Varenicline Nitroso Impurity 4 CAS CATO-C1911208
| CAS No. | CATO-C1911208 |
| Molecular Formula | C13H10F3N3O5 |
| Molecular Weight | 345.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of Varenicline Nitroso Impurity 4 is closely related to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
Varenicline Nitroso Impurity 4 (CAS CATO-C1911208), molecular formula C13H10F3N3O5 and molecular weight 345.23 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Varenicline Nitroso Impurity 4 (C13H10F3N3O5) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 345.23 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures Varenicline Nitroso Impurity 4 under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C13H10F3N3O5 |
| Molecular Weight | 345.23 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Halogen Content | F-containing |
| Nitrogen Atoms | 3 |
Related Varenicline Standards
- Varenicline Metadinitro (CAS 853946-18-6)
- Varenicline Impurity 20 (CAS 230615-59-5)
- Varenicline Impurity 63 (CAS CATO-C4X-196263)
- Varenicline Impurity 65 (CAS 2306217-15-0)
- Varenicline Impurity 51 (CAS CATO-C4X-196251)
- Varenicline Impurity 50 (CAS CATO-C4X-196250)
- Varenicline Impurity 7 (CAS 357426-10-9)
- Varenicline Impurity 56 (CAS CATO-C4X-196256)
Recommended Standards
- N-(4-bromophenyl)-2-(3,4-dihydroquinolin-1(2H)-yl)acetamide (CAS 89474-17-9)
- 5-[(2,4-Dichlorophenyl)methyl]-2-phenylpyrimidine-4,6-diamine (CAS 338965-13-2)
- Daclatasvir Impurity 2 (CAS CATO-C4X-18482)
- 1-(4-Bromobenzoyl)-4-phenylpiperazine (CAS 339284-42-3)
- Ethyl 2-Bromo-5-(trifluoromethyl)cinnamate (CAS 1345484-78-7)
- Tert-butyl (S)-((4-acetylmorpholin-3-yl)methyl)carbamate (CAS 2381937-85-3)
- 6-Bromo-5-methoxypicolinimidamide hydrochloride (CAS 1179359-96-6)
- (2-Methyl-4-nitro-phenoxy)-acetic acid (CAS 1040078-99-6)
- 3-(Dimorpholinophosphoryl)benzo[d]oxazol-2(3H)-one (CAS 59349-95-0)
- 1-Methoxy-4-nitrobutane (CAS 2228909-67-7)
- 1-Cyclopropyl-2-iodo-3-methoxy-5-(trifluoromethyl)benzene (CAS 2913573-44-9)
- tert-Butyl 4-(3-chloro-2-formylphenyl)piperazine-1-carboxylate, 97% (CAS 1096535-48-6)
- 4-Amino-5-chloro-N,N-dimethylpyridine-3-sulfonamide (CAS 1352521-16-4)
- Semaglutide impurity 289 (CAS CATO-C4X-2226289)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com