L-(+)-Abrine
Based on 1 Customer Validation
L-(+)-Abrine, a lethal albumin found in Abrus precatorius seeds, is an acute toxic alkaloid and chemical marker for abrin.
商品は「研究用試薬」です。人や動物の医療用・臨床診断用・食品用の製品ではありません。
研究用途以外に使用した場合、当社は一切の責任を負いかねます。
- 純度: 99.91%
- CAS 番号: 526-31-8
- 分子式: C12H14N2O2
- 分子量:218.25
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保管条件:Powder -20°C, 3 years , 4°C, 2 years ; In solvent -80°C, 6 months , -20°C, 1 month
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生物活性
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化学情報
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溶剤 & 溶解度
- プロトコル
- 純度とドキュメンテーション
- 参考文献
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Help & FAQs
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生物活性
L-(+)-Abrine is a marker for abrin poisoning. A strong indication for abrin poisoning is the presence of the chemical maker L-(+)-Abrine, which can survive metabolism in significant amounts making it detectable in human urine[1].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
化学情報
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CAS 番号 526-31-8
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性状 Solid
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分子量 218.25
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分子式 C12H14N2O2
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Color Off-white to light yellow
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SMILES
O=C(O)[C@H](CC1=CNC2=CC=CC=C12)NC
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別名
L-アブリン; L-Abrine; L-N-Methyltryptophan; N-α-Methyl-L-tryptophan
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Structure Classification
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Initial Source
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輸送条件
Room temperature in continental US; may vary elsewhere.
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保管条件
Powder -20°C 3 years 4°C 2 years In solvent -80°C 6 months -20°C 1 month
溶剤 & 溶解度
H2O : 2 mg/mL (9.16 mM; ultrasonic and warming and heat to 60°C)
H2O : 1.85 mg/mL (8.48 mM; ultrasonic and adjust pH to 10 with NaOH)
DMSO : < 1 mg/mL (insoluble or slightly soluble)
Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month. When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
* Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.
Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month. When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
* Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.
濃度 (開始) × 体積 (開始) = 濃度 (終了) × 体積 (終了)
プロトコル
Rats[2]
Twenty male Wistar rats, approximately 6-7 weeks of age and weighing approximately 175-200 g upon receipt, are used. A total of 12 rats are dosed intramuscularly with L-(+)-Abrine at 0.63, 3.13, and 5 times the expected Abrin LD50 of 20 μg/kg. Although no toxin is used here, the concentration of the biomarker is increased by a factor of 4 to estimate an equivalent level of toxin, assuming that Labrine is present in rosary peas at a concentration four times greater that the toxin abrin. A total of 12 rats are dosed intramuscularly with L-(+)-Abrine: four at approximately 50 μg/kg body weight (bw), four at 250 μg/kg bw, and four at 400 μg/kg bw. Four control rats are dosed with water, which is the vehicle for all dosing experiments. Another four rats are dosed intraperitoneally with 20,000 μg/kg L-tryptophan to verify that endogenous L-tryptophan is not metabolized to L-(+)-Abrine[2].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
純度とドキュメンテーション
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データシート (278 KB)
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SDS (396 KB)
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取扱説明書 (2659 KB)
参考文献
[1]. Cho H, et al. A portable and chromogenic enzyme-based sensor for detection of abrin poisoning. Biosens Bioelectron. 2014 Apr 15;54:667-73. [Content Brief]
[2]. Johnson RC, et al. Quantification of L-abrine in human and rat urine: a biomarker for the toxin abrin. J Anal Toxicol. 2009 Mar;33(2):77-84. [Content Brief]
Complete Stock Solution Preparation Table
Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month. When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
| Optional Solvent | Concentration Solvent Mass | 1 mg | 5 mg | 10 mg | 25 mg |
|---|---|---|---|---|---|
| H2O / H2O | 1 mM | 4.5819 mL | 22.9095 mL | 45.8190 mL | 114.5475 mL |
| 5 mM | 0.9164 mL | 4.5819 mL | 9.1638 mL | 22.9095 mL |
* Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.
L-(+)-Abrine 関連分類
HY-N1436 関連分類
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