Molekula
Niacinamide-N-oxide
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Niacinamide-N-oxide is a nitrogen-containing organic compound and a metabolite of nicotinamide, used as a reference standard for impurity testing of nicotinamide (Nicotinamide EP Impurity E) and as a biochemical in research. It functions as a source of niacin in biochemical pathways and is valued for its stability and solubility. Available with CAS number 1986-81-8, molecular formula C6H6N2O2, and molecular weight 138.13 g/mol, it is stored at ambient temperatures. This compound carries a warning signal word due to potential health hazards. Molekula supplies Niacinamide-N-oxide 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
On backorder — expected to ship by 25 November 2026
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.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
-
25 g — £46.40 per pack ex VAT · £55.68 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | white solid |
| Melting Point | 291-293 ºC (dec.) (lit.) |
| Assay | ≥98% |
| Residue on Ignition | ≤0.5% |
| Moisture | ≤0.5% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Acid |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Melting Point | 289 - 293 °C |
Source: PubChem CID 72661 (Human Metabolome Database (HMDB))
Identification
| Property | Value |
|---|---|
| SKU | 37334310 |
| CAS Number | 1986-81-8 |
| IUPAC Name | 1-oxidopyridin-1-ium-3-carboxamide |
| Molecular Formula | C6H6N2O2 |
| Molecular Weight | 138.13 |
| Exact Mass | 138.0429 |
| SMILES | C1=CC(=C[N+](=C1)[O-])C(=O)N |
| InChIKey | USSFUVKEHXDAPM-UHFFFAOYSA-N |
| InChI | InChI=1S/C6H6N2O2/c7-6(9)5-2-1-3-8(10)4-5/h1-4H,(H2,7,9) |
| PubChem CID | 72661 |
| REACH Code | Y113 |
| Tariff Code | 2933399990 |
Safety & GHS
-
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
- P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
- 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.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
Synonyms
- 1-oxide-nicotinamide
- 1-oxidopyridin-1-ium-3-carboxamide
- 1-Oxy-nicotinamide
- 3-carbamoylpyridin-1-ium-1-olate
- 3-Carbamoylpyridine 1-oxide
- 3-Pyridinecarboxamide, 1-oxide
- Nicotinamide N-oxide
- Nicotinamide N1-oxide
- Nicotinamide, 1-oxide
Frequently asked questions
What is Niacinamide-N-oxide used for?
Niacinamide-N-oxide is primarily used as a reagent in organic synthesis, particularly in the preparation of niacin derivatives and as an intermediate in pharmaceutical research.
What is the chemical formula and molecular weight of Niacinamide-N-oxide?
The chemical formula is C6H6N2O2, and the molecular weight is 138.13 g/mol.
How should Niacinamide-N-oxide be stored?
It should be stored at ambient temperature, protected from moisture and light.
What grade of Niacinamide-N-oxide is available?
Molekula supplies Niacinamide-N-oxide in research grade.
Can Molekula supply Niacinamide-N-oxide in bulk?
Yes, Molekula can supply Niacinamide-N-oxide in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with an order of Niacinamide-N-oxide?
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.