Clarithromycin

Name: Clarithromycin
Brand: Vaqora Chemicals
SKU: VQ-003919

About Clarithromycin

Clarithromycin is an antibacterial API in IP/BP/USP grade carrying the CAS registry number 81103-11-9. With the molecular formula C38H69NO13, it has a molar mass of 748.0 g/mol. Common synonyms include 6-O-Methylerythromycin and Biaxin.

It is supplied as white. Store in a tightly closed container in a cool, dry and well-ventilated place. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

This API belongs to our antibiotic and antibacterial APIs portfolio and is supplied to IP/BP/USP specifications for formulators, contract manufacturers and generic drug developers. It is used across pharmaceutical manufacturing.

Vaqora Chemicals supplies Clarithromycin in 1 kg, 5 kg and 25 kg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide. A Safety Data Sheet (SDS) and technical specifications are available on request.

Typical applications

Pharmaceutical formulation
Generic drug development

Industries

Related to Clarithromycin

View every impurity, metabolite and intermediate we list for Clarithromycin.

Clarithromycin impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Clarithromycin
Catalogue No.	VQ-003919
CAS Number	81103-11-9
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 formula	C₃₈H₆₉NO₁₃
Molecular weight	748 g/mol
Exact mass	747.4769
Grade	IP/BP/USP
HSN code	2941
InChIKey	AGOYDEPGAOXOCK-KCBOHYOISA-N
SMILES	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)OC)C)C)O)(C)O
PubChem CID	84029

Physical properties
Physical form	Powder
Appearance	White
LogP (XLogP3)	3.2
H-bond donors / acceptors	4 / 14
TPSA	183 Å²
Synonyms	6-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

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed

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

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Clarithromycin?

The CAS Registry Number of Clarithromycin is 81103-11-9. It is also known as 6-O-Methylerythromycin, Biaxin, Clarithromycine.

What is the molecular formula and molecular weight of Clarithromycin?

Clarithromycin has the molecular formula C38H69NO13 and a molecular weight of 748 g/mol.

What is Clarithromycin used for?

Clarithromycin is supplied as a characterised reference material related to Clarithromycin. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Clarithromycin can I order?

We supply Clarithromycin in IP/BP/USP grade, in 1 kg, 5 kg, 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Clarithromycin?

Yes. Every lot of Clarithromycin is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Clarithromycin be shipped internationally?

Yes. Clarithromycin is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.