Molekula
Telithromycin
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Telithromycin is a semi-synthetic ketolide antibiotic used to treat bacterial infections, particularly respiratory tract infections caused by susceptible organisms. It functions by inhibiting bacterial protein synthesis. Available with CAS number 191114-48-4, molecular formula C43H65N5O10, and molecular weight 812.00. Stored at 2 to 8 °C. Signal word: Warning. Molekula supplies Telithromycin from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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25 mg — £143.90 per pack ex VAT · £172.68 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | Off white to white crystalline powder |
| Water | 1.0% max |
| Heavy metals | 20ppm max |
| Assay | 97% min |
| Residue on Ignition | 0.2% max |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Transport Class | 9 |
| Packing Group | III |
| Acidity | Acid |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | White to off-white crystalline powder |
| Melting Point | 187-188 °C |
Source: PubChem CID 3002190 (HSDB)
Identification
| Property | Value |
|---|---|
| SKU | 83145464 |
| CAS Number | 191114-48-4 |
| IUPAC Name | (1S,2R,5R,7R,8R,9R,11R,13R,14R)-8-[(2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyloxan-2-yl]oxy-2-ethyl-9-methoxy-1,5,7,9,11,13-hexamethyl-15-[4-(4-pyridin-3-ylimidazol-1-yl)butyl]-3,17-dioxa-15-azabicyclo[12.3.0]heptadecane-4,6,12,16-tetrone |
| Molecular Formula | C43H65N5O10 |
| Molecular Weight | 812.00 |
| Exact Mass | 811.4731 |
| SMILES | CC[C@@H]1[C@@]2([C@@H]([C@H](C(=O)[C@@H](C[C@@]([C@@H]([C@H](C(=O)[C@H](C(=O)O1)C)C)O[C@H]3[C@@H]([C@H](C[C@H](O3)C)N(C)C)O)(C)OC)C)C)N(C(=O)O2)CCCCN4C=C(N=C4)C5=CN=CC=C5)C |
| InChIKey | LJVAJPDWBABPEJ-PNUFFHFMSA-N |
| InChI | InChI=1S/C43H65N5O10/c1-12-33-43(8)37(48(41(53)58-43)19-14-13-18-47-23-31(45-24-47)30-16-15-17-44-22-30)27(4)34(49)25(2)21-42(7,54-11)38(28(5)35(50)29(6)39(52)56-33)57-40-36(51)32(46(9)10)20-26(3)55-40/h15-17,22-29,32-33,36-38,40,51H,12-14,18-21H2,1-11H3/t25-,26-,27+,28+,29-,32+,33-,36-,37-,38-,40+,42-,43-/m1/s1 |
| PubChem CID | 3002190 |
| UN Number | UN3077 |
| REACH Code | Y110 |
| HTS Code | 29419000 |
| Tariff Code | 2941900000 |
Safety & GHS
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Health Hazard
GHS07
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Hazardous to the Environment
GHS09
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
- H362 May cause harm to breast-fed children
- H410 Very toxic to aquatic life with long lasting effects
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P501 Dispose of contents/container to an approved waste disposal plant
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Spanish.
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.
Synonyms
- HMR 3647
- Ketek
- Levviax
- RU 66647
- Telithromycin (Ketek)?
- Telithromycin (Standard)
- telithromycine
- telithromycinum
- telitromicina
Frequently asked questions
What is Telithromycin used for?
Telithromycin is a ketolide antibiotic used to treat respiratory tract infections caused by susceptible bacteria, including Streptococcus pneumoniae and Haemophilus influenzae.
What is the chemical formula and molecular weight of Telithromycin?
The chemical formula is C43H65N5O10 and the molecular weight is 812.00 g/mol.
How should Telithromycin be stored?
Telithromycin should be stored at 2 to 8 °C and protected from light.
What grade of Telithromycin does Molekula supply?
Molekula supplies Telithromycin in research-grade purity suitable for laboratory use.
Can Molekula supply Telithromycin in bulk quantities?
Yes, Molekula can supply Telithromycin in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with a Telithromycin order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS); additional documentation can be provided 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.