m-PEG15-胺

CAS: 2745717-94-4‌ 货号: M596446 分子式: C31H65NO15 分子量: 691.85
有货
级别和纯度: ≥98%
别名
2,5,8,11,14,17,20,23,26,29,32,35,38,41,44-十五氧杂四十六烷-46-胺 | 氨基十五甘醇单甲醚
储存条件
避光,-20°C储存,充氩
运输条件
超低温运输
★
规格
库存
价格
数量
50mg
M596446-50mg
现货 Stock Image
¥819.90
250mg
M596446-250mg
现货 Stock Image
¥2,659.90
请输入您要添加的产品数量
🧪

为什么选择此级别

提供 ≥98% 纯度,适用于对基线干扰要求严格的色谱和分析工作流程。

🌡

储存与运输

避光,-20°C储存,充氩。超低温运输 。请查阅批次 COA 获取详细规格。

📋

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。

📚

文献证明

在色谱分析、有机合成和交叉偶联反应领域已被 45 篇同行评审文献引用。

概述

m-PEG15-胺是一种含有氨基的PEG衍生物。氨基与羧酸、活化的NHS酯、羰基(酮、醛)等反应。亲水性PEG间隔物增加了在水性介质中的溶解度。
m-PEG15-amine is a PEG derivative containing an amino group. The amino group is reactive with carboxylic acids, activated NHS esters, carbonyls (ketone, aldehyde) etc. The hydrophilic PEG spacer increases solubility in aqueous media.

规格

别名
2,5,8,11,14,17,20,23,26,29,32,35,38,41,44-十五氧杂四十六烷-46-胺 | 氨基十五甘醇单甲醚
英文别名
2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-(2-methoxyethoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethanamine | HY-140227 | CED49348 | mPEG12-NH2 | MeO-peg12-NH2 | SCHEMBL2552793 | BP-21112 | mPEG-Amine | MFCD11041151 | BCP34421 | 1977
规格或纯度
≥98%
英文名称
m-PEG15-amine
储存条件
避光,-20°C储存,充氩
运输条件
超低温运输
纯度
≥98%
名称和识别符
分子类型
小分子
IUPAC Name
2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-(2-methoxyethoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethanamine
INCHI
1S/C25H53NO12/c1-27-4-5-29-8-9-31-12-13-33-16-17-35-20-21-37-24-25-38-23-22-36-19-18-34-15-14-32-11-10-30-7-6-28-3-2-26/h2-26H2,1H3
InChi Key
MSKSQCLPULZWNO-UHFFFAOYSA-N
Smiles
COCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCN
分子量
691.85

技术文档

📋 安全数据表 (SDS)

全面的危险、操作、储存及法规合规文件。

下载 SDS →

✅ 分析证书 (COA)

批次质量数据。输入批号以获取对应 COA。

查询 COA →

📊 产品数据表

产品规格和应用的快速参考摘要。

查看数据表 →

🔬 规格说明书

该级别的完整质量属性和验收标准。

查看规格说明 →

高级数据

系统学分类

分类树(Taxonomy Tree)

界(kingdom) 有机化合物
超类(Superclass) 有机氧化合物
类(Class) 有机氧化合物
亚类(Subclass) 醚
中间层级节点(Intermediate Tree Nodes) 暂无
直接上位类(Direct Parent) 二烷基醚
其他上位类(Alternative Parents) 单烷基胺  碳氢化合物衍生物  
分子骨架(Molecular Framework) 脂肪族无环化合物
取代基(Substituents) 脂肪族非环化合物 - 氨基酸 - 二烷基醚 - 烃衍生物 - 有机硝基化合物 - 有机氮化合物 - 初级脂肪胺 - 初级胺
描述(Description) 该化合物属于二烷基醚类有机化合物。这类化合物含有二烷基醚官能团,其通式为ROR',其中R和R'均为烷基。
外部描述符(External Descriptors) 暂无
三维结构
交互式化学结构模型





