Molekula
2,3-Pyridinedicarboxylic anhydride (Quinolinic anhydride)
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
2,3-Pyridinedicarboxylic anhydride, also known as quinolinic anhydride, is a heterocyclic anhydride used in organic synthesis, particularly in the preparation of pharmaceuticals and agrochemicals. It is a white to off-white crystalline solid with a molecular formula of C7H3NO3 and a molecular weight of 149.10 g/mol. It is stable at ambient temperatures and should be stored under dry conditions. The substance is classified as a warning hazard due to its reactivity. Molekula supplies 2,3-Pyridinedicarboxylic anhydride from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
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25 g — $206.90 per pack
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Specifications
| Property | Value |
|---|---|
| Appearance | Off-white to light brown crystalline powder |
| Loss on Drying | ≤0.5% |
| Assay | ≥98.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 15025222 |
| CAS Number | 699-98-9 |
| IUPAC Name | furo[3,4-b]pyridine-5,7-dione |
| EC Number | 211-834-1 |
| Molecular Formula | C7H3NO3 |
| Molecular Weight | 149.10 |
| Exact Mass | 149.0113 |
| SMILES | C1=CC2=C(C(=O)OC2=O)N=C1 |
| InChIKey | MCQOWYALZVKMAR-UHFFFAOYSA-N |
| InChI | InChI=1S/C7H3NO3/c9-6-4-2-1-3-8-5(4)7(10)11-6/h1-3H |
| PubChem CID | 69688 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 2934.99.39.00 |
| Tariff Code | 2934999090 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- 2,3-pyridinedicarboxylic acid anhydride
- 2,3-Pyridinedicarboxylic anhydride
- 5H,7H-furo[3,4-b]pyridine-5,7-dione
- furano[3,4-b]pyridine-5,7-dione
- Furo[3,4-b]pyridine-5,7-dione
- MCQOWYALZVKMAR-UHFFFAOYSA-N
- Pyridine-2,3-dicarboxylic anhydride
- PYRIDINIC ANHYDRIDE
- quinolinic acid anhydride
- Quinolinic anhydride
Frequently asked questions
What is 2,3-Pyridinedicarboxylic anhydride used for?
It is primarily used as a reagent in organic synthesis, particularly in the preparation of pyridine derivatives and as a building block in pharmaceutical and agrochemical research.
What is the chemical formula and molecular weight?
The formula is C7H3NO3 with a molecular weight of 149.10 g/mol.
How should this compound be stored?
Store at ambient temperature in a dry, well-ventilated area away from moisture and incompatible materials.
What grade is available?
Available in technical grade; custom purity options may be available upon request.
Can Molekula supply this in bulk?
Yes, bulk quantities are available—please contact our sales team for pricing and availability.
What documentation comes with the order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS); additional documentation can be provided upon request.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.