DiAmSar, 91002-72-1,美国Macrocyclics公司试剂
供应商：西安瑞禧生物科技有限公司
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美国Macrocyclics公司大环配体试剂  
Bifunctional ligands双功能配体  
Bifunctional ligands are chelating agents that also possess a reactive site for covalent attachment to bio-targeting vectors such as antibodies, peptide and proteins. They are widely used in nuclear medicine, MRI, and optical imaging applications.
p-NO2-Bn-Cyclen B-110
p-NO2-Bn-DOTA B-199
p-NH2-Bn-DOTA B-200
p-NH2-Bn-DOTA-tetra(t-Bu-ester) B-201
p-SCN-Bn-DOTA B-205
DOTA-tris (t-Bu ester) B-260
DOTA-mono-NHS-tris(t-Bu ester) B-270
Maleimido-mono-amide-DOTA-tris (t-Bu ester) B-271
Maleimido-mono-amide-DOTA B-272
Fmoc-L-Lys-mono-amide-DOTA-tris(t-Bu ester) B-275
2-Aminoethyl-mono-amide-DOTA-tris(t-Bu ester) B-277
Azido-mono-amide-DOTA-tris(t-butyl ester) B-278
DOTA-NHS-ester B-280
Azido-mono-amide-DOTA B-288
p-NH2-Bn-DTPA B-300
p-NH2-Bn-DTPA-penta (t-Bu ester)  B-301
p-SCN-Bn-DTPA B-305
p-NH2-CHX-A&uot;-DTPA B-351
CHX-A''-DTPA B-355
DTPA-tetra (t-Bu ester) B-365
Maleimido-mono-amide-DTPA B-372
p-NH2-Bn-PCTA B-401
p-SCN-Bn-PCTA B-405
p-NH2-Bn-oxo-DO3A B-501
p-SCN-Bn-oxo-DO3A B-505
p-NH2-Bn-NOTA B-601
p-SCN-Bn-NOTA B-605
Desferrioxamine-p-SCN B-705
DOTA-Biotin-Sarcosine C-100
Samplet Pack- Bifunctionals S-100
Macrocyclic ligands大环配体  
We offer a wide range of aza-macrocyles that are useful for selective metal ion plexation. These include non-functionalized ligands as well as N-functionalized analogs with variable ligating pendant substituents.
Cyclen    M-100
Cyclam M-110
DO2A M-125
DOTA M-140
DOTP M-150
DOTMA M-160
TETA M-170
DOTAM M-180
DiAmSar M-190
CB-Cyclam M-200
CB-TE2A M-220
NOTA M-600
TACN M-90
MRI Contrast Agents核磁共振成像造影剂  
Magnetic Resonance Imaging (MRI) contrast agents are a group of contrast media used to improve the visibility of internal body structures using MRI. We offer agents that are being developed for the ability to measure physiological properties such as pH and temperature.
Tm-DOTA M-145
Gd-DOTA  M-147
Tm[DOTP]5- M-155
Tm-DOTA M-165
Eu-DOTA-4AmC M-503
Reactive Intermediates有机反应活性中间体  
Reactive aza-macrocyclic intermediates are used as building blocks for multi-step syntheses. These pounds utilize protected functionality that permits subseuent reactions to be performed in high yield and high purity.
BisCBZ-Cyclen I-121
TrisBOC-Cyclen I-131
DO2A-t-Bu-ester  M-120
DO3A-t-Bu-ester M-130
DiAmSar, 91002-72-1,美国Macrocyclics公司试剂
瑞禧生物研发生产的产品有几千种，包括单分散PEG、低分散PEG、荧光染料、PROTAC / ADC Linker、核酸递送辅料、脂质体用辅料、嵌段共聚物和点击化学产品等等。这些衍生物对生物制剂、纳米颗粒、材料表面、微球、自组装和小分子具有反应性。
瑞禧生物提供定制合成功能性高分子聚合物、多肽、纳米颗粒、表面修饰与偶联、靶向纳米探针的构建、多模态多功能微纳米体系的构建以及体外诊断试剂、分子影像探针、多功能诊疗制剂等服务。

瑞禧生物从未停止过技术的拓展与创新。凭借这充满进取的创新精神，我们已经为国内外高校、科研单位、材料研究中心、生物技术制药开发公司等等定制合成了各种功能化试剂，赢得了合作单位的长期信赖。
瑞禧生物致力于为全球客户提供高性价比的助力药物递送的产品服务。公司的奋斗目标是搭建一个国际知名的药物递送修饰平台，携手高端人才和所有合作伙伴，共同为人类各行各业的事业发展做出贡献！