化学和物理性质
密度
1.082±0.06 g/cm3(Predicted)
敏感性
对光线敏感;对湿度敏感
分子量
559.700 g/mol
XLogP3
-2.500
氢键供体数Hydrogen Bond Donor Count
1
氢键受体数Hydrogen Bond Acceptor Count
13
可旋转键计数Rotatable Bond Count
35
精确质量Exact Mass
559.357 Da
单同位素质量Monoisotopic Mass
559.357 Da
拓扑极表面积Topological Polar Surface Area
137.000 Ų
重原子数Heavy Atom Count
38
形式电荷Formal Charge
0
复杂度Complexity
413.000
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):
输入批号以搜索分析图谱:

通过匹配包装上的批号来查找并下载产品的 COA,每批产品都进行了严格的验证,您可放心使用!

找到2个结果

批号(Lot Number) 证书类型 货号
I2611622 分析证书 M596446
I2611624 分析证书 M596446
此产品的引用文献
引用文献
1. Shengxiang Fu, Zhongyuan Cai, Li Liu, Xiaomin Fu, Chunchao Xia, Su Lui, Qiyong Gong, Bin Song, Hua Ai.  (2023)  PEGylated Amphiphilic Gd-DOTA Backboned-Bound Branched Polymers as Magnetic Resonance Imaging Contrast Agents.  BIOMACROMOLECULES,  [PMID:37945532] [10.1021/acs.biomac.3c00987]
2. Wang Zhaoyang, Li Zekai, Shi Yuehua, Zeng Leyong.  (2023)  Mesoporous polydopamine delivery system for intelligent drug release and photothermal-enhanced chemodynamic therapy using MnO2 as gatekeeper.  Regenerative Biomaterials,  [PMID:37936892] [10.1093/rb/rbad087]
3. Xinyue Guo, Miaomiao Zhang, Juan Qin, Zongjia Li, Christian Rankl, Xiue Jiang, Bailin Zhang, Dapeng Wang, Jilin Tang.  (2023)  Revealing the Effect of Photothermal Therapy on Human Breast Cancer Cells: A Combined Study from Mechanical Properties to Membrane HSP70.  ACS Applied Materials & Interfaces,  [PMID:37127843] [10.1021/acsami.3c02964]
4. Fei Zhou, Huiru Li, Yuying Liu, Haotian Deng, Jianhua Rong, Jianhao Zhao.  (2023)  Hyaluronan derivative decorated calcium carbonate nanoparticle as a potential platform for breast cancer synergistic therapy via blood coagulation and drug delivery.  JOURNAL OF DRUG DELIVERY SCIENCE AND TECHNOLOGY,  [10.1016/j.jddst.2023.104406]
5. Hong Xiao, Xiaoxia Li, Bo Li, Yin Zhong, Jingya Qin, Yong Wang, Shisong Han, Jie Ren, Xintao Shuai.  (2023)  Sono-promoted drug penetration and extracellular matrix modulation potentiate sonodynamic therapy of pancreatic ductal adenocarcinoma.  Acta Biomaterialia,  [PMID:36893956] [10.1016/j.actbio.2023.02.038]
6. Qingxu Song, Gongde Lan, Qian Li, Yang Lin, Xin Chen, Hong Liu, Yufeng Cheng, Yuxia Luan.  (2023)  A hydrogel-enabled cascade amplification of radiosensitization and immune activation for cancer radiotherapy.  CHEMICAL ENGINEERING JOURNAL,  [10.1016/j.cej.2023.142201]
7. Jinzha Zhang, Ke Zhang, Yijie Hao, Hongna Yang, Jingzhi Wang, Yawen Zhang, Wenbo Zhao, Shenglin Ma, Chun Mao.  (2022)  Polydopamine nanomotors loaded indocyanine green and ferric ion for photothermal and photodynamic synergistic therapy of tumor.  JOURNAL OF COLLOID AND INTERFACE SCIENCE,  [PMID:36473358] [10.1016/j.jcis.2022.11.099]
