水

CAS: 7732-18-5 货号: W1492513 分子式: H2O 分子量: 18.02 EC号: 231-791-2
有货
级别和纯度: 低内毒素 ? 低内毒素级 —— 内毒素降至受控低水平。适用于高内毒素会造成干扰的敏感生物工作。
储存条件
室温
运输条件
常规运输
★
规格
库存
价格
数量
500ml
W1492513-500ml
现货 Stock Image
¥299.90
2.5L
W1492513-2.5L
现货 Stock Image
¥999.90
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为什么选择此级别

低内毒素 级 ,适用于对基线干扰要求严格的色谱和分析工作流程。

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储存与运输

室温。常规运输 。请查阅批次 COA 获取详细规格。

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质量文档

SDS、COA、产品数据表及规格说明书均可下载。可通过批号查询获取批次 COA。

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文献证明

在色谱分析、有机合成和交叉偶联反应领域已被 603 篇同行评审文献引用。

规格

规格或纯度
低内毒素
英文名称
Water
储存条件
室温
运输条件
常规运输
名称和识别符
EC号
231-791-2
分子类型
小分子
IUPAC Name
oxidane
INCHI
1S/H2O/h1H2
InChi Key
XLYOFNOQVPJJNP-UHFFFAOYSA-N
Smiles
[16OH2]
Isomeric SMILES
O
分子量
18.02

技术文档

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🔬 规格说明书

该级别的完整质量属性和验收标准。

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高级数据

系统学分类

分类树(Taxonomy Tree)

界(kingdom) 无机化合物
超类(Superclass) 均质非金属化合物
类(Class) 均质其他非金属化合物
亚类(Subclass) 暂无
中间层级节点(Intermediate Tree Nodes) 暂无
直接上位类(Direct Parent) 均质其他非金属化合物
其他上位类(Alternative Parents) 暂无
分子骨架(Molecular Framework) 暂无
取代基(Substituents) 均质其他非金属
描述(Description) 该化合物属于无机化合物中的均质其他非金属化合物类。这类无机非金属化合物中,最大原子属于"其他非金属"类别。
外部描述符(External Descriptors) a small molecule
三维结构
交互式化学结构模型





化学和物理性质
密度
1.000g/mLat 3.98°C (lit.)
折光率
1.34
沸点
100 °C
熔点
0 °C (lit.)
分子量
18.015 g/mol
XLogP3
-0.500
氢键供体数Hydrogen Bond Donor Count
1
氢键受体数Hydrogen Bond Acceptor Count
1
可旋转键计数Rotatable Bond Count
0
精确质量Exact Mass
18.0106 Da
单同位素质量Monoisotopic Mass
18.0106 Da
拓扑极表面积Topological Polar Surface Area
1.000 Ų
重原子数Heavy Atom Count
1
形式电荷Formal Charge
0
复杂度Complexity
0.000
同位素原子数Isotope Atom Count
0
定义的原子立体中心计数Defined Atom Stereocenter Count
0
未定义的原子立体中心计数Undefined Atom Stereocenter Count
0
定义的键立体中心计数Defined Bond Stereocenter Count
0
未定义的键立体中心计数Undefined Bond Stereocenter Count
0
所有立体化学键的总数The total count of all stereochemical bonds
0
共价键合单元计数Covalently-Bonded Unit Count
1
质检证书(CoA,COO,BSE/TSE 和分析图谱)
C of A & Other Certificates(BSE/TSE, COO):
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找到4个结果

