N-Nitroso Piroxicam Impurity 9 CAS 16219-98-0
| CAS No. | 16219-98-0 |
| Molecular Formula | C6H7N3O |
| Molecular Weight | 137.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C6H7N3O, N-Nitroso Piroxicam Impurity 9 contains an amide group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 137.14 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
N-Nitroso Piroxicam Impurity 9 (CAS 16219-98-0) is a high-purity analytical reference standard with the molecular formula C6H7N3O and a molecular weight of 137.14 g/mol.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), N-Nitroso Piroxicam Impurity 9 meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C6H7N3O |
| Molecular Weight | 137.14 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1961 |
| Nitrogen Atoms | 3 |
Related N Standards
- 1-Nitroso-1-Phenylhydrazine (CAS 614-01-7)
- p-Nitroso-m-cresol (CAS 615-01-0)
- N-Nitroso Saxagliptin Intermediate (CAS CATO-C4X-104963)
- N-Nitroso-N-Methylaniline (CAS 614-00-6)
- N-Nitroso-N-methyl-3-aminopropionic Acid-d3 (CAS 1215691-18-1)
- 2-Nitroso-2,3-dihydro-1H-inden-1-one (CAS 4747-13-1)
- N-Nitroso-Diethanolamine (CAS 1116-54-7)
- N-Nitroso-N-Allyl-3-Buten-1-Amine (CAS 54746-50-8)
Recommended Standards
- 4-Acetyl-1H-pyrrole-2-carbaldehyde (CAS 16168-92-6)
- 3-Amino-4-hydroxybenzaldehyde (CAS 163036-58-6)
- N-(Pyrimidin-4-yl)acetamide (CAS 16166-22-6)
- 6,7-Dihydro-3H-pyrrolo[2,3-d]pyrimidin-4(5H)-one (CAS 16372-07-9)
- 2-[(2,2,2-trifluoroethyl)sulfanyl]ethan-1-amine hydrochloride (CAS 1427380-05-9)
- 4-(Carboxymethyl)-2-(methylthio)pyrimidine-5-carboxylic acid (CAS 2763157-29-3)
- (1-(Methylsulfonyl)-1H-benzo[d]imidazol-2-yl)methanol (CAS 43215-15-2)
- Imipenem Impurity 114 (CAS CATO-C4X-1662114)
- Clobetasone Butyrate EP Impurity F (CAS 25120-98-3)
- 1-[(4-Methylphenyl)methyl]-1h-pyrazol-3-amine (CAS 492426-22-9)
- 2-Hydroxy-N,N,N-trimethylethan-1-aminium (S)--2-hydroxypropanoate (CAS 888724-51-4)
- n-((1,2,3-Thiadiazol-4-yl)methyl)-1-cyclopropylmethanamine (CAS 1156894-40-4)
- Methyl (E)-2-(7-methoxynaphthalen-2-yl)diazene-1-carboxylate (CAS 2138504-52-4)
- Tirzepatide Impurity 25 X TFA Salt (CAS CATO-C4X-324025)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com