8. Jundong Lin, Huikang Yang, Yixun Zhang, Fen Zou, Huichan He, Wenjie Xie, Zhihao Zou, Ren Liu, Qianfeng Xu, Jie Zhang, Guowei Zhong, Yuejiao Li, ZhenFeng Tang, Yulin Deng, Shanghua Cai, Linyao Wang, Yugang Huang, Yangjia Zhuo, Xinqing Jiang, Weide Zhong.  (2022)  Ferrocene-Based Polymeric Nanoparticles Carrying Doxorubicin for Oncotherapeutic Combination of Chemotherapy and Ferroptosis.  Small,  19  (2): (2205024).  [PMID:36398604] [10.1002/smll.202205024]
9. Xiaoxian Huang, Lingfei Han, Ruyi Wang, Wanfang Zhu, Ning Zhang, Wei Qu, Wenyuan Liu, Fulei Liu, Feng Feng, Jingwei Xue.  (2022)  Dual-responsive nanosystem based on TGF-β blockade and immunogenic chemotherapy for effective chemoimmunotherapy.  DRUG DELIVERY,  [PMID:35506467] [10.1080/10717544.2022.2069877]
10. Sizhen Wang, Zhiqiang Ma, Zhang Shi, Ying Huang, Tianheng Chen, Lei Hou, Tao Jiang, Feng Yang.  (2022)  Chidamide stacked in magnetic polypyrrole nano-composites counter thermotolerance and metastasis for visualized cancer photothermal therapy.  DRUG DELIVERY,  [PMID:35475384] [10.1080/10717544.2022.2068697]
11. Tianhang Weng, Zejian He, Zhaohua Zhang, Yulong Chen, Mi Zhou, Bianying Wen.  (2022)  A facile method of functional derivatization based on starch acetoacetate.  CARBOHYDRATE POLYMERS,  [PMID:35483865] [10.1016/j.carbpol.2022.119468]
12. Jun Hong, Yating Tang, Mengting Zhou, Jing Deng, Hang Hu, Defeng Xu.  (2022)  Polyethylene glycol-modified mesoporous polydopamine nanoparticles co-loaded with dimethylcurcumin and indocyanine green for combination therapy of castration-resistant prostate cancer.  JOURNAL OF DRUG DELIVERY SCIENCE AND TECHNOLOGY,  [10.1016/j.jddst.2022.103158]
13. Haolin Chen, Zhiming Liu, Ouyang Jiang, Jingyang Zhang, Jun Huang, Xinru You, Zhiqing Liang, Wei Tao, Jun Wu.  (2021)  Nanocomposite of Au and black phosphorus quantum dots as versatile probes for amphibious SERS spectroscopy, 3D photoacoustic imaging and cancer therapy.  GIANT,  [10.1016/j.giant.2021.100073]
14. Zhou Haisen, Wang Yaoyi, Lu Hua.  (2021)  Intracellular delivery of His-tagged proteins via a hybrid organic–inorganic nanoparticle.  POLYMER JOURNAL,  53  (11): (1259-1267).  [10.1038/s41428-021-00526-7]
15. Huaqiang Li, Shuqiang Zhuang, Yang Yang, Fei Zhou, Jianhua Rong, Jianhao Zhao.  (2021)  ATP/Hyals dually responsive core-shell hyaluronan/chitosan-based drug nanocarrier for potential application in breast cancer therapy.  INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES,  [PMID:33965490] [10.1016/j.ijbiomac.2021.05.020]
16. Mengmin Jia, Yawei Guo, Haiyan Bian, Qipeng Zhang, Lan Zhang, Suojiang Zhang.  (2020)  An ultra-stable lithium plating process enabled by the nanoscale interphase of a macromolecular additive.  Journal of Materials Chemistry A,  8  (45): (23844-23850).  [10.1039/D0TA08492A]
17. Xiaoge Zhang, Junjie Tang, Chao Li, Yao Lu, Lili Cheng, Jie Liu.  (2020)  A targeting black phosphorus nanoparticle based immune cells nano-regulator for photodynamic/photothermal and photo-immunotherapy.  Bioactive Materials,  [PMID:32995674] [10.1016/j.bioactmat.2020.08.024]