批号(Lot Number) 证书类型 货号
G2624255 分析证书 W1492513
G2624304 分析证书 W1492513
C2625672 分析证书 W1492513
C2625663 分析证书 W1492513
技术文档和文章
GMP
GMP
如何使用透析袋对样品进行缓冲液置换
Buffer exchange of a sample using a dialysis bag
红细胞裂解液技术说明与操作指南
Red Blood Cell Lysis Buffer — Technical Description & Operating Guide
重组肠激酶在25℃下的稳定性
Stability of Recombinant Enterokinase at 25 °C
蛋白实验最常用的还原剂
Common Reducing Agents Used in Protein Experiments
肽图检查法鉴定蛋白质结构
Peptide Mapping for Protein Structure Identification
蛋白质Bis-Tris聚丙烯酰胺凝胶电泳系统标准操作规程
Standard Operating Procedure (SOP) for Bis-Tris Polyacrylamide Gel Electrophoresis (SDS-PAGE)
蛋白质Tris-Acetate电泳系统标准操作规程
Protein Tris-Acetate Electrophoresis System Standard Operating Procedure
蛋白质Tris-Glycine电泳系统标准操作规程
Standard Operating Procedure (SOP) for the Protein Tris–Glycine Electrophoresis System
蛋白质Tris-Tricine电泳系统标准操作规程
Protein Tris-Tricine Electrophoresis System Standard Operating Procedure
TRAP染色实验原理及步骤
TRAP Staining: Principle and Procedure
骨髓间充质干细胞分离培养及诱导分化为破骨细胞实验操作流程
Isolation, Culture, and Induced Differentiation of Bone Marrow Mesenchymal Stem Cells into Osteoclasts: Experimental Procedure
PEG–透析袋法蛋白质浓缩
PEG–Dialysis Tubing Method for Protein Concentration
钛酸钡的结构、制备与应用——走进MLCC核心介质材料
Structure, Synthesis, and Applications of Barium Titanate – A Closer Look at the Core Dielectric Material in MLCCs
分钟级构建氟代含氮桥环:Pd(II)/Pd(IV) 串联反应与 Pd(IV)“成对迁移(dyotropic)”重排驱动的应力释放环扩张
Minute-Scale Construction of Fluorinated Nitrogen-Bridged Bicycles: Pd(II)/Pd(IV) Cascade Chemistry and a Pd(IV) “Dyotropic (Paired-Migration)” Rearrangement Driving Strain-Release Ring Expansion
析氢催化剂怎么选:水电解的动力学门槛、AWE/PEM/AEM 路线与材料家族导航(含产品地图)
How to Choose a Hydrogen Evolution (HER) Catalyst: Kinetic Barriers in Water Electrolysis, AWE/PEM/AEM Pathways, and a Materials-Family Roadmap (with a Product Map)
TEMPO 催化氧化速查(醇氧化主线):三条再生路线(NaOCl / Cu–O₂ / PIDA)与选型排故
TEMPO-Catalyzed Oxidation Quick Reference (Alcohol Oxidation Focus): Three Regeneration Routes (NaOCl / Cu–O₂ / PIDA) + Selection & Troubleshooting
读懂 ALD 前驱体化学:元素地图、配体分类、典型组合与排错(附共反应物/前驱体清单)
Understanding ALD Precursor Chemistry: Element Map, Ligand-Based Taxonomy, Typical Pairings, and Troubleshooting (with a Co-Reactant/Precursor List)
ALD 与 CVD 入门全解:机理、工艺分支、应用场景与选型决策树
ALD and CVD Beginner’s Complete Guide: Mechanisms, Process Branches, Application Scenarios, and a Selection Decision Tree
小分子化学探针实用指南:概念纠偏、因果验证与实验选型(含产品导航与表A–D)
A Practical Guide to Small-Molecule Chemical Probes: Concept Clarification, Causal Validation, and Experimental Selection (with Product Navigation and Tables A–D)
碳纳米管(CNT)分散实用指南:三大旋钮、SOP及选型导航(表A–F)
Practical Guide to Carbon Nanotube (CNT) Dispersion: Three Key Knobs, SOP, and Selection Roadmap (Tables A–F)
CCK-8(WST-8)比色法细胞活性检测:原理、实验设计与典型应用技术指南
CCK-8 (WST-8) Colorimetric Cell Viability Assay: Principles, Experimental Design, and Typical Applications
发光聚合物(LEPs)实用全景:PL/EL 核心机制框架、材料家族地图与结构旋钮(含产品表1–4及选型导航)
Light-Emitting Polymers (LEPs): A Practical Panorama - A Core PL/EL Mechanistic Framework, Material Family Map, and Structural “Design Knobs” (including Product Tables 1–4 and a selection guide)
2-甲基吡啶-硼烷(2-Picoline·BH₃)还原胺化指南:替代 NaBH₃CN 的工艺动机、适用窗口与放大收尾要点(含产品表1–表3)
2-Methylpyridine–Borane (2-Picoline·BH₃) Reductive Amination Guide: Process Drivers for Replacing NaBH₃CN, the Practical Operating Window, and Scale-Up/Quench Close-Out Essentials (Including Product Tables 1–3)
