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CAS RN: 21715-90-2 | Product Number: H0528
N-Hydroxy-5-norbornene-2,3-dicarboximide [for Peptide Synthesis]
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![N-Hydroxy-5-norbornene-2,3-dicarboximide [for Peptide Synthesis]](/_ui/responsive/theme-tci/images/missing_product_zoom.jpg "N-Hydroxy-5-norbornene-2,3-dicarboximide [for Peptide Synthesis]")
Purity: >99.0%(T)
Synonyms:
Product Documents:
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| 250G |
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* The storage conditions are subject to change without notice.
* The storage conditions are subject to change without notice.
| Product Number | H0528 |
| Purity / Analysis Method | >99.0%(T) |
| Molecular Formula / Molecular Weight | C__9H__9NO__3 = 179.18 |
| Physical State (20 deg.C) | Solid |
| Storage Temperature | Room Temperature (Recommended in a cool and dark place, <15°C) |
| CAS RN | 21715-90-2 |
| Reaxys Registry Number | 181264 |
| PubChem Substance ID | 87570917 |
| SDBS (AIST Spectral DB) | 12651 |
| MDL Number | MFCD00167583 |
Specifications
| Appearance | White to Almost white powder to crystal |
| Purity(Neutralization titration) | min. 99.0 % |
| Melting point | 167.0 to 171.0 °C |
| Solubility in Water | almost transparency |
| NMR | confirm to structure |
Properties (reference)
| Melting Point | 167 °C |
GHS
| Pictogram |
|
| Signal Word | Warning |
| Hazard Statements | H315 : Causes skin irritation. H319 : Causes serious eye irritation. |
| Precautionary Statements | P264 : Wash skin thoroughly after handling. P280 : Wear protective gloves/ eye protection/ face protection. P302 + P352 : IF ON SKIN: Wash with plenty of water. P337 + P313 : If eye irritation persists: Get medical advice/ attention. P305 + P351 + P338 : IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P362 + P364 : Take off contaminated clothing and wash it before reuse. P332 + P313 : If skin irritation occurs: Get medical advice/ attention. |
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Transport Information:
| H.S.code* | 2928.00-000 |
Application
An Efficient Additive for Condensation Reactions
Experimental procedure: to a solution of 1 (1 mmol) in anhydrous DMF (10 mL) is added N-Hydroxy-5-norbornene-2,3-dicarboximide (1.1 mmol) and DIC (1.1 mmol) in one portion. Reaction mixture is stirred for additional 5 min at 0 °C and then L-ProNH2(2, 1 mmol) is added. The reaction is stirred for additional 36 h at 4 °C. Solvent is evaporated under reduced pressure and the crude product is purified by column chromatography using MeOH/CH2Cl2 (15:85) as eluant to afford 3 as a white solid in 77% yield.
References
- Synthesis of CNS active thyrotropin-releasing hormone (TRH)-like peptides: Biological evaluation and effect on cognitive impairment induced by cerebral ischemia in mice
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