N-Nitroso Labetalol
Synonyms: N-Nitroso-Labetalol (Mixture of isomers) · 2-Hydroxy-5-(1-hydroxy-2-(nitroso(4-phenylbutan-2-yl)amino)ethyl)benzamide · 2-hydroxy-5-{1-hydroxy-2-[nitroso(4-phenylbutan-2-yl)amino]ethyl}benzamide · N-Nitroso Labetalol (Mixture of Diastereomers)
N-Nitroso Labetalol (CAS 2820170-74-7) – nitrosamine impurity reference standard. C19H23N3O4, MW 357.4. Request a quote: COA, bulk packs and worldwide export.
About N-Nitroso Labetalol
N-Nitroso Labetalol is a nitrosamine impurity of Labetalol carrying the CAS registry number 2820170-74-7. The compound has the formula C19H23N3O4, corresponding to a molecular weight of 357.4 g/mol. Its systematic (IUPAC) name is 2-hydroxy-5-[1-hydroxy-2-[nitroso(4-phenylbutan-2-yl)amino]ethyl]benzamide. It is also known as N-Nitroso-Labetalol (Mixture of isomers).
The product is provided as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.
Laboratories use this nitrosamine standard to develop and validate highly sensitive LC-MS/MS methods, to confirm limits of detection and to document nitrosamine risk assessments in regulatory submissions. It is used across pharmaceutical manufacturing and academic and industrial research.
We offer N-Nitroso Labetalol in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.
Typical applications
- Nitrosamine risk assessment
- Trace LC-MS/MS quantitation
- Method validation (AMV)
- Regulatory submissions
Industries
View every impurity, metabolite and intermediate we list for Labetalol.
Labetalol impuritiesSpecifications & identifiers
| Product name | N-Nitroso Labetalol |
|---|---|
| Catalogue No. | VQ-021245 |
| CAS Number | 2820170-74-7 |
| IUPAC name | 2-hydroxy-5-[1-hydroxy-2-[nitroso(4-phenylbutan-2-yl)amino]ethyl]benzamide |
| Molecular formula | C19H23N3O4 |
| Molecular weight | 357.4 g/mol |
| Exact mass | 357.1689 |
| Grade | Reference Standard |
| HSN code | 38229090 |
| InChIKey | KQZMONDKWBDGEU-UHFFFAOYSA-N |
| SMILES | CC(CCC1=CC=CC=C1)N(CC(C2=CC(=C(C=C2)O)C(=O)N)O)N=O |
| PubChem CID | 169441362 |
| Physical form | Solid |
|---|---|
| LogP (XLogP3) | 3.5 |
| H-bond donors / acceptors | 3 / 6 |
| TPSA | 116 Ų |
| Synonyms | N-Nitroso-Labetalol (Mixture of isomers), 2-Hydroxy-5-(1-hydroxy-2-(nitroso(4-phenylbutan-2-yl)amino)ethyl)benzamide, 2-hydroxy-5-{1-hydroxy-2-[nitroso(4-phenylbutan-2-yl)amino]ethyl}benzamide, N-Nitroso Labetalol (Mixture of Diastereomers), 2-Hydroxy-5-[1-hydroxy-2-[(1-methyl-3-phenylpropyl)nitrosoamino]ethyl]benzamide, Benzamide, 2-hydroxy-5-[1-hydroxy-2-[(1-methyl-3-phenylpropyl)nitrosoamino]ethyl]- |
Safety & hazard information (GHS)
Signal word: Warning
Hazard statements
H302Harmful if swallowedH312Harmful in contact with skinH315Causes skin irritationH319Causes serious eye irritationH332Harmful if inhaledH335May cause respiratory irritationH351Suspected of causing cancerH373May causes damage to organs through prolonged or repeated exposure
Precautionary statements: P203, P260, P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P317, P318, P319, P321, P330, 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 N-Nitroso Labetalol?
The CAS Registry Number of N-Nitroso Labetalol is 2820170-74-7. It is also known as N-Nitroso-Labetalol (Mixture of isomers), 2-Hydroxy-5-(1-hydroxy-2-(nitroso(4-phenylbutan-2-yl)amino)ethyl)benzamide, 2-hydroxy-5-{1-hydroxy-2-[nitroso(4-phenylbutan-2-yl)amino]ethyl}benzamide.
What is the molecular formula and molecular weight of N-Nitroso Labetalol?
N-Nitroso Labetalol has the molecular formula C19H23N3O4 and a molecular weight of 357.4 g/mol. Its IUPAC name is 2-hydroxy-5-[1-hydroxy-2-[nitroso(4-phenylbutan-2-yl)amino]ethyl]benzamide.
What is N-Nitroso Labetalol used for?
N-Nitroso Labetalol is supplied as a characterised reference material related to Labetalol. 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 N-Nitroso Labetalol can I order?
We supply N-Nitroso Labetalol 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 N-Nitroso Labetalol?
Yes. Every lot of N-Nitroso Labetalol 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 N-Nitroso Labetalol be shipped internationally?
Yes. N-Nitroso Labetalol 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 N-Nitroso Labetalol
We reply within one business day with price, pack options, lead time and documentation.