carbocysteine sulfoxide

CAS NO.：5439-87-2

Purity: 95% above;

Appearance: Off-white solid

Product Name	Carbocisteine Impurity 2
Synonyms	carbocysteinesulfoxide;CarbocisteineSulfoxide;CarbocisteineImpurity2（CarbocisteineS-Oxide）;CarbocisteineSulfoxide(MixtureofdiastereoMers);(S)-Carboxymethyl-L-cysteine(R/S)-;CarbocisteineS-Oxide(S-Carboxymethyl-L-CysteineSulfoxide);L-Alanine,3-[(carboxymethyl)sulfinyl]-;(2R)-2-amino-3-((carboxymethyl)sulfinyl)propanoicacid
CAS NO	5439-87-2
Purity	95% above
MF	C5H9NO5S
MW	195.19
Contact	selina@coreychem.com

Carbocisteine Impurity 2 (CAS: 5439-87-2) is mainly used as an impurity reference standard in pharmaceutical research and quality control, rather than as an active pharmaceutical ingredient. Its main roles are:

Impurity Identification and Quantification
- This compound may be generated as an impurity during the production of Carbocisteine (a mucolytic agent).
- Researchers use it to establish analytical methods (such as HPLC, LC-MS) for detecting and quantifying impurities in the active pharmaceutical ingredient or finished product.
Quality Standard Compliance
- According to ICH Q3A/B, pharmacopeia, or regulatory requirements, impurities must be controlled.
- Carbocisteine Impurity 2 serves as a reference substance to help pharmaceutical companies verify drug quality and ensure safety and compliance.
Safety Assessment
- Used in studies to evaluate the potential toxicological risks of impurities in the drug.
- Typically required to be at very low levels, since exceeding the limit could affect drug approval or stability.

👉 In summary:

Carbocisteine Impurity 2 is not a drug and has no direct clinical use. Its value lies in being a reference/standard material for pharmaceutical research, quality control, and regulatory submissions.