2,5-Pyridinedicarboxylic acid
2,5-Pyridinedicarboxylic acid (CAS: 100-26-5) is a pyridine derivative with the molecular formula C7H5NO4 and a molecular weight of 167.12 g/mol. It serves as a valuable heterocyclic building block in chemical synthesis. Exhibiting an assay of 98%, this compound is integral for research and development, particularly in the creation of more complex organic molecules and potential pharmaceutical intermediates.
- IUPAC
- Isocinchomeronic acid
- Synonyms
- Isocinchomeronic acid

Organic Synthesis
Utilised as a key intermediate and building block in the synthesis of complex organic molecules, leveraging its pyridine ring structure.
Pharmaceutical Research
A crucial component in the development pathway for novel pharmaceutical agents and drug discovery programmes.
Material Science
Can be employed in the creation of novel polymers and coordination compounds due to its dicarboxylic acid functionality.
| Molecular weight | 167.12 |
|---|---|
| Empirical formula | C7H5NO4 |
| Assay | 98% |
| Melting point | 242-247 °C (dec.)(lit.) |

Hazard statements
- 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) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
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 2,5-Pyridinedicarboxylic acid primarily used for?
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2,5-Pyridinedicarboxylic acid is primarily used as a building block in organic synthesis and for pharmaceutical research.
What is the CAS number and formula for 2,5-Pyridinedicarboxylic acid?
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The CAS number is 100-26-5 and the empirical formula is C7H5NO4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2,5-Pyridinedicarboxylic acid with an assay of 98%. This is a technical/research grade and TSS does not represent it as USP, BP, or EP grade.
What are the safety and handling precautions for 2,5-Pyridinedicarboxylic acid?
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This compound is a warning hazard (GHS07), causing skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Appropriate personal protective equipment including a dust mask (type N95 US), eyeshields, and gloves should be used. Handle in a well-ventilated area.
Is 2,5-Pyridinedicarboxylic acid a controlled substance?
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The provided data does not indicate that 2,5-Pyridinedicarboxylic acid is a controlled substance.
How is 2,5-Pyridinedicarboxylic acid packed, shipped, and exported?
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2,5-Pyridinedicarboxylic acid is carefully packed according to international standards for chemical shipping and export.
How can I request a quote or sample of 2,5-Pyridinedicarboxylic acid?
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Please contact the Tech Serve Solutions sales team via our website or direct inquiry channels to request a quote or sample.
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