Niacinamide
USP/1462006 - United States Pharmacopeia (USP) Reference Standard
Synonym: Nicotinamide; Niacinamide; Nicotinic acid amide; Pyridine-
CAS Number: 98-92-0
Empirical Formula (Hill Notation): C6H6N2O
Molecular Weight: 122.12
MDL Number: MFCD00006395
Linear Formula: C6H6N2O
Product Type: Chemical
| API family | nicotinamide |
| application(s) | pharmaceutical (small molecule) |
| format | neat |
| grade | pharmaceutical primary standard |
| InChI | 1S/C6H6N2O/c7-6(9)5-2-1-3 |
| InChI key | DFPAKSUCGFBDDF-UHFFFAOYSA |
| manufacturer/tradename | USP |
| mp | 128-131 °C (lit.) |
| SMILES string | NC(=O)c1cccnc1 |
| storage temp. | 2-8°C |
| Analysis Note: | These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind. |
| Application: | Niacinamide USP reference standard for use in specified quality tests and assays. Also used to prepare standard, Niacin standard solution, standard niacinamide stock solution, and sample solution for assay, performance, and strength analysis according to the given below monographs and general chapters of United States Pharmacopeia (USP): • Niacinamide • Niacinamide Tablets • Niacinamide Injection • 〈441〉 Niacin or Niacinamide Assay |
| Biochem/physiol Actions: | Nicotinamide is an amide derivative of vitamin B3 and a PARP inhibitor |
| General description: | This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia. For further information and support please go to the website of the issuing Pharmacopoeia ![]() |
| Other Notes: | Sales restrictions may apply. |
| Symbol | GHS07 |
| Signal word | Warning |
| Hazard statements | H319 |
| Precautionary statements | P305 + P351 + P338 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 1 |
| Flash Point(F) | 359.6 °F |
| Flash Point(C) | 182 °C |
| mp | 128-131 °C (lit.) |
| Storage Temp. | 2-8°C |
| UNSPSC | 41116107 |


