3-Nitro-2-(pyrrolidin-1-yl)benzoic acid CAS 890091-65-3
| CAS No. | 890091-65-3 |
| Molecular Formula | C11H12N2O4 |
| Molecular Weight | 236.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Nitro-2-(pyrrolidin-1-yl)benzoic acid (CAS 890091-65-3) is a high-purity analytical reference standard with the molecular formula C11H12N2O4 and a molecular weight of 236.22 g/mol.
Structurally, 3-Nitro-2-(pyrrolidin-1-yl)benzoic acid (C11H12N2O4) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 236.22 g/mol, it falls into the medium-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.
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.
As a certified reference material (CRM), 3-Nitro-2-(pyrrolidin-1-yl)benzoic acid 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 | C11H12N2O4 |
| Molecular Weight | 236.22 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 2 |
Related Nitro Standards
- 2-Nitro-5-(pyrrolidin-1-yl)benzoic acid (CAS 1000575-94-9)
- 4-Nitro-3-(pyrrolidin-1-yl)benzoic acid (CAS 1380099-54-6)
- 3-Nitro-5-[(pyrrolidin-1-yl)carbonyl]phenol (CAS 1394917-38-4)
- Methyl 6-nitro-3,4-dihydroquinoline-1(2H)-carboxylate (CAS 139525-74-9)
- 5-Nitro-2-(pyrrolidin-1-yl)benzoic acid (CAS 19555-48-7)
- 3-Nitro-4-(1-pyrrolidinyl)benzoic Acid (CAS 40832-81-3)
- 3-Nitro-7,8-dihydro-5H-spiro[quinoline-6,2'-[1,3]dioxolane] (CAS 881668-72-0)
- N-(2-nitro-4-(2-oxopropyl)phenyl)acetamide (CAS 855444-68-7)
Recommended Standards
- 3-Ethyl-7-hydroxy-1-oxo-1,3-dihydroisobenzofuran-4-yl acetate (CAS 88256-02-4)
- 3,5-Diacetamidobenzoic acid (CAS 7743-39-7)
- 3,4-Dihydro-8-hydroxy-3-methyl-1-oxo-1H-2-benzopyran-7-carboxylic Acid Methyl Ester (CAS 83769-04-4)
- 3-Oxobutyl furo[2,3-c]pyridazine-5-carboxylate (CAS 88793-59-3)
- 5-Methoxy-2,3-dimethylaniline (CAS 185208-05-3)
- N1-(4-Fluorobenzyl)-N2-((4-phenyltetrahydro-2H-pyran-4-yl)methyl)oxalamide (CAS 1091035-61-8)
- 2-Amino-N-(4-cyanobenzyl)-N-ethylacetamide (CAS 1353981-92-6)
- 1-(4-Chlorobenzyl)pyrrolidine (CAS 79089-35-3)
- N-Methyl-1-(3-(pyridin-4-yl)phenyl)methanamine hydrochloride (CAS 1261236-62-7)
- 5-Bromo-6-methyl-1,3-dihydro-2H-benzo[d]imidazol-2-one (CAS 634602-92-9)
- 1-(4-Chlorophenyl)-3-(4-methylbenzenesulfonyl)urea (CAS 3955-50-8)
- 3-{[(4-chlorophenyl)methyl]sulfanyl}-4-methyl-5-(4-methyl-2-phenyl-1,3-thiazol-5-yl)-4H-1,2,4-triazole (CAS 338760-21-7)
- 1-(2-((2,4-Dichlorophenyl)thio)-4-methylquinolin-3-yl)ethan-1-one (CAS 400076-26-8)
- Dulaglutide (CAS 923950-08-7)
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