Dirithromycin
Dirithromycin (CAS 62013-04-1) is a synthetic derivative of erythromycin, classified as an antibacterial agent. This macrolide antibiotic is supplied by TSS as an analytical standard for drug analysis, conforming to a minimum purity of 95% by TLC. Its apparent molecular weight is 835.1 g/mol. Dirithromycin is primarily utilised in research and pharmaceutical analysis, adhering to strict quality controls for reliable scientific applications.
- IUPAC
- [9S(R)]-9-Deoxo-11-deoxy-9,11-[imino[2-(2-methoxy)ethylidene]oxy]erthromycin; LY-237216

Antibacterial Research
Dirithromycin serves as a valuable tool in antibacterial research, enabling scientists to investigate mechanisms of action and resistance of macrolide antibiotics. Its defined purity as an analytical standard ensures reproducible experimental outcomes.
Pharmaceutical Analysis
As an analytical standard for drug analysis, Dirithromycin is employed in the quality control of pharmaceutical products. It aids in the identification and quantification of related substances or impurities in erythromycin-based formulations.
Reference Standard
This compound functions as a certified reference standard, crucial for calibrating analytical instruments and validating analytical methods in pharmacopoeial and R&D laboratories. Its use ensures adherence to analytical specifications.
| Assay | ≥95% (TLC) |
|---|---|
| Grade | analytical standard, for drug analysis |
| Form | solid |
| Application | Antibacterial. |

Hazard statements
- H317May cause an allergic skin reaction
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 42/43 |
| Safety statements (S) | 36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Mol Wt | apparent mol wt 835.1 |
|---|
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Dirithromycin used for?
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Dirithromycin is used as an antibacterial agent, specifically supplied as an analytical standard for drug analysis and in antibacterial research.
What is the CAS number and formula for Dirithromycin?
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The CAS number for Dirithromycin is 62013-04-1. The chemical formula is not provided in the data.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Dirithromycin as an analytical standard with a purity of ≥95% (TLC). It is not represented as USP, BP, or EP grade.
How should Dirithromycin be handled safely?
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Dirithromycin is classified as a Warning substance with hazard statement H317 (May cause an allergic skin reaction). Appropriate personal protective equipment, including a dust mask (N95 US), eyeshields, faceshields, and gloves, should be used. Avoid skin contact and inhalation.
How is Dirithromycin packed, shipped, and exported?
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Dirithromycin is carefully packed to maintain its integrity during transit. As a global supplier, Tech Serve Solutions has extensive experience in exporting chemicals worldwide, adhering to all relevant shipping regulations.
How can I request a sample or quote for Dirithromycin?
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To request a sample or obtain a quote for Dirithromycin, please contact our sales team through the website or by phone, providing your specific requirements.
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