Worldwide shipping · 120+ destinationsCOA & GHS SDS with every lotMon–Sat, 09:30–18:30 IST
VAQORACHEMICALS
Pharmacopeial Impurities (EP / USP / BP)Reference StandardAvailable on request

Nicotinic Acid EP Impurity D

Synonyms: 2,5-Pyridinedicarboxylic Acid · Isocinchomeronic acid · Nicotinic Acid - Impurity D · 2,5-PDC

CAS No.100-26-5
FormulaC7H5NO4
Mol. weight167.12
Catalogue No.VQ-026897
PurityReference Standard
HSN38229090

Nicotinic Acid EP Impurity D (CAS 100-26-5) – Niacin impurity standard. C7H5NO4, MW 167.12. Buy from Vaqora Chemicals with COA and worldwide shipping.

Pack sizesPrice on quotation · bulk available
10 mg
25 mg
50 mg
100 mg
Bulk / custom pack · kg to MT
Enquire
Enquire
Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing

About Nicotinic Acid EP Impurity D

Listed under CAS 100-26-5, Nicotinic Acid EP Impurity D is a pharmacopeial impurity of Niacin available from Vaqora Chemicals. The compound has the formula C7H5NO4, corresponding to a molecular weight of 167.12 g/mol. The IUPAC name is pyridine-2,5-dicarboxylic acid. Alternative names: 2,5-Pyridinedicarboxylic Acid and Isocinchomeronic acid.

It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. It carries the GHS signal word “Warning” with 3 hazard statements. Review the Safety Data Sheet before use.

This Niacin impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Nicotinic Acid EP Impurity D is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

  • Pharmacopeial method verification
  • Impurity profiling
  • QC release testing
  • ANDA / DMF filings

Industries

Related to Niacin

View every impurity, metabolite and intermediate we list for Niacin.

Niacin impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product nameNicotinic Acid EP Impurity D
Catalogue No.VQ-026897
CAS Number100-26-5
IUPAC namepyridine-2,5-dicarboxylic acid
Molecular formulaC7H5NO4
Molecular weight167.12 g/mol
Exact mass167.0219
GradeReference Standard
HSN code38229090
InChIKeyLVPMIMZXDYBCDF-UHFFFAOYSA-N
SMILESC1=CC(=NC=C1C(=O)O)C(=O)O
PubChem CID7493
Physical properties
Physical formSolid
LogP (XLogP3)0.2
H-bond donors / acceptors2 / 5
TPSA87.5 Ų
Synonyms2,5-Pyridinedicarboxylic Acid, Isocinchomeronic acid, Nicotinic Acid - Impurity D, 2,5-PDC, Pyridinedicarboxylic acid-(2,5), 6-carboxy-nicotinic acid, pyridine carboxylate, 6b, Pyridine 2,5-dicarboxylate, 2,5-Dicarboxy-pyridine, Pyridine 2,5-dicarboxylic acid

Safety & hazard information (GHS)

GHS07 Harmful / irritant
Harmful / irritant

Signal word: Warning

Hazard statements

  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Frequently asked questions

What is the CAS number of Nicotinic Acid EP Impurity D?

The CAS Registry Number of Nicotinic Acid EP Impurity D is 100-26-5. It is also known as 2,5-Pyridinedicarboxylic Acid, Isocinchomeronic acid, Nicotinic Acid - Impurity D.

What is the molecular formula and molecular weight of Nicotinic Acid EP Impurity D?

Nicotinic Acid EP Impurity D has the molecular formula C7H5NO4 and a molecular weight of 167.12 g/mol. Its IUPAC name is pyridine-2,5-dicarboxylic acid.

What is Nicotinic Acid EP Impurity D used for?

Nicotinic Acid EP Impurity D is supplied as a characterised reference material related to Niacin. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Nicotinic Acid EP Impurity D can I order?

We supply Nicotinic Acid EP Impurity D in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Nicotinic Acid EP Impurity D?

Yes. Every lot of Nicotinic Acid EP Impurity D is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Nicotinic Acid EP Impurity D be shipped internationally?

Yes. Nicotinic Acid EP Impurity D is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.

Enquire about Nicotinic Acid EP Impurity D

We reply within one business day with price, pack options, lead time and documentation.

By submitting you agree to our privacy policy. We never share your details.

Why buyers choose Vaqora

  • Batch-traceable lots with COA
  • R&D packs to multi-tonne supply
  • IATA / IMDG dangerous-goods packing
  • EXW, FOB, CIF, DAP Incoterms
  • Custom synthesis & sourcing
How ordering works

Related products

More in Pharmacopeial Impurities (EP / USP / BP) →