Chitosan oligosaccharide(COS) - Molecular weight≤2000 , CAS No.148411-57-8

CAS: 148411-57-8 Cat. No.: C302935 EC Number: 604-631-8
AVAILABLE TO ORDER
GRADE & PURITY Molecular weight≤2000
Synonyms
A-D-glucopyranose | (2R,3S,4R,5R,6S)-5-amino-6-[(2R,3S,4R,5R,6R)-5-amino-4,6-dihydroxy-2-(hydroxymethyl)oxan-3-yl]oxy-2-(hydroxymethyl)oxane-3,4-diol | beta-D-glucosaminyl-(1->4)-beta-D-glucosamine | Q27122179 | (2R,3R,4R,5S,6R)-3-amino-5-{[(2S,3R,4R,5S,6
Storage
Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
5g
C302935-5g
10
$33.90
25g
C302935-25g
10
$110.90
100g
C302935-100g
5
$252.90
Enter a quantity for the sizes you want to add.
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Why this grade

Molecular weight≤2000 for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Room temperature Ships Normal Check lot-specific COA for exact specifications.

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Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

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Literature proof

Cited in 27 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
A-D-glucopyranose | (2R, 3S, 4R, 5R, 6S)-5-amino-6-[(2R, 3S, 4R, 5R, 6R)-5-amino-4, 6-dihydroxy-2-(hydroxymethyl)oxan-3-yl]oxy-2-(hydroxymethyl)oxane-3, 4-diol | beta-D-glucosaminyl-(1->4)-beta-D-glucosamine | Q27122179 | (2R, 3R, 4R, 5S, 6R)-3-amino-5-{[(2S, 3R, 4R, 5S, 6
Specifications & Purity
Molecular weight≤2000
Storage
Room temperature
Shipped In
Normal
Names and Identifiers
Pubchem Sid488199203
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488199203
Canonical SmilesC(C1C(C(C(C(O1)OC2C(OC(C(C2O)N)O)CO)N)O)O)O
IUPAC Name(2R,3S,4R,5R,6S)-5-amino-6-[(2R,3S,4R,5R,6R)-5-amino-4,6-dihydroxy-2-(hydroxymethyl)oxan-3-yl]oxy-2-(hydroxymethyl)oxane-3,4-diol
InChIKeyQLTSDROPCWIKKY-PMCTYKHCSA-N
INCHI1S/C12H24N2O9/c13-5-9(19)10(4(2-16)21-11(5)20)23-12-6(14)8(18)7(17)3(1-15)22-12/h3-12,15-20H,1-2,13-14H2/t3-,4-,5-,6-,7-,8-,9-,10-,11-,12+/m1/s1
Isomeric SMILES C([C@@H]1[C@H]([C@@H]([C@H]([C@@H](O1)O[C@@H]2[C@H](O[C@H]([C@@H]([C@H]2O)N)O)CO)N)O)O)O
Reaxy-Rn 25642292
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=25642292&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganic oxygen compounds
ClassOrganooxygen compounds
SubclassCarbohydrates and carbohydrate conjugates
Intermediate Tree Nodes Aminosaccharides
Direct ParentAminoglycosides
Alternative Parents O-glycosyl compounds  Disaccharides  Oxanes  Secondary alcohols  Hemiacetals  1,2-aminoalcohols  Oxacyclic compounds  Acetals  Primary alcohols  Organopnictogen compounds  Monoalkylamines  Hydrocarbon derivatives  
Molecular FrameworkAliphatic heteromonocyclic compounds
Substituents Aminoglycoside core - Disaccharide - Glycosyl compound - O-glycosyl compound - Oxane - 1,2-aminoalcohol - Hemiacetal - Secondary alcohol - Organoheterocyclic compound - Acetal - Oxacycle - Organonitrogen compound - Alcohol - Primary aliphatic amine - Hydrocarbon derivative - Organopnictogen compound - Organic nitrogen compound - Amine - Primary alcohol - Primary amine - Aliphatic heteromonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as aminoglycosides. These are molecules or a portion of a molecule composed of amino-modified sugars.
External Descriptors beta-D-glucosaminyl-(1->4)-D-glucosamine
3D Structure
Interactive Chemical Structure Model





Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

16 results found

Lot NumberCertificate TypeDateItem
D23211404Certificate of AnalysisFeb 04, 2026 C302935
D23211408Certificate of AnalysisFeb 04, 2026 C302935
D23211426Certificate of AnalysisFeb 04, 2026 C302935
D23211527Certificate of AnalysisFeb 04, 2026 C302935
D23211538Certificate of AnalysisFeb 04, 2026 C302935
H2511457Certificate of AnalysisJun 25, 2025 C302935
H2511458Certificate of AnalysisJun 25, 2025 C302935
H2511459Certificate of AnalysisJun 25, 2025 C302935
D2524206Certificate of AnalysisMar 24, 2025 C302935
D2524207Certificate of AnalysisMar 24, 2025 C302935
D2529285Certificate of AnalysisMar 24, 2025 C302935
D23211427Certificate of AnalysisDec 17, 2022 C302935
J2430208Certificate of AnalysisDec 17, 2022 C302935
I2221282Certificate of AnalysisDec 15, 2021 C302935
I2221290Certificate of AnalysisDec 15, 2021 C302935
I2221291Certificate of AnalysisDec 15, 2021 C302935

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Chemical and Physical Properties
Molecular Weight340.330 g/mol
XLogP3-5.200
Hydrogen Bond Donor Count8
Hydrogen Bond Acceptor Count11
Rotatable Bond Count4
Exact Mass340.148 Da
Monoisotopic Mass340.148 Da
Topological Polar Surface Area201.000 Ų
Heavy Atom Count23
Formal Charge0
Complexity390.000
Isotope Atom Count0
Defined Atom Stereocenter Count10
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Documents & Articles
Citations of This Product
References
1. Jinhui Tang, Guangye Tu, Zongshuo Tao, Yu Yan.  (2023)  New Insights into the Dissolution Kinetics of Alite Powder and the Effects of Organic Toughening Materials.  Materials,  16  (22): (7242).  [PMID:38005173] [10.3390/ma16227242]
2. Hongmei Yu, Yuanrong Zheng, Changyu Zhou, Lianliang Liu, Libin Wang, Jinxuan Cao, Yangyin Sun, Jun He, Daodong Pan, Zhendong Cai, Qiang Xia.  (2023)  Tunability of Pickering particle features of whey protein isolate via remodeling partial unfolding during ultrasonication-assisted complexation with chitosan/chitooligosaccharide.  CARBOHYDRATE POLYMERS,      [PMID:38008470] [10.1016/j.carbpol.2023.121583]
3. Pierre Dramou, Yiyang Sun, Xu Ni, Fangqi Wang, Hua He.  (2023)  In-depth descriptive investigation of composite sorbent based self-assembled magnetic halloysite nanotube-graphene oxide: Actual use case study for rutin.  APPLIED CLAY SCIENCE,      [PMID:] [10.1016/j.clay.2023.107193]
4. Rui Wang.  (2023)  Bi-layer graphite felt as the positive electrode for zinc-bromine flow batteries: Achieving efficient redox reaction and stable mass transport.  Journal of Energy Storage,      [PMID:] [10.1016/j.est.2023.109487]
5. Kaibo Xu, Liqin Cao, Zhouyu Wang, Liu-ping Chen.  (2023)  Heparin-Mimetic Chitooligosaccharides-Based Monoliths Obtained from C/W Emulsions: Hemocompatibility and Toxin Removal Ability.  ACS Biomaterials Science & Engineering,      [PMID:37703897] [10.1021/acsbiomaterials.3c00833]
6. Li-wei Liu, Zheng-hao Ding, Ganggang Ren, Guang-di Wang, Xin Pan, Guo-hai Wei, Xiang Zhou, Zhi-bing Wu, Zhi-chao Jin, Yonggui Robin Chi, Song Yang.  (2023)  Inorganic Nanoparticles–Driven Self–Assembly of natural small molecules in water for constructing multifunctional nanocapsules against plant diseases.  CHEMICAL ENGINEERING JOURNAL,      [PMID:] [10.1016/j.cej.2023.146041]
7. Kaibo Xu, Liqin Cao.  (2023)  Sulfonated Hydrogel Formed via CO2-in-Water Emulsion: Potential in Antibiotic Removal.  Gels,  (9): (703).  [PMID:37754384] [10.3390/gels9090703]
