Fidaxomicin

Name: Fidaxomicin
Brand: Vaqora Chemicals
SKU: VQ-030726

About Fidaxomicin

Fidaxomicin (CAS 873857-62-6) is a high-purity reference standard of Fidaxomicin offered by Vaqora Chemicals. Formula C52H74Cl2O18, molecular weight 1058.0 g/mol. Common synonyms include Tiacumicin B and Lipiarmicin.

It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. It carries the GHS signal word “Warning” with 1 hazard statement. Review the Safety Data Sheet before use.

Laboratories use this Fidaxomicin standard for identity and assay testing, system suitability checks and method validation supporting ANDA and DMF filings. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

We offer Fidaxomicin in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Identification & assay
Method development & validation
QC reference material

Industries

Related to Fidaxomicin

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

Fidaxomicin impurities

Specifications & identifiers

Chemical identifiers
Product name	Fidaxomicin
Catalogue No.	VQ-030726
CAS Number	873857-62-6
IUPAC name	[(2R,3S,4S,5S,6R)-6-[[(3E,5E,8S,9E,11S,12R,13E,15E,18S)-12-[(2R,3S,4R,5S)-3,4-dihydroxy-6,6-dimethyl-5-(2-methylpropanoyloxy)oxan-2-yl]oxy-11-ethyl-8-hydroxy-18-[(1R)-1-hydroxyethyl]-9,13,15-trimethyl-2-oxo-1-oxacyclooctadeca-3,5,9,13,15-pentaen-3-yl]methoxy]-4-hydroxy-5-methoxy-2-methyloxan-3-yl] 3,5-dichloro-2-ethyl-4,6-dihydroxybenzoate
Molecular formula	C₅₂H₇₄Cl₂O₁₈
Molecular weight	1058 g/mol
Exact mass	1056.4252
Grade	Reference Standard
HSN code	38229090
InChIKey	ZVGNESXIJDCBKN-UUEYKCAUSA-N
SMILES	CC[C@H]1/C=C(/[C@H](C/C=C/C=C(/C(=O)O[C@@H](C/C=C(/C=C(/[C@@H]1O[C@H]2[C@H]([C@H]([C@@H](C(O2)(C)C)OC(=O)C(C)C)O)O)\C)\C)[C@@H](C)O)\CO[C@H]3[C@H]([C@H]([C@@H]([C@H](O3)C)OC(=O)C4=C(C(=C(C(=C4O)Cl)O)Cl)CC)O)OC)O)\C
PubChem CID	10034073

Physical properties
Physical form	Solid
LogP (XLogP3)	6.4
H-bond donors / acceptors	7 / 18
TPSA	267 Å²
Synonyms	Tiacumicin B, Lipiarmicin, OPT-80, fidaxomicine, Difimicin, PAR-101, Lipiarmycin A3, OPT 80, PAR 101, OPT80 cpd, Clostomycin B1, Clostomicin B1

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 Fidaxomicin?

The CAS Registry Number of Fidaxomicin is 873857-62-6. It is also known as Tiacumicin B, Lipiarmicin, OPT-80.

What is the molecular formula and molecular weight of Fidaxomicin?

Fidaxomicin has the molecular formula C52H74Cl2O18 and a molecular weight of 1058 g/mol.

What is Fidaxomicin used for?

Fidaxomicin is supplied as a characterised reference material related to Fidaxomicin. 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 Fidaxomicin can I order?

We supply Fidaxomicin in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Fidaxomicin?

Yes. Every lot of Fidaxomicin 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 Fidaxomicin be shipped internationally?

Yes. Fidaxomicin 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.