RNA提取技术:方法体系、操作流程与质量控制要点
RNA Extraction Technologies: Method Systems, Operational Workflows, and Key Quality-Control Considerations
Suzuki–Miyaura 反应怎么做稳:定位瓶颈,锁定可复现窗口(含选型导航及产品表1–表5)
How to Make the Suzuki–Miyaura Reaction Robust: Pinpoint the Bottleneck and Lock in a Reproducible Operating Window (with Selection Navigation and Product Tables 1–5)
实验动物的编号、标记、分组及除毛:规范操作与应用要点
Experimental Animal Numbering, Marking, Grouping, and Depilation: Standardized Procedures and Practical Considerations
Sol-Gel(溶胶—凝胶)成膜中的硅烷前驱体:前驱体选择及其对成膜结果的影响
Silane Precursors in Sol-Gel Film Formation: Precursor Selection and Its Influence on Film-Formation Outcomes
从分析仪器到合成装置:常规分析型 HPLC 重构自动化流动固相多肽合成的新思路
From Analytical Instrument to Synthetic Platform: A New Strategy for Reconstructing Automated Flow Solid-Phase Peptide Synthesis with Standard Analytical HPLC
TCFH–NMI 在高含水体系中的酰胺化:研究价值、方法认识与实验启示
TCFH–NMI Amidation in Highly Aqueous Media: Research Value, Methodological Understanding, and Experimental Insights
从“先还原再酰化”到“直接成酰胺”:硝基及亚硝基底物与 α-酮羧酸的非常规酰胺键构建路线
From “Reduction First, Then Acylation” to “Direct Amidation”: An Unconventional Route to Amide Bond Formation from Nitro and Nitroso Substrates with α-Keto Carboxylic Acids
从一次比旋光结果分歧看方法学控制:手性样品的比旋光测定为何不能脱离条件谈数值
What a Disagreement in Specific Rotation Results Reveals About Method Control: Why Specific Rotation Values for Chiral Samples Cannot Be Discussed Apart from Measurement Conditions
DBU 在不同体系中的反应角色:强有机碱、亲核催化与反应路径参与的实验判断
Reaction Roles of DBU in Different Systems: Experimental Judgment from a Strong Organic Base to Nucleophilic Catalysis and Participation in the Reaction Pathway
Boc₂O 的选用不能只看保护引入:从底物亲核性、介质效应到脱保护路径的实验判断
Boc₂O Selection Cannot Be Judged by Protection Installation Alone: Experimental Decision-Making from Substrate Nucleophilicity and Medium Effects to Deprotection Pathways
硅烷偶联剂底涂液的配制方法与注意事项
Preparation Methods and Precautions for Silane Coupling Agent Primer Solutions
多孔石墨化碳(PGC)色谱柱:用分子形状和石墨表面 π 电子云建立困难分离的新选择性
Porous Graphitic Carbon (PGC) Chromatography Columns: Creating New Selectivity for Challenging Separations through Molecular Shape and the π-Electron Cloud on the Graphitic Surface
多肽合成异常杂质如何排查?从氨基相关副反应看工艺问题定位
How to Troubleshoot Abnormal Impurities in Peptide Synthesis? Locating Process Issues Through Amino-Related Side Reactions
半导体型单壁碳纳米管晶体管关态电流偏高的原因、诊断与调控策略
Causes, Diagnosis, and Control Strategies for Elevated Off-State Current in Semiconducting Single-Walled Carbon Nanotube Transistors
ZnO 纳米颗粒电子传输层如何降低有机光电探测器暗电流:作用机制、成膜质量与材料选择
How ZnO Nanoparticle Electron Transport Layers Reduce Dark Current in Organic Photodetectors: Mechanisms, Film Quality, and Material Selection
涂料配方中的树脂极性:从分子结构到溶解、相容、界面作用与配方设计
Resin Polarity in Coating Formulations: From Molecular Structure to Dissolution, Compatibility, Interfacial Interactions, and Formulation Design
日化配方中溶剂、共溶剂与增溶体系:分类、作用与选型指南
Solvents, Co-solvents, and Solubilization Systems in Home and Personal Care Formulations: Classification, Functions, and Selection Guide
中性腻子配方中木薯与玉米来源预糊化淀粉的区别及应用选择
Differences and Application Selection of Cassava- and Corn-Based Pregelatinized Starch in Neutral Putty Formulations
β-羟丁酸检测方法与代谢意义:酶法、血酮仪与LC-MS检测的应用比较
β-Hydroxybutyrate Detection Methods and Metabolic Significance: Comparative Applications of Enzymatic Assays, Blood Ketone Meters, and LC-MS
此产品的引用文献
溶液计算器

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