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Antibiotic & Antibacterial APIs

Clarithromycin

IP/BP/USPAvailable on request

Buy Clarithromycin (CAS 81103-11-9) from Zemixal. Request a quote with price, lead time and documents. Catalogue no. ZX-003919.

Pack sizes
Clarithromycin chemical structure
CAS number81103-11-9
FormulaC38H69NO13
Molar mass748 g/mol
Physical formPowder
HS code2941
InChIKeyAGOYDEPGAOXOCK-KCBOHYOISA-N

About Clarithromycin

Researchers and plant chemists source Clarithromycin from Zemixal for routine and specialised work. Identity at a glance (IP/BP/USP): CAS 81103-11-9, formula C38H69NO13 and molar mass 748 g/mol. Typical appearance is white.

Common uses in the lab and plant

  • Pharmaceutical formulation
  • Generic drug development

Storage and safety notes

It carries the GHS signal word Warning (H302), so wear gloves and eye protection and work with good ventilation.

Available as 1 kg, 5 kg and 25 kg. Larger or split packs can be arranged. You receive a batch certificate of analysis and a 16-section SDS with each order. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Clarithromycin

See every impurity, metabolite and related compound we list for this API.

Clarithromycin standards

Typical uses

  • Pharmaceutical formulation
  • Generic drug development

Applications

Grade guides

Specifications and identifiers

Specifications of Clarithromycin
Product nameClarithromycin
Catalogue numberZX-003919
CAS number81103-11-9
IUPAC name(3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-6-[(2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyloxan-2-yl]oxy-14-ethyl-12,13-dihydroxy-4-[(2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyloxan-2-yl]oxy-7-methoxy-3,5,7,9,11,13-hexamethyl-oxacyclotetradecane-2,10-dione
Molecular formulaC38H69NO13
Molar mass748 g/mol
Exact mass747.4769
GradeIP/BP/USP
Physical formPowder
AppearanceWhite
XLogP33.2
H-bond donors / acceptors4 / 14
Topological polar surface area183 Ų
HS code2941
InChIKeyAGOYDEPGAOXOCK-KCBOHYOISA-N
SMILESCC[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)OC)C)C)O)(C)O
PubChem CID84029
Synonyms6-O-Methylerythromycin, Biaxin, Clarithromycine, Erythromycin, 6-O-methyl-, 6-O-Methylerythromycin a, Macladin, Abbott-56268, TE-031, Biaxin XL, Clarithromycin identity, Klaricid XL, Clarithromycin extended release

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful

Signal word Warning

  • H302Harmful if swallowed

Precautionary statements P264, P270, P301 + P317, P330, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Clarithromycin
1 kgQuoted on request
5 kgQuoted on request
25 kgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Clarithromycin

Which CAS number identifies Clarithromycin?
Clarithromycin is registered under CAS 81103-11-9. You may also see it listed as 6-O-Methylerythromycin, Biaxin, Clarithromycine. Our catalogue number for this item is ZX-003919.
What are the formula and molar mass of Clarithromycin?
For Clarithromycin, its formula is C38H69NO13 and its molar mass is 748 g/mol. InChIKey AGOYDEPGAOXOCK-KCBOHYOISA-N lets you match it in any structure database.
How is Clarithromycin used in pharmaceutical QC?
Clarithromycin is a characterised reference material linked to Clarithromycin. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for Clarithromycin?
This listing is IP/BP/USP grade. Standard packs are 1 kg, 5 kg, 25 kg. Larger quantities and custom packing can be quoted on request.
Which documents come with Clarithromycin?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Clarithromycin to my country?
Yes. Because Clarithromycin is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

More Clarithromycin standards

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