| Safety statements (S) | 26-37/39 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 3,5-Diiodoanthranilic acid used for?
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3,5-Diiodoanthranilic acid is used in chemical synthesis, peptide chemistry, chemical biology research, and the synthesis of unnatural amino acid derivatives.
What is the CAS number and formula for 3,5-Diiodoanthranilic acid?
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The CAS number for 3,5-Diiodoanthranilic acid is 609-86-9. The linear formula is I2C6H2(NH2)CO2H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3,5-Diiodoanthranilic acid with an assay of 99%. We do not represent this product as USP, BP, or EP grade.
How should 3,5-Diiodoanthranilic acid be handled safely?
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3,5-Diiodoanthranilic acid is classified as harmful if swallowed and causes skin, eye, and respiratory irritation. Handle with a dust mask (type N95), eyeshields, and gloves in a well-ventilated area. Avoid dust formation and inhalation. Refer to the Safety Data Sheet for detailed information.
Is 3,5-Diiodoanthranilic acid a controlled substance?
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Based on the provided data, 3,5-Diiodoanthranilic acid is not listed as a controlled substance. EC Number: 210-201-7.
How is 3,5-Diiodoanthranilic acid packed and exported?
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This product is carefully packed to meet international shipping standards and is available for export globally by Tech Serve Solutions.
How can I request a quote or sample?
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To request a quote or sample of 3,5-Diiodoanthranilic acid, please contact our sales department through the TSS website or by phone.
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