(3-Cyano-5-nitrophenyl)boronic acid CAS 913835-33-3
| CAS No. | 913835-33-3 |
| Molecular Formula | C7H5BN2O4 |
| Molecular Weight | 191.94 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(3-Cyano-5-nitrophenyl)boronic acid (CAS 913835-33-3) is a high-purity analytical reference standard with the molecular formula C7H5BN2O4 and a molecular weight of 191.94 g/mol.
Based on its molecular formula C7H5BN2O4, (3-Cyano-5-nitrophenyl)boronic acid contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 191.94 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).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures (3-Cyano-5-nitrophenyl)boronic acid 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 | C7H5BN2O4 |
| Molecular Weight | 191.94 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 2 |
Related Cyano Standards
- (4-Cyano-2-nitrophenyl)boronic acid (CAS 850568-46-6)
- 2-CYANO-5-BROMOTHIOPHENE 2160-62-5 5-BROMO-2-THIOPHENECARBOXYLIC ACID, NITRILE 5-BROMOTHIOPHEN-2-CARBONITRILE 5-BROMOTHIOPHENE-2-CARBONITRILE BC003806 (CAS 2160-62-5)
- 5-Cyano-2-nitrobenzoic acid (CAS 1147107-28-5)
- 2-Cyano-3-nitrobenzoic acid (CAS 1260834-31-8)
- 2-Cyano-4-nitrobenzoic acid (CAS 126388-92-9)
- 3-Cyano-4-nitrobenzoic acid (CAS 1350540-03-2)
- 4-Cyano-3-nitrobenzoic Acid (CAS 153775-42-9)
- 2-Cyano-5-nitrobenzoic acid (CAS 774227-60-0)
Recommended Standards
- 13444-71-8 CHEBI:29149 HIO4 HOIO3 Periodsaeure Ueberiodsaeure [IO3(OH)] hydrogen tetraoxoiodate hydroxidotrioxidoiodine hydroxy-lambda(7)-iodanetrione periodic acid tetraoxoiodic acid (CAS 13444-71-8)
- (5-(Trifluoromethyl)pyrimidin-2-yl)boronic acid (CAS 2053636-31-8)
- (8-Fluoroquinoxalin-6-yl)boronic acid (CAS 1248622-60-7)
- (2-(Trifluoromethyl)pyrimidin-4-yl)boronic acid (CAS 1439366-13-8)
- 2-Phenoxynicotinimidamide (CAS 1016800-57-9)
- 4-(Pyridin-3-yl)benzene-1,2-diamine (CAS 445012-62-4)
- 4,6-Dimethylisoxazolo[3,4-b]pyridin-3-amine (CAS 670246-33-0)
- 5,6-Dihydrothieno[2,3-d]pyridazine-4,7-dione (CAS 91533-21-0)
- 1-((4-Methoxybenzyl)amino)-2-methylpropan-2-ol (CAS 1183481-67-5)
- 3-(4-aminophenoxy)propanoic acid (CAS 350699-65-9)
- 2-(2-Chlorophenyl)-n-(3-hydroxypropyl)acetamide (CAS 1156897-71-0)
- 1-(1-((4-Chlorophenyl)sulfonyl)piperidin-4-yl)-3-isopropylurea (CAS 478047-68-6)
- Spiro[3.5]nonan-7-ylmethanol (CAS 1082373-80-5)
- Tirzepatide Impurity 38 (CAS CATO-C4X-324038)
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