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Carboxymethyl chitosan (CAS 83512-85-0) - chemical structure image — Molecular structure of Carboxymethyl chitosan, CAS Number: 83512-85-0

Molecular structure of Carboxymethyl chitosan, CAS Number: 83512-85-0

Carboxymethyl chitosan (CAS 83512-85-0)

Name: Carboxymethyl chitosan | CAS 83512-85-0
Brand: SCBT
SKU: sc-358091
Price: 108.0 USD
Availability: InStock

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Application:

Carboxymethyl chitosan is a carbohydrate polysaccharide chitosan derivative

CAS Number:

83512-85-0

Purity:

Deacetylation degree 90%

Molecular Formula:

(C₈H₁₄NO₆)n

For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.

* Refer to Certificate of Analysis for lot specific data.

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Description

Technical Information

Safety Information

SDS & Certificate of Analysis

Carboxymethyl chitosan (CMC) is a carbohydrate polysaccharide. It is an important water-soluble chitosan derivative with many attractive chemical, physical and biological properties. Carboxymethyl chitosan is an efficient metal chelator and exhibits high adsorption capacities for dyes. It also displays antimicrobial, anticancer, antitumor, antioxidant, and antifungal biological activities in various areas such as wound healing, tissue engineering, drug/enzyme delivery, bioimaging, and cosmetics.

For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.

Alexa Fluor^® is a trademark of Molecular Probes Inc., OR., USA

LI-COR^® and Odyssey^® are registered trademarks of LI-COR Biosciences

Carboxymethyl chitosan (CAS 83512-85-0) References

Synthesis and pH sensitivity of carboxymethyl chitosan-based polyampholyte hydrogels for protein carrier matrices. | Chen, L., et al. 2004. Biomaterials. 25: 3725-32. PMID: 15020148
Preparation of carboxymethyl chitosan in aqueous solution under microwave irradiation. | Ge, HC. and Luo, DK. 2005. Carbohydr Res. 340: 1351-6. PMID: 15854605
The synthesis and antioxidant activity of the Schiff bases of chitosan and carboxymethyl chitosan. | Guo, Z., et al. 2005. Bioorg Med Chem Lett. 15: 4600-3. PMID: 16122924
Carboxymethyl chitosan as a matrix material for platinum, gold, and silver nanoparticles. | Laudenslager, MJ., et al. 2008. Biomacromolecules. 9: 2682-5. PMID: 18816099
Antimicrobial activity of hydroxylbenzenesulfonailides derivatives of chitosan, chitosan sulfates and carboxymethyl chitosan. | Zhong, Z., et al. 2009. Int J Biol Macromol. 45: 163-8. PMID: 19414029
Effects of carboxymethyl chitosan on the blood system of rats. | Fu, D., et al. 2011. Biochem Biophys Res Commun. 408: 110-4. PMID: 21463605
Effect of chitosan and carboxymethyl chitosan on fibrinogen structure and blood coagulation. | Zhang, W., et al. 2013. J Biomater Sci Polym Ed. 24: 1549-63. PMID: 23848448
Preparation, characterization and antioxidant activity of phenolic acids grafted carboxymethyl chitosan. | Liu, J., et al. 2013. Int J Biol Macromol. 62: 85-93. PMID: 23994782
The implications of recent advances in carboxymethyl chitosan based targeted drug delivery and tissue engineering applications. | Upadhyaya, L., et al. 2014. J Control Release. 186: 54-87. PMID: 24806482
Synthesis and antioxidant properties of chitosan and carboxymethyl chitosan-stabilized selenium nanoparticles. | Chen, W., et al. 2015. Carbohydr Polym. 132: 574-81. PMID: 26256384
Optimization of carboxymethyl chitosan synthesis using response surface methodology and desirability function. | Bukzem, AL., et al. 2016. Int J Biol Macromol. 85: 615-24. PMID: 26778157
Cytocompatible quaternized carboxymethyl chitosan/poly(vinyl alcohol) blend film loaded copper for antibacterial application. | Yin, M., et al. 2018. Int J Biol Macromol. 120: 992-998. PMID: 30176325
Edible coating based on beeswax-in-water Pickering emulsion stabilized by cellulose nanofibrils and carboxymethyl chitosan. | Xie, B., et al. 2020. Food Chem. 331: 127108. PMID: 32593036
Antioxidant and Moisturizing Properties of Carboxymethyl Chitosan with Different Molecular Weights. | Chaiwong, N., et al. 2020. Polymers (Basel). 12: PMID: 32605198
Comparative studies of chitosan and carboxymethyl chitosan doped with nickel and copper: Characterization and antibacterial potential. | Olanipekun, EO., et al. 2021. Int J Biol Macromol. 183: 1971-1977. PMID: 34052274

Ordering Information

Product Name	Catalog #	UNIT	Price	Qty	FAVORITES
Carboxymethyl chitosan, 25 g	sc-358091	25 g	$108.00
Carboxymethyl chitosan, 100 g	sc-358091A	100 g	$315.00

How many monomer units are there in this 25gms of CMCs

Asked by: Priya29

Thank you for your question. The molecular weight of polymers ranges between 50000 and 100000.

Answered by: Tech Support Europe

Date published: 2024-12-18

Hi, is this O-carboxymethyl chitosan? because I need carboxymethyl chitosan with free amine groups. best regards, Sara

Asked by: Sara

Thank you for your question. This compound is supplied as O-caboxymethyl chitosan. >80% of amino groups are retained.

