日度归档:2024年9月14日
大黄素蒽酮 CAS号:491-60-1 中药对照品标准品
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产品名称:大黄素蒽酮
英文名:Emodin haithrone
中文别名:
英文别名:
CAS登录号:491-60-1
分子式:C15H12O4
分子量:256.25
分子结构:
化合物类型:
物理性质:Powder
来源:
规格:10mg/支
纯度:HPLC≥98%
分析方法: HPLC-DAD or/haid HPLC-ELSD
鉴定方法: 质谱(Mass), 核磁(NMR)
贮存条件:4℃冷藏、密封、避光
有效期:2年
供货能力:大量现货
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N,N'-双[4-(二苯基氨基)苯基]-N,N'-二-1-萘基-联苯-4,4'-二胺 CAS:910058-11-6
N-AZIDOACETYLMANNOSAMINE-TETRAACYLATED CAS:361154-30-5
N-[1,1'-联苯-4-基]-9,9-二甲基-9H-芴-2-胺CAS:897671-69-1DMFNB
隔板接头(30系列)(简称:30- 4BU-C)日本三博特sanplatec
上海金畔生物科技有限公司代理日本三博特sanplatec全线产品,欢迎访问官网了解更多产品信息。
产品名称:
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隔板接头(30系列)(简称:30- 4BU-C)
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产品编号: | WEB14621 | ||
价格: | 会员价:0元;市场价:0元 | ||
产品特点: |
简称:30- 4BU-C
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产品规格: |
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材料: |
确认材料的耐药性 >> 耐药性检索 |
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Wx |
面板孔 |
最大面板厚度 |
T(mm) |
适用管外径(inch) |
产品编号 |
简称 |
38 |
21 |
11 |
7 |
3 |
10 |
10 |
12 |
8.2 |
6 |
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14621 |
30- 4BU-C |
单位:mm
主体:PTFE
螺帽:ECTFE
是对角线的尺寸。
特点
毫米、英寸规格的管均可通用。
最大使用压力请咨询。

3,5-双(三氟甲基)-1,2-苯二胺CAS号:367-65-7 英文名称:3,5-BIS(TRIFLUOROMETHYL)-1,2-DIAMINOBENZENE
Biotin PEG aldehyde, Aldehyde PEG Biotin Cat. No. PG2-ALBN-2k 2000 Da 10 mg修饰性聚乙二醇
上海金畔生物科技有限公司提供各种分子量和基团修饰性聚乙二醇定制服务。
Biotin PEG aldehyde, Aldehyde PEG Biotin
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Biotin PEG Aldehyde
Biotin PEG Aldehde (Biotin-PEG-CHO) is one of Nanocs’ chemical reactive biotin PEG derivatives that can label N-terminal amines. Aldehyde group is reactive toward amine, hydrazide or oxyamine groups from pH 5-9. Unlike amine reactive succinimidyl ester group (NHS), aldehyde can react with protonated amines at acidic environment (pH ~4), a condition sometimes required for certain site-specific biotinylation reactions. Aldehyde reacts with amine group to form an intermediate Schiff bond. Further reduction with hydride will form a stable C-N bond. Reaction between aldhyde and other groups allows site-specific conjugation and labeling of biotin tag to desired position on targeted molecules. Resulted biotin can recognize and bind to avidin, streptavidin or neutravidin with high affinity. PEG linker between Biotin and aldehyde offers higher water solubility, less steric hindrance and enhanced stability. Compared to other commonly used biotinylation reagents, Nanocs pegylated biotins are water soluble, more stable and easier to use.
Physical Properties:
- Appearance: White/off-whilte solid;
- Solubility: Soluble in water, DMSO, DMF;
- Reacive group: Aldehyde (-CHO);
- Reactive to: N-terminal amine, primary amine, etc.;
- Functional moiety: D-biotin;
- Reactive toward: avidin, streptavidin or neutravidin;
Storage Conditions:
- Store at -20 0C. Desiccate.
Reaction Procedures:
Generally, a 5- to 10-fold molar excess of Biotin PEG aldehyde over the amount of amine-containing molecules (such as protein or antibody) results in sufficient conjugation.
Materials Required:
- Reaction buffer: Amine-free aqueous buffer, pH 5.0~6.5.
- Biotin PEG aldehyde stock solution: 5-10 mg in 1 mL conjugation buffer.
- Washing solution: Distilled water or any aqueous buffer.
Reaction Steps:
Dissolve ready labeling molecules in pegylation buffer. Estimate the concentration of primary amine groups on the targeted materials. Add Biotin PEG aldehyde stock solution to the targeted conjugation materials with the final concentration keep at least 10 mg/mL. Allow mixture agitates at room temperature for 2~4 hrs at room temperature or overnight 4 0C. After reaction, C=N bond can be reduced by sodium borohydride. Conjugate can be purified either by size exclusion chromatography or dialysis.
