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Erythromycin stearate

CAS 643-22-1 C37H67NO13·C18H36O2 MW 1018.40 Made to order

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.

CoA by batch

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 &deg;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

Danger
  • GHS pictogram — Explosive Explosive GHS01
  • GHS pictogram — Flammable 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

Not for use in food, drugs, household, or in or on humans or animals. Consult the Safety Data Sheet before handling.

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

Pack sizes & pricing

Pricing on request — packs available from research to bulk quantities.

Prices exclude VAT/sales tax and shipping. Bulk and custom pack sizes available on request.

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.

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