Molekula

Niacin - USP CRS

SKU 90038514 CAS 59-67-6 C6H5NO2 MW 123.11 Available on enquiry

Supplying 4,500+ customers in over 80 countries

ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Certificate of Analysis with every batch

Niacin (nicotinic acid) is a water-soluble B-vitamin essential for metabolic function, lipid regulation, and nutritional supplements. It is used to fortify flour, bread and other grain products, as a vitamin additive in animal feed, and in dietary supplements and pharmaceutical formulations. It appears as a white to off-white crystalline powder with a molecular formula of C6H5NO2, CAS number 59-67-6, and molecular weight of 123.11 g/mol. Stored at ambient conditions, it carries a warning for serious eye irritation (H319). Molekula supplies Niacin - USP CRS from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

This substance is available from Molekula on enquiry. Full specification, Safety Data Sheet and Certificate of Analysis documentation are provided with your quotation once our team confirms the grade and pack size you need.

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Overview

SKU: 90038514
CAS Number: 59-67-6
IUPAC Name: pyridine-3-carboxylic acid
EC Number: 200-441-0
Molecular Formula: C6H5NO2
Molecular Weight: 123.11
Exact Mass: 123.032
SMILES: C1=CC(=CN=C1)C(=O)O
InChIKey: PVNIIMVLHYAWGP-UHFFFAOYSA-N
InChI: InChI=1S/C6H5NO2/c8-6(9)5-2-1-3-7-4-5/h1-4H,(H,8,9)
PubChem CID: 938

Synonyms

3-Carboxypyridine
3-pyridinecarboxylic acid
Akotin
Apelagrin
Daskil
niacin
nicotinic acid
Pellagrin
Pyridine-3-carboxylic acid
wampocap

Literature values

Published physical properties of the substance, not batch specifications.

Appearance: Colorless needles
Odour: Odorless
Melting Point: 237 °C
Density: 1.473 g/cm³ at 25 °C
Water Solubility: 18 g/L at 20 °C
Solubility (other solvents): Slightly soluble in ethanol, ethyl ether
Vapour Pressure: 0.0000057 mmHg
pKa: pKa = 4.75 (at 25 °C)
log P (octanol/water): 0.36

Source: PubChem CID 938 (HSDB, Haz-Map, DrugBank)

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Frequently asked questions

What is Niacin (Nicotinic Acid) USP CRS primarily used for?

Niacin USP CRS is commonly used as a dietary supplement for vitamin B3, supporting metabolic function, skin health, and nerve function, and is also utilized in pharmaceutical formulations.

What is the chemical formula and molecular weight of Niacin USP CRS?

The chemical formula is C6H5NO2 with a molecular weight of 123.11 g/mol.

How should Niacin USP CRS be stored?

Store in a tightly sealed container at ambient temperature, away from moisture and direct sunlight.

What grade of Niacin is USP CRS, and how does it differ from other grades?

USP CRS (United States Pharmacopeia Certified Reference Standard) is a high-purity grade meeting strict pharmaceutical quality standards, suitable for analytical testing and pharmaceutical applications.

Can Molekula supply Niacin USP CRS in bulk quantities?

Yes, Molekula can supply Niacin USP CRS in bulk, with quantities tailored to meet your specific requirements—contact us for pricing and availability.

What documentation comes with an order of Niacin USP CRS?

Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS), and a Certificate of Origin for traceability and compliance.

Related products

Molekula has supplied fine chemicals and biochemicals since 2000 from ISO 9001:2015 and ISO 14001:2015 certified facilities. Every dispatched batch is logged with a batch number and matched to a Certificate of Analysis, and Safety Data Sheets are available in five languages.