Molekula
Erythromycin stearate
Erythromycin stearate is a semi-synthetic macrolide antibiotic used to treat bacterial infections, particularly in patients allergic to penicillin. It is available as a white to off-white powder with a molecular formula of C37H67NO13·C18H36O2 and a molecular weight of 1018.40 g/mol. It has a CAS number of 643-22-1 and should be stored at 2 to 8 °C. The substance is classified as dangerous. Molekula supplies Erythromycin stearate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
Erythromycin stearate is a semi-synthetic macrolide antibiotic used to treat bacterial infections, particularly in patients allergic to penicillin. It is available as a white to off-white powder with a molecular formula of C37H67NO13·C18H36O2 and a molecular weight of 1018.40 g/mol. It has a CAS number of 643-22-1 and should be stored at 2 to 8 °C. The substance is classified as dangerous. Molekula supplies Erythromycin stearate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Specifications
| Property | Value |
|---|---|
| Appearance | White powder |
| Water | ≤4.0% |
| Identification | Conforms to reference |
| Assay | A,B,C >55%, B <12%, C <5% |
| Ethanol | ≤0.5% |
| Residue on Ignition | ≤1.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Shelf Life | 24 months |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| CAS Number | 643-22-1 |
| Molecular Formula | C37H67NO13·C18H36O2 |
| Molecular Weight | 1018.40 |
| SMILES | CCCCCCCCCCCCCCCCCC(=O)O.CC[C@@H]1[C@@]([C@@H]([C@H](C(=O)[C@@H](C[C@@]([C@@H]([C@H]([C@@H]([C@H](C(=O)O1)C)O[C@H]2C[C@@]([C@H]([C@@H](O2)C)O)(C)OC)C)O[C@H]3[C@@H]([C@H](C[C@H](O3)C)N(C)C)O)(C |
| REACH Code | Y110 |
| HTS Code | 29415000 |
| Tariff Code | 2941500000 |
Safety & GHS
-
Explosive
GHS01
-
Flammable
GHS02
Hazard statements
- H317 May cause an allergic skin reaction
- H319 Causes serious eye irritation
- H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
For research and industrial use only
Documents
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Pricing & pack sizes
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is erythromycin stearate used for?
Erythromycin stearate is an antibiotic used to treat bacterial infections, particularly in patients allergic to penicillin.
What is the chemical formula and molecular weight of erythromycin stearate?
The formula is C37H67NO13·C18H36O2 with a molecular weight of 1018.40 g/mol.
How should erythromycin stearate be stored?
Store at 2 to 8 °C; protect from light and moisture.
What grade of erythromycin stearate does Molekula supply?
Molekula supplies pharmaceutical-grade erythromycin stearate suitable for research and development.
Can Molekula supply erythromycin stearate in bulk?
Yes, Molekula can supply erythromycin stearate in bulk quantities—please contact us for pricing and availability.
What documentation comes with an order of erythromycin stearate?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS); additional documentation is available upon request.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.