8. Mengqi Jia, Ruilin Lu, Caikun Liu, Xiaodong Zhou, Pengfei Li, Shiyong Zhang.  (2023)  In Situ Implantation of Chitosan Oligosaccharide-Doped Lipoic Acid Hydrogel Breaks the “Vicious Cycle” of Inflammation and Residual Tumor Cell for Postoperative Skin Cancer Therapy.  ACS Applied Materials & Interfaces,      [PMID:37358539] [10.1021/acsami.3c03355]
9. Zhe Luo, Yang Zhang.  (2022)  Construction of a Chitosan/ZnO-Based Light-Resistant Coating System to Protect Dyed Wood from Ultraviolet Irradiation via Layer-by-Layer Self-Assembly.  INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES,  23  (24): (15735).  [PMID:36555382] [10.3390/ijms232415735]
10. Xinlong Wang, Huahui Zeng, Xin Zhu, Duanjie Xu, Qikang Tian, Can Wang, Lingzhou Zhao, Junwei Zhao, Mingsan Miao, Xiangxiang Wu.  (2022)  TP-CSO: A Triptolide Prodrug for Pancreatic Cancer Treatment.  MOLECULES,  27  (12): (3686).  [PMID:35744811] [10.3390/molecules27123686]
11. Chun-Xia Zhang, Yu Wang, Xinhe Duan, Kai Chen, Hong-Wei Li, Yuqing Wu.  (2022)  Development of cytidine 5′-monophosphate-protected gold-nanoclusters to be a direct luminescent substrate via aggregation-induced emission enhancement for ratiometric determination of alkaline phosphatase and inhibitor evaluation.  COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS,      [PMID:] [10.1016/j.colsurfa.2022.128423]
12. Liu Xiaoli, Xie Wancui, Yang Xihong, Zhan Xiaobei, Xia Wenshui.  (2019)  Antimicrobial Polymer with Enhanced Activity and Reduced Toxicity upon Grafting to Chitosan Oligosaccharide.  ARABIAN JOURNAL FOR SCIENCE AND ENGINEERING,  45  (1): (29-40).  [PMID:] [10.1007/s13369-019-04260-4]
13. Wen Li, Qi-Wen Chen, Jin-Xuan Fan, Zi-Yi Han, Wen-Fang Song, Xuan Zeng, Xian-Zheng Zhang.  (2024)  Bacterial Biohybrids for Invasion of Tumor Cells Promote Antigen Cross-Presentation Through Gap Junction.  ADVANCED MATERIALS,      [PMID:38563503] [10.1002/adma.202402532]
14. Shujie Cheng, Shimin Wu, Jianqiang Lan.  (2024)  Beta-carotene and astaxanthin inhibit the formation of polycyclic aromatic hydrocarbons and oxygenated polycyclic aromatic hydrocarbons in butter during heat treatment.  INTERNATIONAL JOURNAL OF DAIRY TECHNOLOGY,      [PMID:] [10.1111/1471-0307.13158]
15. Zhimin Deng, Hua Liu, Gantao Chen, Hongbing Deng, Xiangyang Dong, Linlin Wang, Fenghua Tao, Fangfang Dai, Yanxiang Cheng.  (2024)  Coaxial nanofibrous aerogel featuring porous network-structured channels for ovarian cancer treatment by sustained release of chitosan oligosaccharide.  INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES,      [PMID:39002906] [10.1016/j.ijbiomac.2024.133824]
16. Wenshang Guo, Ye Tao, Ruizhe Yang, Kaihao Mao, Hongwei Zhou, Minghui Xu, Tie Sun, Xiao Li, Changrui Shi, Zhenyou Ge, Rui Xue, Haizhou Zhou, Yukun Ren.  (2024)  Compact highly sensitive photothermal RT-LAMP chip for simultaneous multidisease detection.  Science Advances,  10  (46):   [PMID:39536102] [10.1126/sciadv.adq2899]
17. Nanqi Zhao, Chaofan Guo, Ziyao Liu, Lin Chen, Yayun Hu, Minyi Han, Feng Huang, Zhuangli Kang, Xianchao Feng.  (2024)  Effects of different hydrocolloids on the 3D printing and thermal stability of chicken paste.  INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES,      [PMID:39032898] [10.1016/j.ijbiomac.2024.134006]