18. Yiyan Song, Ping Zhu, Zhihui Xu, Jin Chen.  (2020)  Dual-Responsive Dual-Drug-Loaded Bioinspired Polydopamine Nanospheres as an Efficient Therapeutic Nanoplatform against Drug-Resistant Cancer Cells.  ACS Applied Bio Materials,  [PMID:35021804] [10.1021/acsabm.0c00512]
19. Siyu Guan, Qianqian Zhang, Jianwei Bao, Tijie Duan, Rongfeng Hu, Tori Czech, Jihui Tang.  (2019)  Phosphatidylserine targeting peptide-functionalized pH sensitive mixed micelles for enhanced anti-tumor drug delivery.  EUROPEAN JOURNAL OF PHARMACEUTICS AND BIOPHARMACEUTICS,  [PMID:31899369] [10.1016/j.ejpb.2019.12.012]
20. Peng Zhang, Qinan Xu, Xinfang Li, Youxiang Wang.  (2019)  pH-responsive polydopamine nanoparticles for photothermally promoted gene delivery.  Materials Science & Engineering C-Materials for Biological Applications,  [PMID:31924025] [10.1016/j.msec.2019.110396]
21. Jiaxin Wang, Chenjie Yao, Bin Shen, Xiaohui Zhu, Yong Li, Liyi Shi, Yong Zhang, Jinliang Liu, Yanli Wang, Lining Sun.  (2019)  Upconversion-Magnetic Carbon Sphere for Near Infrared Light-Triggered Bioimaging and Photothermal Therapy.  Theranostics,  [PMID:30809296] [10.7150/thno.27952]
22. Meng Li, Ying Wang, Huiming Lin, Fengyu Qu.  (2018)  Hollow CuS nanocube as nanocarrier for synergetic chemo/photothermal/photodynamic therapy.  Materials Science & Engineering C-Materials for Biological Applications,  [PMID:30606570] [10.1016/j.msec.2018.11.020]
23. Yana Liu, Cheng Zhang, Hui Liu, Yuebin Li, Zushun Xu, Ling Li, Andrew Whittaker.  (2018)  Controllable synthesis of up-conversion nanoparticles UCNPs@MIL-PEG for pH-responsive drug delivery and potential up-conversion luminescence/magnetic resonance dual-mode imaging.  JOURNAL OF ALLOYS AND COMPOUNDS,  [10.1016/j.jallcom.2018.03.355]
24. Yuhua Chen, Feng Zhang, Qian Wang, Huiming Lin, Ruihan Tong, Na An, Fengyu Qu.  (2018)  The synthesis of LA-Fe3O4@PDA-PEG-DOX for photothermal therapy–chemotherapy.  DALTON TRANSACTIONS,  47  (7): (2435-2443).  [PMID:29379913] [10.1039/C7DT04080F]
25. Zhuang Xu, Wenjing Lou, Xinhu Wu, Xiaobo Wang, Junying Hao.  (2017)  Investigating the tribological behavior of PEGylated MoS2 nanocomposites as additives in polyalkylene glycol at elevated temperature.  RSC Advances,  7  (84): (53346-53354).  [10.1039/C7RA10992J]
26. Shao-Lu Li, Yaoyi Wang, Jingfang Zhang, Wei Wei, Hua Lu.  (2017)  Targeted delivery of a guanidine-pendant Pt(IV)-backboned poly-prodrug by an anisamide-functionalized polypeptide.  Journal of Materials Chemistry B,  5  (48): (9546-9557).  [PMID:32264569] [10.1039/C7TB02513K]
27. Yi Li, Zhiming Liu, Yuqing Hou, Guangcun Yang, Xixi Fei, Henan Zhao, Yanxian Guo, Chengkang Su, Zhen Wang, Huiqing Zhong, Zhengfei Zhuang, Zhouyi Guo.  (2017)  Multifunctional Nanoplatform Based on Black Phosphorus Quantum Dots for Bioimaging and Photodynamic/Photothermal Synergistic Cancer Therapy.  ACS Applied Materials & Interfaces,  [PMID:28671452] [10.1021/acsami.7b05824]
