Stearic Acid-9,10-d2
(Synonyms: 硬脂酸 d2) 目录号 : GC48104An internal standard for the quantification of stearic acid
Cas No.:57396-97-1
Sample solution is provided at 25 µL, 10mM.
Quality Control & SDS
- View current batch:
- Purity: >99.00%
- COA (Certificate Of Analysis)
- SDS (Safety Data Sheet)
- Datasheet
Stearic acid-9,10-d2 is intended for use as an internal standard for the quantification of stearic acid by GC- or LC-MS. Stearic acid is a long-chain saturated fatty acid. It is a major component of cocoa butter and has also been found in beef fat and vegetable oils.1,2,3 Unlike many long-chain saturated fatty acids, dietary stearic acid does not induce hypercholesterolemia or raise LDL-cholesterol.4
1.Chuparova, E., Chobanov, D., and Popov, A.Quantitative analysis of fatty acids by liquid-partition chromatographyIzv. Inst. Org. Khim. Bulgar. Akad. Nauk231-35(1965) 2.Westerling, D.B., and Hedrick, H.B.Fatty acid composition of bovine lipids as influenced by diet, sex and anatomical location and relationship to sensory characteristicsJ. Anim. Sci.48(6)1343-1348(1979) 3.Demirba?, A.Chemical and fuel properties of seventeen vegetable oilsEnergy Sources25(7)721-728(2003) 4.Grundy, S.M.Influence of stearic acid on cholesterol metabolism relative to other long-chain fatty acidsAm. J. Clin. Nutr.60(Suppl. 6)986S-990S(1994)
Cas No. | 57396-97-1 | SDF | |
别名 | 硬脂酸 d2 | ||
Canonical SMILES | CCCCCCCCC([2H])C([2H])CCCCCCCC(O)=O | ||
分子式 | C18H34D2O2 | 分子量 | 286.5 |
溶解度 | DMF: 25 mg/ml,DMF:PBS (pH 7.2) (1:1): 0.25 mg/ml,DMSO: 10 mg/ml,Ethanol: 25 mg/ml | 储存条件 | Store at -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 | |||
1 mg | 5 mg | 10 mg | |
1 mM | 3.4904 mL | 17.452 mL | 34.904 mL |
5 mM | 0.6981 mL | 3.4904 mL | 6.9808 mL |
10 mM | 0.349 mL | 1.7452 mL | 3.4904 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。