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Molekula

Molekula

2,3-Pyridinedicarboxylic anhydride (Quinolinic anhydride)

SKU 15025222 CAS 699-98-9 C7H3NO3 MW 149.10 In stock Bulk quantities on request

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.

Overview

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.

Pricing & pack sizes

Pack sizes & pricing

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.

  • 25 g £108.90 per pack

Need a different quantity or pack?

Tell us the quantity you actually need — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price, usually within one working day.

Prices exclude VAT/sales tax and shipping.

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
Molecular Formula C7H3NO3
Molecular Weight 149.10
SMILES C1=CC2=C(C(=O)OC2=O)N=C1
REACH Code Y113
TSCA Listed Yes
HTS Code 2934.99.39.00
Tariff Code 2934999090

Safety & GHS

Warning
  • GHS pictogram — Health Hazard 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

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

No alternate names recorded for this product.

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.

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