28. Xiang-Ru You, Xiao-Jie Ju, Fan He, Yuan Wang, Zhuang Liu, Wei Wang, Rui Xie, Liang-Yin Chu.  (2017)  Polymersomes with Rapid K+-Triggered Drug-Release Behaviors.  ACS Applied Materials & Interfaces,  [PMID:28514157] [10.1021/acsami.7b05701]
29. Shao-Lu Li, Yingqin Hou, Yali Hu, Jin Yu, Wei Wei, Hua Lu.  (2017)  Phosphatase-triggered cell-selective release of a Pt(IV)-backboned prodrug-like polymer for an improved therapeutic index.  Biomaterials Science,  5  (8): (1558-1566).  [PMID:28181619] [10.1039/C6BM00935B]
30. Wei Zhang, Jianliang Shen, Hua Su, Ge Mu, Jing-Hua Sun, Cai-Ping Tan, Xing-Jie Liang, Liang-Nian Ji, Zong-Wan Mao.  (2016)  Co-Delivery of Cisplatin Prodrug and Chlorin e6 by Mesoporous Silica Nanoparticles for Chemo-Photodynamic Combination Therapy to Combat Drug Resistance.  ACS Applied Materials & Interfaces,  [PMID:27164222] [10.1021/acsami.6b03881]
31. Dong Haixin, Jin Mei, Liu Zhiming, Xiong Honglian, Qiu Xuejun, Zhang Wen, Guo Zhouyi.  (2016)  In vitro and in vivo brain-targeting chemo-photothermal therapy using graphene oxide conjugated with transferrin for Gliomas.  LASERS IN MEDICAL SCIENCE,  31  (6): (1123-1131).  [PMID:27189185] [10.1007/s10103-016-1955-2]
32. Suhang Wang, Tao Xu, Yuhong Yang, Zhengzhong Shao.  (2015)  Colloidal Stability of Silk Fibroin Nanoparticles Coated with Cationic Polymer for Effective Drug Delivery.  ACS Applied Materials & Interfaces,  [PMID:26331584] [10.1021/acsami.5b05335]
33. Yan Wang, Lei Sun, Bingqing Yu, Shaotong Li, Shian Zhong.  (2015)  One-pot preparation of boronic acid and PEG bi-functionalized silica particles for separation and purification of catecholamine from rat serum.  NEW JOURNAL OF CHEMISTRY,  39  (11): (8848-8854).  [10.1039/C5NJ01965F]
34. Yunna Kong, Wenyu Li, Qianying Mao, Youxiang Wang.  (2015)  Development of Supramolecular Pseudo-Block Conjugates Based on Star-Shaped Polycation for DNA Delivery.  MACROMOLECULAR CHEMISTRY AND PHYSICS,  216  (14): (1507-1515).  [10.1002/macp.201500146]
35. Fang Li, Jianfeng Ye, Linming Yang, Chunhua Deng, Qing Tian, Bo Yang.  (2015)  Surface modification of ultrafiltration membranes by grafting glycine-functionalized PVA based on polydopamine coatings.  APPLIED SURFACE SCIENCE,  [10.1016/j.apsusc.2015.03.189]
36. Junping Zhang, Fuyao Liu, Tao Li, Xiuxia He, Zhenxin Wang.  (2014)  Surface charge effect on the cellular interaction and cytotoxicity of NaYF4:Yb3+, Er3+@SiO2 nanoparticles.  RSC Advances,  5  (10): (7773-7780).  [10.1039/C4RA11374H]
37. Yan Sun, Wenxin Fu, Zhibo Li, Zhaohui Wang.  (2014)  Tailorable Aqueous Dispersion of Single-Walled Carbon Nanotubes Using Tetrachloroperylene-Based Bolaamphiphiles via Noncovalent Modification.  LANGMUIR,  [PMID:24984932] [10.1021/la502222d]