Answered by: Tech Support Europe

Date published: 2024-09-05

Is this a salt with a counter ion, like sodium. -or is the structure as shown in the picture?

Asked by: DFM123

Thank you for your question. The reagent will be the same as the structure on the webpage.

Answered by: BlakeJ

Date published: 2023-06-16

I used the GPC to determine the molecular but it’s below 100kDa, but it’s not between 100kDa-300kDa that you answer under the question before. So I wonder what is actually the molecular weight of carboxymethyl chitosan?

Asked by: Anonymous

Thank you for your question. It would be helpful if you could call 800-457-3801, allowing for a more interactive discussion of this and other related questions.

Answered by: Technical Service

Date published: 2024-08-18

Please , what is the molecular weight of carboxymethyl chitosan?

Asked by: Dr Asmaa Elhoussiny

Thank you for your question. It would be helpful if you could call 800-457-3801, allowing for a more interactive discussion of this and other related questions.

Answered by: Technical Service

Date published: 2023-12-11

I only see the deacylation degree of this product, but this is the main parameter to describe the chitosan product. in terms of the carboxymethyl chitosan, what is the degree of carboxymethylation?

Asked by: Cedric210212912912

Thank you for your question! Please contact our technical service team directly for a certificate of analysis of the latest batch of this compound.

Answered by: Tech Support Europe

Date published: 2023-06-06

Is this carboxymethyl chitosan antibacterial?

Asked by: xyh001

Thank you for your question. There are online sources that suggest this but we have not tested or studied the antibacterial activity of this compound. Please contact our Asia Technical Support team for additional information. You may reach them by phone at (86 21) 6093-6350, by email at: asia@scbio.cn or by live chat directly on our website, www.scbt.com.

Answered by: Santa Cruz TS

Date published: 2021-07-07

Is this product (Carboxymethyl chitosan: sc-358091) USP or EP grade? Can I buy medical grade Carboxymethyl chitosan?

Asked by: ph1205

Thank you for your question. All of our products are of research grade quality and are not suitable for medical applications.

Answered by: Technical Support Europe

Date published: 2022-02-16

Carboxymethyl chitosan Questions - page 2

Rated 5 out of 5 by SCBT from Michelino Di Rosa; et alMichelino Di Rosa; et al. (PubMed ID: 24440516) demonstrated that Carboxymethyl chitosan decreased CHIT1 activity in Osteoclasts. -SCBT Publication Review

Date published: 2015-06-07

Carboxymethyl chitosan is rated 5.0 out of 5 by 1.

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Test	Specification	Results
Appearance	White to almost white crystallinepowder	Almost white crystalline powder
Deacetylation Degree	≥90%	90.2%
Residue on Ignition	≤3%	1.5%
Viscosity	19.5 – 20.5	20.0
Degree of Substitution	≥0.8	0.8
Heavy Metals	≤10ppm	Complies
Water Content	≤10%	7%

Carboxymethyl chitosan (CAS 83512-85-0)

Carboxymethyl chitosan (CAS 83512-85-0) References

SAMPLE Certificate of Analysis (COA)

How to request a Certificate of Analysis (COA) when it is not available online?

Carboxymethyl chitosan, 25 g

Carboxymethyl chitosan, 100 g

How many monomer units are there in this 25gms of CMCs

Hi, is this O-carboxymethyl chitosan? because I need carboxymethyl chitosan with free amine groups. best regards, Sara

Is this a salt with a counter ion, like sodium. -or is the structure as shown in the picture?

I used the GPC to determine the molecular but it’s below 100kDa, but it’s not between 100kDa-300kDa that you answer under the question before. So I wonder what is actually the molecular weight of carboxymethyl chitosan?

Please , what is the molecular weight of carboxymethyl chitosan?

I only see the deacylation degree of this product, but this is the main parameter to describe the chitosan product. in terms of the carboxymethyl chitosan, what is the degree of carboxymethylation?

Is this carboxymethyl chitosan antibacterial?

Is this product (Carboxymethyl chitosan: sc-358091) USP or EP grade? Can I buy medical grade Carboxymethyl chitosan?

Carboxymethyl chitosan (CAS 83512-85-0)

Carboxymethyl chitosan (CAS 83512-85-0) References

SAMPLE Certificate of Analysis (COA)

How to request a Certificate of Analysis (COA) when it is not available online?

Carboxymethyl chitosan, 25 g

Carboxymethyl chitosan, 100 g

How many monomer units are there in this 25gms of CMCs

Hi, is this O-carboxymethyl chitosan? because I need carboxymethyl chitosan with free amine groups. best regards, Sara

Is this a salt with a counter ion, like sodium. -or is the structure as shown in the picture?

I used the GPC to determine the molecular but it&rsquo;s below 100kDa, but it&rsquo;s not between 100kDa-300kDa that you answer under the question before. So I wonder what is actually the molecular weight of carboxymethyl chitosan?

Please , what is the molecular weight of carboxymethyl chitosan?

I only see the deacylation degree of this product, but this is the main parameter to describe the chitosan product. in terms of the carboxymethyl chitosan, what is the degree of carboxymethylation?

Is this carboxymethyl chitosan antibacterial?

Is this product (Carboxymethyl chitosan: sc-358091) USP or EP grade? Can I buy medical grade Carboxymethyl chitosan?

I used the GPC to determine the molecular but it’s below 100kDa, but it’s not between 100kDa-300kDa that you answer under the question before. So I wonder what is actually the molecular weight of carboxymethyl chitosan?