3-Chloro-6-methyl-2-nitroaniline CAS 13852-53-4
| CAS No. | 13852-53-4 |
| Molecular Formula | C7H7ClN2O2 |
| Molecular Weight | 186.60 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 3-Chloro-6-methyl-2-nitroaniline 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.
3-Chloro-6-methyl-2-nitroaniline (CAS 13852-53-4), molecular formula C7H7ClN2O2 and molecular weight 186.60 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 3-Chloro-6-methyl-2-nitroaniline (C7H7ClN2O2) contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 186.60 g/mol, it falls into the medium-molecular-weight range. 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.
Physical & Chemical Properties
| Molecular Formula | C7H7ClN2O2 |
| Molecular Weight | 186.60 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1960 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Chloro Standards
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- 2-Chloro-4-ethyl-5-nitropyridine (CAS 101251-13-2)
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Recommended Standards
- 5-Chloro-2-methyl-4-nitroaniline (CAS 13852-51-2)
- 4-Amino-3-chloropicolinic Acid Methyl Ester (CAS 1391052-60-0)
- 2-Chloro-4-methoxynicotinamide (CAS 1378819-58-9)
- 6-Chloro-4-methoxypicolinamide (CAS 1393486-28-6)
- 4-Formyl-2-methoxyphenyl 4-methylbenzoate (CAS 429621-85-2)
- 2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(2-bromophenyl)propanoic acid (CAS 1105045-64-4)
- Pyrrolidin-1-yl(4-(trifluoromethyl)phenyl)methanone (CAS 447431-60-9)
- Tert-butyl 2-(N'-benzyl-N-(2,2,2-trifluoroethyl)carbamimidoyl)hydrazine-1-carboxylate (CAS 1053657-16-1)
- Methyl 2-(3-butanamido-4-hydroxyphenyl)acetate (CAS 900019-91-2)
- 2-((3'-Fluoro-3-methyl-[2,4'-bipyridin]-5-yl)amino)-5-methylbenzoic acid (CAS 1119086-81-5)
- Bis(4-(4-aminophenoxy)phenyl)methanone (CAS 30184-96-4)
- 4-Chloro-6-methoxy-3-(1H)indazole carboxaldehyde (CAS 885520-41-2)
- 1-(2-Bromo-3-nitrophenyl)ethanone (CAS 135007-62-4)
- Tirzepatide Impurity 14 (CAS CATO-C4X-324014)
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