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CAS RN: 63422-71-9 | 产品编码: E0993
(R)-(-)-α-[[(4-Ethyl-2,3-dioxo-1-piperazinyl)carbonyl]amino]benzeneacetic Acid
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![(R)-(-)-α-[[(4-Ethyl-2,3-dioxo-1-piperazinyl)carbonyl]amino]benzeneacetic Acid](/_ui/responsive/theme-tci/images/missing_product_zoom.jpg "(R)-(-)-α-[[(4-Ethyl-2,3-dioxo-1-piperazinyl)carbonyl]amino]benzeneacetic Acid")
技术规格
| Appearance | White to Almost white powder to crystal |
| Purity(HPLC) | min. 98.0 area% |
| Purity(Neutralization titration) | min. 98.0 % |
| Specific rotation [a]20/D | -64.0 to -68.0 deg(C=1,MeOH) |
| NMR | confirm to structure |
物性（参考值）
| 熔点 | 173 °C(dec.) |
| 比旋光度 [α]D | -66° (C=1,MeOH) |
| 溶解性（可溶于） | 甲醇 |
GHS
| 象形图 |
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| 信号词 | Warning |
| 危险性说明 | H315 : Causes skin irritation. H319 : Causes serious eye irritation. |
| 防范说明 | 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. |
相关法规
运输信息
| HS编码* | 2933.79-000 |
应用
Synthesis of Cephalosporins antibiotics
References
- Dual-action cephalosporins: cephalosporin 3'-quinolone carbamates
- Synthesis and antibacterial activity of lactivicin derivatives
- Further synthetic studies in penicillin C(6)-substitution including the versatile 6α-succinimidooxy leaving group
- Preparation and properties of 7α-formamido cephalosporins
参考文献