Skip to content
Molekula

Molekula

Spiramycin

CAS 8025-81-8 C43H74N2O14 MW 843.05 Made to order

Spiramycin is a macrolide antibiotic used in veterinary medicine and research for treating bacterial infections. It is available in powder form with a molecular weight of 843.05 g/mol, a molecular formula of C43H74N2O14, and a CAS number of 8025-81-8. Store at 2 to 8 °C. Hazard symbol: Danger. Molekula supplies Spiramycin from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

CoA by batch

Overview

Spiramycin is a macrolide antibiotic used in veterinary medicine and research for treating bacterial infections. It is available in powder form with a molecular weight of 843.05 g/mol, a molecular formula of C43H74N2O14, and a CAS number of 8025-81-8. Store at 2 to 8 °C. Hazard symbol: Danger. Molekula supplies Spiramycin from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Specifications

Property Value
Appearance Off White Powder
Assay/Purity >4100IU/mg
Conclusion Conforms to EP5.0
Heavy metals < 20ppm
Identification Conforms to reference
Loss on Drying < 3.5%
Sulphated Ash < 1.0%
Ethanol < 2.0%
Specific optical rotation -85 to -80 deg
Water Content (KF) <3.5%

Storage & handling

Property Value
Storage Temperature 2 to 8 &deg;C
Flash Point 110 C
Shelf Life 24 months
Acidity Neutral

Identification

Property Value
CAS Number 8025-81-8
Molecular Formula C43H74N2O14
Molecular Weight 843.05
REACH Code Y110
Tariff Code 2941900000

Safety & GHS

Danger
  • GHS pictogram — Flammable Flammable GHS02
  • GHS pictogram — Toxic Toxic GHS06

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
  • H411 Toxic to aquatic life with long lasting effects

Precautionary statements

  • P260 Do not breathe dust/fume/gas/mist/vapours/spray
  • P273 Avoid release to the environment
  • P280 Wear protective gloves/protective clothing/eye protection/face protection
  • P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
  • P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
  • 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

  • 1 g

    £26.36 · per pack

  • 5 g

    £68.02 · per pack

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 Spiramycin used for?

Spiramycin is an antibiotic used primarily in the treatment of bacterial infections, especially in veterinary medicine and some human applications like toxoplasmosis.

What is the chemical formula and molecular weight of Spiramycin?

The chemical formula is C43H74N2O14, and the molecular weight is 843.05 g/mol.

How should Spiramycin be stored?

Spiramycin should be stored at temperatures between 2 to 8 °C to maintain stability and potency.

What grade of Spiramycin does Molekula supply?

Molekula supplies Spiramycin in research-grade quality, suitable for laboratory use.

Can Molekula supply Spiramycin in bulk quantities?

Yes, Molekula can supply Spiramycin in bulk quantities—please contact our sales team for custom order details.

What documentation comes with a Spiramycin order?

Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.

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.

Talk to a chemist
Documents Pricing
Request a quote
Tell us what you need and our sales team will come back with pricing and lead times.
Full name
Email
Product
Quantity
Note