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Intermediates&Fine Chemicals

S-Carboxymethyl-L-cysteine

Category:

Intermediates&Fine Chemicals

CAS NO:

638-23-3

Standard:

In-house Standards,

Price Range:

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Main Sales Markets:

North America,Central/South America,Western Europe,Eastern Europe,Australasia,Asia,Middle East,Africa

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INNER MONGOLIA YUANHONG FINE CHEMICAL CO., LTD.

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Basic Info

CAS Number

638-23-3

Pharmacopoeia

In-house Standards

Grade

Pharmaceutical Grade

Is Manufacturer

Samples Provided

Product Description

S-Carboxymethyl-L-cysteine 638-23-3

AI Product Description

*The following content is generated by AI and is for reference only.

S-Carboxymethyl-L-cysteine, commonly known as Carbocisteine, is a well-established mucolytic agent widely utilized in respiratory medicine to manage conditions characterized by excessive or viscous mucus production. Its chemical identity is defined by the molecular formula C6H11NO4S and the CAS registry number 638-27-9. Structurally, this compound serves as a derivative of L-cysteine, featuring a carboxymethyl group attached to the sulfur atom of the amino acid backbone. This specific structural modification enhances its stability and efficacy compared to native cysteine, allowing it to function effectively within the human body without being rapidly metabolized. The primary therapeutic mechanism of S-Carboxymethyl-L-cysteine involves the disruption of disulfide bonds within mucoproteins found in sputum. By breaking these cross-links, the drug significantly reduces the viscosity and elasticity of respiratory secretions. Consequently, thick, sticky mucus becomes thinner and more fluid, facilitating easier expectoration through natural coughing mechanisms. This action is particularly beneficial for patients suffering from chronic obstructive pulmonary disease (COPD), bronchitis, asthma, and other chronic respiratory disorders where mucus hypersecretion impedes airflow and lung function. Beyond its direct mucolytic effects, emerging research suggests that Carbocisteine may possess additional protective properties. It appears to modulate inflammatory responses in the airways and can help restore the balance of endogenous antioxidants, potentially reducing oxidative stress associated with chronic lung inflammation. The drug is typically administered orally in various formulations, including capsules, tablets, and liquid solutions, offering flexibility for different patient demographics, including children and the elderly. Due to its favorable safety profile and proven efficacy over decades of clinical use, it remains a cornerstone therapy in global respiratory care protocols. While generally well-tolerated, standard precautions regarding gastrointestinal side effects and potential interactions with other medications are always observed during treatment. Overall, S-Carboxymethyl-L-cysteine stands as a vital pharmaceutical tool for improving quality of life in patients battling chronic respiratory ailments by ensuring clear airways and efficient lung function.