6,8-Difluoro-7-hydroxy-4-methylcoumarin
(Synonyms: 6,8-二氟-7-羟基-4-甲基-2H-1-苯并吡喃-2-酮) 目录号 : GC49504A fluorophore
Cas No.:215868-23-8
Sample solution is provided at 25 µL, 10mM.
6,8-Difluoro-7-hydroxy-4-methylcoumarin is a fluorophore.1 It has been conjugated to streptavidin or secondary antibodies for flow cytometry and used to label bacteria for multi-color fluorescence in situ hybridization (FISH).2,1 6,8-Difluoro-7-hydroxy-4-methylcoumarin has also been coupled to peptides to improve electrospray ionization and MS sensitivity in MALDI-TOF MS.3 It displays absorption/emission maxima of 358/455 nm, respectively.4
1.Takada, T., Matsumoto, K., and Nomoto, K.Development of multi-color FISH method for analysis of seven Bifidobacterium species in human fecesJ. Microbiol. Methods58(3)413-421(2004) 2.Telford, W.G.Analysis of UV-excited fluorochromes by flow cytometry using near-ultraviolet laser diodesCytometry A.61(1)9-17(2004) 3.Pashkova, A., Moskovets, E., and Karger, B.L.Coumarin tags for improved analysis of peptides by MALDI-TOF MS and MS/MS. 1. Enhancement in MALDI MS signal intensitiesAnal. Chem.76(15)4550-4557(2004) 4.Sun, W.C., Gee, K.R., and Haugland, R.P.Synthesis of novel fluorinated coumarins: Excellent UV-light excitable fluorescent dyesBioorg. Med. Chem. Lett.8(22)3107-3110(1998)
Cas No. | 215868-23-8 | SDF | Download SDF |
别名 | 6,8-二氟-7-羟基-4-甲基-2H-1-苯并吡喃-2-酮 | ||
Canonical SMILES | O=C1OC2=C(C(O)=C(C=C2C(C)=C1)F)F | ||
分子式 | C10H6F2O3 | 分子量 | 212.2 |
溶解度 | DMF: soluble,DMSO: soluble,Methanol: soluble | 储存条件 | -20°C |
General tips | 请根据产品在不同溶剂中的溶解度选择合适的溶剂配制储备液;一旦配成溶液,请分装保存,避免反复冻融造成的产品失效。 储备液的保存方式和期限:-80°C 储存时,请在 6 个月内使用,-20°C 储存时,请在 1 个月内使用。 为了提高溶解度,请将管子加热至37℃,然后在超声波浴中震荡一段时间。 |
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Shipping Condition | 评估样品解决方案:配备蓝冰进行发货。所有其他可用尺寸:配备RT,或根据请求配备蓝冰。 |
制备储备液 | |||
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1 mg | 5 mg | 10 mg |
1 mM | 4.7125 mL | 23.5627 mL | 47.1254 mL |
5 mM | 0.9425 mL | 4.7125 mL | 9.4251 mL |
10 mM | 0.4713 mL | 2.3563 mL | 4.7125 mL |
第一步:请输入基本实验信息(考虑到实验过程中的损耗,建议多配一只动物的药量) | ||||||||||
给药剂量 | mg/kg | 动物平均体重 | g | 每只动物给药体积 | ul | 动物数量 | 只 | |||
第二步:请输入动物体内配方组成(配方适用于不溶于水的药物;不同批次药物配方比例不同,请联系GLPBIO为您提供正确的澄清溶液配方) | ||||||||||
% DMSO % % Tween 80 % saline | ||||||||||
计算重置 |
计算结果:
工作液浓度: mg/ml;
DMSO母液配制方法: mg 药物溶于 μL DMSO溶液(母液浓度 mg/mL,
体内配方配制方法:取 μL DMSO母液,加入 μL PEG300,混匀澄清后加入μL Tween 80,混匀澄清后加入 μL saline,混匀澄清。
1. 首先保证母液是澄清的;
2.
一定要按照顺序依次将溶剂加入,进行下一步操作之前必须保证上一步操作得到的是澄清的溶液,可采用涡旋、超声或水浴加热等物理方法助溶。
3. 以上所有助溶剂都可在 GlpBio 网站选购。
Quality Control & SDS
- View current batch:
- Purity: >98.00%
- COA (Certificate Of Analysis)
- SDS (Safety Data Sheet)
- Datasheet