Tetramethylrhodamine methyl ester perchlorate CAS 115532-50-8
| CAS No. | 115532-50-8 |
| Molecular Formula | C25H37N2O3 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 513.03 g/mol gives Tetramethylrhodamine methyl ester perchlorate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Tetramethylrhodamine methyl ester perchlorate (CAS 115532-50-8), molecular formula C25H37N2O3ClO4 and molecular weight 513.03 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Tetramethylrhodamine methyl ester perchlorate (C25H37N2O3ClO4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 513.03 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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), Tetramethylrhodamine methyl ester perchlorate 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 | C25H37N2O3 ClO4 |
| Molecular Weight | 513.03 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Tetramethylrhodamine Standards
- 2-(6-Tetramethylrhodamine)carboxylic Acid N-Hydroxysuccinimide Ester (CAS 1027512-41-9)
- Tetramethylrhodamine-4-iodoacetamide (CAS 114458-99-0)
- Tetramethylrhodamine ethyl ester perchlorate (CAS 115532-52-0)
- 2-[(5(6)-Tetramethylrhodamine]carboxylic Acid N-Hydroxysuccinimide Ester (CAS 122363-35-3)
- Tetramethylrhodamine-5-maleimide (CAS 174568-67-3)
- Tetramethylrhodamine-6-maleimide, single isomer (CAS 174568-68-4)
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Recommended Standards
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