2-Methyl-6-nitrobenzoic anhydride CAS 434935-69-0
| CAS No. | 434935-69-0 |
| Molecular Formula | C16H12N2O7 |
| Molecular Weight | 344.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 2-Methyl-6-nitrobenzoic anhydride is closely related to a flavonoid core, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
2-Methyl-6-nitrobenzoic anhydride (CAS 434935-69-0) is a high-purity analytical reference standard with the molecular formula C16H12N2O7 and a molecular weight of 344.28 g/mol.
Structurally, 2-Methyl-6-nitrobenzoic anhydride (C16H12N2O7) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 344.28 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 2-Methyl-6-nitrobenzoic anhydride 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 | C16H12N2O7 |
| Molecular Weight | 344.28 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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 |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
Related Methyl Standards
- 4-Nitrobenzoic Anhydride (CAS 902-47-6)
- 2-Acetyl-5-nitrobenzoic acid (CAS 58335-61-8)
- 3963-62-0 4-nitrobenzoic acid [(E)-3-phenylprop-2-enyl] ester A824661 [(E)-3-phenylprop-2-enyl] 4-nitrobenzoate (CAS 3963-62-0)
- 2-Acetyl-6-nitrobenzoic acid (CAS 13619-70-0)
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- 7-(Difluoromethoxy)-3,4-dihydronaphthalen-1(2H)-one (CAS 1092348-41-8)
- Cyclopentyl(4-(6-(pyridin-2-ylamino)pyridazin-3-yl)piperazin-1-yl)methanone (CAS 1040647-03-7)
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