- SDS
- DataSheet
3,5-双(三氟甲基)-1,2-苯二胺CAS号:367-65-7 英文名称:3,5-BIS(TRIFLUOROMETHYL)-1,2-DIAMINOBENZENE
冷冻保存管2.0ml日本三博特sanplatec
上海金畔生物科技有限公司代理日本三博特sanplatec全线产品,欢迎访问官网了解更多产品信息。
产品名称:
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冷冻保存管2.0ml
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产品编号: | WEB0655 | ||
价格: | 会员价:0元;市场价:0元 | ||
产品特点: |
密封性好,耐寒性优越
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产品规格: |
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材料: |
确认材料的耐药性 >> 耐药性检索 |
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1005-125-Whatman 沃特曼 5号定性滤纸 Grade 5
产品型号1005-125
品 牌沃特曼
Whatman定性滤纸用于定性分析技术中鉴定物质的性质。折叠好的定性滤纸与相同型号平整的滤纸相比,加快了流速和增加了负载力。Whatman 沃特曼 5号定性滤纸 Grade 5,1005-125
详情介绍
名称 : 定性滤纸 Grade 5
型号 :1005-125
特点 :Whatman定性滤纸用于定性分析技术中鉴定物质的性质。折叠好的定性滤纸与相同型号平整的滤纸相比,加快了流速和增加了负载力。Whatman 沃特曼 定性滤纸 Grade 5,1005-125
Grade 5:2.5µm
在定性范围内,zui大程度的截留颗粒。可以截留在化学分析中遇到的细小沉淀物。流速较慢。适合做化学分析、澄清悬浊物和水/泥土分析。预折叠的型号是Grade 5V。
Whatman 沃特曼 定性滤纸 Grade 5, 1005-125
Whatman 沃特曼 定性滤纸 Grade 5,1005-125
1005-325, 1005-042, 1005-047, 1005-055, 1005-070, 1005-090, 1005-110, 1005-125, 1005-150, 1005-185, 1005-240, 1005-320, 1005-550
CAS:97654-08-5
N,N'-双[4-(二苯基氨基)苯基]-N,N'-二-1-萘基-联苯-4,4'-二胺 CAS:910058-11-6
N,N'-双[4-(二苯基氨基)苯基]-N,N'-二-1-萘基-联苯-4,4'-二CAS:910058-11-6
维帕他韦CAS:1377049-84-7
维帕他韦CAS:1377049-84-7
CDBP CAS:604785-54-8 英文名称:4,4'-Bis(9-carbazolyl)-2,2'-dimethylbiphenyl
隔板接头(30系列)(简称:30- 3BU-C)日本三博特sanplatec
上海金畔生物科技有限公司代理日本三博特sanplatec全线产品,欢迎访问官网了解更多产品信息。
产品名称:
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隔板接头(30系列)(简称:30- 3BU-C)
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产品编号: | WEB14620 | ||
价格: | 会员价:0元;市场价:0元 | ||
产品特点: |
简称:30- 3BU-C
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产品规格: |
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材料: |
确认材料的耐药性 >> 耐药性检索 |
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A |
B |
C |
D |
E |
F |
W |
Wx |
面板孔 |
最大面板厚度 |
T(mm) |
适用管外径(inch) |
产品编号 |
简称 |
32 |
18 |
9 |
5 |
2 |
8 |
8 |
12 |
6.2 |
6 |
3 |
1/8 |
14620 |
30- 3BU-C |
单位:mm
主体:PTFE
螺帽:ECTFE
是对角线的尺寸。
特点
毫米、英寸规格的管均可通用。
最大使用压力请咨询。

1,2-DIPALMITOYL-SN-GLYCERO-3-PHOSPHOETHANOLAMINE-N-(GLUTARYL) (SODIUM SALT);16:0 GLUTARYL PE CAS:474923-45-0
冷冻管 (含颜色代码,100个×5色)日本三博特sanplatec
上海金畔生物科技有限公司代理日本三博特sanplatec全线产品,欢迎访问官网了解更多产品信息。
产品名称:
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冷冻管 (含颜色代码,100个×5色)
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产品编号: | WEB19108 | ||
价格: | 会员价:0元;市场价:0元 | ||
产品特点: |
可在液氮气化时保存样品。特别规格的硅胶O形圈盖密封性高,有效防止实验室污染。
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产品规格: |
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材料: |
确认材料的耐药性 >> 耐药性检索 |
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Thiol PEG Amine, HS-PEG-NH2 Cat. No. PG2-AMTH-600 600 Da 100 mg修饰性聚乙二醇
上海金畔生物科技有限公司提供各种分子量和基团修饰性聚乙二醇定制服务。
Thiol PEG Amine, HS-PEG-NH2
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Description:
Heterobifunctional PEG derivative that can be used to modify proteins, peptides and other materials via amino or other acid reactive chemical groups. PEGylation can increase solubility and stability and reduce immunogenicity of peptides and proteins. It can also suppress the non-specific binding of charged molecules to the modified surfaces. .
Physical Properties:
- Off-white/white solid or viscous liquid depends on molecule weight;
- Soluble in regular aqeous solution as well as most organic solvents;
Storage Conditions:
- Store at -20 0C, dessiccated Protect from light. Avoid frequent thaw and freeze.
- SDS
- DataSheet