38. Zejian He, Jun Wu, Zhen He, Jia Chen, Weipin Fang, Yifan Zhang, Xinyi Shen, Yangjing Ren, Yulong Chen, Jianguo He, Donghai Yan, Pin Chen, Mi Zhou.  (2025)  A Paper-Based Sensor for the Detection of Gastroesophageal Reflux Disease Utilizing a Cleavable Fluorescent Polymer.  Advanced Healthcare Materials,  [PMID:39823160] [10.1002/adhm.202402919]
39. Jundong Lin, Xiaoxia Cai, Fen Zou, Wenjie Xie, Zhihao Zou, Muqi Chen, Yixun Zhang, Huichan He, Qianfeng Xu, Guowei Zhong, Shanghua Cai, Zhenjie Wu, Jianming Lu, Jianheng Ye, Yingke Liang, Yaqiang Huang, Yangjia Zhuo, Huikang Yang, Weide Zhong.  (2024)  Fluorescent Nanoparticles Achieve Efficient Photothermal Conversion and Enhanced Antitumor Efficacy Through Intermolecular Aggregation-Caused Quenching.  Aggregate,  [10.1002/agt2.723]
40. Weibing Wu, Sijie Li, Wen Deng, Shanshan Zhai, Youlu Chu, Xingyue Liu, Peng Li, Lei Zhang.  (2024)  One-dimensional SERS Nanoprobes based on Cellulose Nanocrystals and their Biomaging Performance.  COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS,  [10.1016/j.colsurfa.2024.133932]
41. Dajun Hou, Jie Shen, Jingjing Zhou, Yuanying Yu, Wen Chen, Pengchao Zhang, Jing Zhou.  (2024)  PVDF-Based Nanocomposites with Increased Crystallinity and Polar Phases toward High Energy Storage Performance.  ACS Applied Energy Materials,  [10.1021/acsaem.4c02037]
42. Liu Qingyao, Fang Hanyi, Gai Yongkang, Lan Xiaoli.  (2020)  pH-Triggered Assembly of Natural Melanin Nanoparticles for Enhanced PET Imaging.  Frontiers in Chemistry,  [PMID:33134253] [10.3389/fchem.2020.00755]
43. Meirong Huo, Qinnv Zhu, Qu Wu, Tingjie Yin, Lei Wang, Lifang Yin, Jianping Zhou.  (2015)  Somatostatin Receptor–Mediated Specific Delivery of Paclitaxel Prodrugs for Efficient Cancer Therapy.  JOURNAL OF PHARMACEUTICAL SCIENCES,  [PMID:25820241] [10.1002/jps.24438]
44. Lin Yang, Wanfu Zhong, Jincan Chen, Ruyi Huang, Wenzhen Liu, Tao Dai, Jieming Xie, Ping Hu, Bowen Li, Zhuo Chen.  (2025)  Fibrin-targeted photosensitizer aggregates significantly enhance the delivery of chemotherapeutic drugs to tumor vasculature.  Biomaterials Advances,  [PMID:40555158] [10.1016/j.bioadv.2025.214393]
45. Jialu Chen, Zhimei He, Yapeng Li, Mengwei Chen, Zheng Cai, Yun Chen, Yimin Fang, Hao Zhu.  (2025)  Monitoring Chemotherapeutic Drugs Release from the Single Core–Shell Nanocarrier at a Monolayer Graphene-Based Total Internal Reflection Imaging Platform.  ANALYTICAL CHEMISTRY,  [PMID:41047532] [10.1021/acs.analchem.5c04386]
溶液计算器

常见问题

本产品的纯度是多少?
本产品的化学纯度(含量)为 ≥98%。批次的具体数值以分析证书(COA)为准。
本产品应如何储存?
请于?20 °C、避光、氩气保护条件下保存。本品在氩气保护下供应,每次取用后请在惰性气体下重新密封。
本产品如何运输?
本产品采用保温箱配冰袋运输。收货后请立即拆包,并按上述储存条件保存。
本产品的 CAS 号、分子式和分子量是多少?
本产品的 CAS 号为 2745717-94-4?,分子式为 C31H65NO15,分子量为 691.85 g/mol。InChIKey MSKSQCLPULZWNO-UHFFFAOYSA-N。
如何获取批次专用COA?
每个订单都会随附分析证书(COA),您也可以从账户订单历史中下载。如需订购前的COA,请联系您的客户代表,或使用PDP上的"申请COA"按钮——我们将提供代表性批次的COA。