31667
クロラムフェニコール
VETRANAL®, analytical standard
別名:
D-(-)-threo-2,2-ジクロロ-N-[β-ヒドロキシ-α-(ヒドロキシメチル)-β-(4-ニトロフェニル)エチル]アセトアミド, D-(−)-threo-2-ジクロロアセトアミド-1-(4-ニトロフェニル)-1,3-プロパンジオール, D-threo-2,2-ジクロロ-N-[β-ヒドロキシ-α-(ヒドロキシメチル)-4-ニトロフェンエチル]アセトアミド, クロロマイセチン
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この商品について
化学式:
Cl2CHCONHCH(CH2OH)CH(OH)C6H4NO2
CAS番号:
分子量:
323.13
UNSPSC Code:
41116107
NACRES:
NA.24
PubChem Substance ID:
EC Number:
200-287-4
Beilstein/REAXYS Number:
2225532
MDL number:
製品名
クロラムフェニコール, VETRANAL®, analytical standard
InChI key
WIIZWVCIJKGZOK-RKDXNWHRSA-N
InChI
1S/C11H12Cl2N2O5/c12-10(13)11(18)14-8(5-16)9(17)6-1-3-7(4-2-6)15(19)20/h1-4,8-10,16-17H,5H2,(H,14,18)/t8-,9-/m1/s1
SMILES string
OC[C@@H](NC(=O)C(Cl)Cl)[C@H](O)c1ccc(cc1)[N+]([O-])=O
grade
analytical standard
product line
VETRANAL®
assay
≥98% (HPLC)
shelf life
limited shelf life, expiry date on the label
technique(s)
HPLC: suitable
gas chromatography (GC): suitable
mp
149-153 °C (lit.)
solubility
H2O: insoluble 100% (practically)
application(s)
clinical testing
format
neat
Quality Level
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Disclaimer
Stock solutions should be stored at 2-8°C and are stable at 37°C for 5 days. Aqueous solutions are neutral and stable over a wide pH range, with 50% hydrolysis occurring after 290 days. Use of a borax buffered solution reduces this number to 14%. Solutions should be protected from light as photochemical decomposition results in a yellowing of the solution. Heating aqueous solutions at 115°C for 30 minutes results in a 10% loss of chloramphenicol.
Biochem/physiol Actions
作用機序：クロラムフェニコールは、50Sリボソームサブユニットに結合してアミノアシルtRNAのリボソームへの付着を防ぐことでペプチジルトランスフェラーゼステップを遮断することにより細菌のタンパク質合成を阻害します。また、ミトコンドリアと葉緑体のタンパク質合成およびリボソームの(p)ppGpp生成を阻害して、rRNA転写を抑制します。
耐性機序：クロラムフェニコールアセチルトランスフェラーゼを使用することで、本製品はアセチル化され、不活性化されます。
抗菌スペクトル：グラム陽性菌およびグラム陰性菌に対して幅広いスペクトルを持つ抗生物質であり、主に眼科や獣医学的用途で使用されます。
耐性機序：クロラムフェニコールアセチルトランスフェラーゼを使用することで、本製品はアセチル化され、不活性化されます。
抗菌スペクトル：グラム陽性菌およびグラム陰性菌に対して幅広いスペクトルを持つ抗生物質であり、主に眼科や獣医学的用途で使用されます。
Application
Chloramphenicol has been used as reference standard in the determination of the concentration of CAP residues in shrimp tissues using LC-MS technique and also in frozen chicken samples (liver, kidney and muscle) using HPLC.
Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.
General description
Chloramphenicol (CAP) is an antibiotic which was first isolated from Streptomyces venezuelae. It has a nitrobenzene moiety which may be responsible for aplastic anaemia.1 It is often used for bacterial selection in molecular biology applications at 10-20 μg/mL and as a selection agent for transformed cells containing chloramphenicol reistance genes.
This grade has the standard for Supelco MIP SPE cartridges. For more information request Supelco Literature T407075, T706024
This grade has the standard for Supelco MIP SPE cartridges. For more information request Supelco Literature T407075, T706024
Preparation Note
Stock solutions can be prepared directly in the vial at any recommended concentration. A solution at 50 mg/mL in ethanol yields a clear, very faint, yellow solution. Degradation of chloramphenicol in aqueous solution is catalyzed by general acids and bases. This rate of degradation is independent of the ionic strength and pH.
Legal Information
VETRANAL is a registered trademark of Merck KGaA, Darmstadt, Germany
signalword
Danger
hcodes
Hazard Classifications
Carc. 2 - Eye Dam. 1 - Repr. 2
保管分類
11 - Combustible Solids
wgk
WGK 3
ppe
Eyeshields, Gloves, type P3 (EN 143) respirator cartridges
Chloramphenicol residues in chicken liver, kidney and muscle: a comparison among the antibacterial residues monitoring methods of Four Plate Test, ELISA and HPLC.
Tajik H
Food And Chemical Toxicology, 48(8-9), 2464-2468 (2010)
Determination of chloramphenicol residues in shrimps by liquid chromatography-mass spectrometry.
Ramos M
Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences, 791(1-2), 31-38 (2003)
Anthony J Brzoska et al.
PloS one, 8(2), e56090-e56090 (2013-02-15)
Members of the genus Acinetobacter have been the focus recent attention due to both their clinical significance and application to molecular biology. The soil commensal bacterium Acinetobacter baylyi ADP1 has been proposed as a model system for molecular and genetic
Shunichi Takahashi et al.
Plant physiology, 161(1), 477-485 (2012-11-22)
A moderate increase in seawater temperature causes coral bleaching, at least partially through photobleaching of the symbiotic algae Symbiodinium spp. Photobleaching of Symbiodinium spp. is primarily associated with the loss of light-harvesting proteins of photosystem II (PSII) and follows the
Uwe Richter et al.
Current biology : CB, 23(6), 535-541 (2013-03-05)
Proliferating cells require coordinated gene expression between the nucleus and mitochondria in order to divide, ensuring sufficient organelle number in daughter cells [1]. However, the machinery and mechanisms whereby proliferating cells monitor mitochondria and coordinate organelle biosynthesis remain poorly understood.
ライフサイエンス、有機合成、材料科学、クロマトグラフィー、分析など、あらゆる分野の研究に経験のあるメンバーがおります。.
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