5,6-Dinitro-4,7-bis((triisopropylsilyl)ethynyl)benzo[c][1,2,5]thiadiazole CAS 1681015-89-3
| CAS No. | 1681015-89-3 |
| Molecular Formula | C28H42N4O4SSi2 |
| Molecular Weight | 586.89 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 5,6-Dinitro-4,7-bis((triisopropylsilyl)ethynyl)benzo[c][1,2,5]thiadiazole is closely related to a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
5,6-Dinitro-4,7-bis((triisopropylsilyl)ethynyl)benzo[c][1,2,5]thiadiazole (CAS 1681015-89-3) is a high-purity analytical reference standard with the molecular formula C28H42N4O4SSi2 and a molecular weight of 586.89 g/mol.
The molecular framework of 5,6-Dinitro-4,7-bis((triisopropylsilyl)ethynyl)benzo[c][1,2,5]thiadiazole (C28H42N4O4SSi2) is characterized by a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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), 5,6-Dinitro-4,7-bis((triisopropylsilyl)ethynyl)benzo[c][1,2,5]thiadiazole 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 | C28H42N4O4SSi2 |
| Molecular Weight | 586.89 g/mol |
| 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 |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related Dinitro Standards
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Recommended Standards
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- 4-(Isobutylamino)benzoic acid (CAS 371958-90-6)
- 3-[tert-butoxycarbonyl-(tert-butoxycarbonylamino)amino]bicyclo[1.1.1]pentane-1-carboxylic acid (CAS 2538602-45-6)
- methyl 3-(2,4-dioxohexahydropyrimidin-1-yl)-4-fluoro-benzoate (CAS 2858742-34-2)
- 5-Chloro-4-methylbenzimidazole (CAS 1360938-85-7)
- (R)-6-Oxopiperidine-2-carboxylic acid (CAS 72002-30-3)
- m-PEG8-CH2COOH (CAS 102013-72-9)
- Semaglutide Impurity 122 (CAS CATO-C4X-2226122)
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