18. Kangshuai Lou, Yuanrong Zheng, Hongmei Yu, Xiaohan Tan, Libin Wang, Changmin Tong, Siqiang Huang, Xintong Cai, Changyu Zhou, Jinxuan Cao, Daodong Pan, Zhen Wu, Hao Zhang, Qiang Xia.  (2024)  Influence of whey protein isolate-chitosan oligosaccharide micro gel pickering emulsion on reducing fat bioaccessibility and physicochemical features of cheddar cheese.  Food Bioscience,      [PMID:] [10.1016/j.fbio.2024.105771]
19. Xiaokang Na, Bowen Zou, Xiaohan Zheng, Xueer Yu, Ling Zhang, Xianbing Xu, Ming Du, Chao Wu.  (2024)  One-step spraying of protein-anchored chitosan oligosaccharide antimicrobial coating for food preservation.  INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES,      [PMID:38908638] [10.1016/j.ijbiomac.2024.133330]
20. Hongmei Yu, Yuanrong Zheng, Kangshuai Lou, Changyu Zhou, Jinxuan Cao, Lihui Du, Yangying Sun, Jun He, Daodong Pan, Zhendong Cai, Qiang Xia.  (2024)  Proposing moderate unfolding of interfacial proteins to enhance the techno-functional features of complex microgel particles formed by whey protein-chitooligosaccharide conjugation.  FOOD HYDROCOLLOIDS,      [PMID:] [10.1016/j.foodhyd.2024.110329]
21. Zhaoxin Xia, Yulong Liao, Ge Gao, Shiyong Zhang.  (2024)  Rifampicin-Loaded Polyelectrolyte Complex Eliminates Intracellular Bacteria through Thiol-Mediated Cellular Uptake and Oxidative Stress Enhancement.  ACS Applied Bio Materials,      [PMID:38507285] [10.1021/acsabm.4c00143]
22. Jia Wan, Meifang Yin, Feng Wang, Guangtao Huang, Ilaria Dal Pra, Yongzhi Liang, Jun Wu.  (2025)  Natural gelatin / chitosan oligosaccharides / emodin eutectogels with multiple antibacterial effects for accelerated infected wound healing.  INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES,      [PMID:40628324] [10.1016/j.ijbiomac.2025.145771]
23. Yuting Sun, Junnan He, Yongyan Sun, Lidong Wang, Haidu Li, Yaqi Miao, Ping Shi, Jin Zhang, Kaixuan Luo, Yan Zhao.  (2025)  Smart-responsive dual cross-linked chitooligosaccharide nanoparticles with high stability and ROS-triggered self-accelerating drug release for enhanced breast cancer therapy.  CARBOHYDRATE RESEARCH,      [PMID:40967161] [10.1016/j.carres.2025.109671]
24. Zilin Wang, Ye Zhao, Min Yang, Yuanli Wang, Yue Wang, Chongying Shi, Tianyi Dai, Yifan Wang, Liang Tao, Yang Tian.  (2024)  Glycated Walnut Meal Peptide–Calcium Chelates: Preparation, Characterization, and Stability.  Foods,  13  (7): (1109).  [PMID:38611413] [10.3390/foods13071109]
25. Tian Xiuzhi, Xiao Jiale, Bai Haozhe, Aissa Fatima Ait, Li Wei, Zhao Dou, Jiang Xue.  (2025)  Nanocomposites of chito-oligosaccharide grafted boron nitride nanosheets/carboxymethyl cellulose for thermal management of flexible electronic devices.  CELLULOSE,      [PMID:] [10.1007/s10570-025-06790-7]
26. Yunfeng Tang, Xiangtian Deng, Min Yi, Dong Wang, Cheng Zheng, Shichang Zhao, Renliang Zhao.  (2025)  An Injectable Hydrogel Co-Delivering Propranolol and Imiquimod to Synergistically Enhance Immunogenic Cell Death after Melanoma Resection.  Advanced Healthcare Materials,      [PMID:41126715] [10.1002/adhm.202503019]
27. Wei Wan, Rui Zhang, Lingyi Gao, Aijun Jian, Xianbing Xu, Xiaokang Na, Ming Du, Jianyu Zhu, Beiwei Zhu, Chao Wu.  (2025)  Mechanisms of heat-activated soy protein isolate-chitosan oligosaccharide complexation: Synergistic interactions for enhanced gelation.  CARBOHYDRATE POLYMERS,      [PMID:41371847] [10.1016/j.carbpol.2025.124703]
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