Fusidic Acid

Name: Fusidic Acid
Brand: Vaqora Chemicals
SKU: VQ-003926

About Fusidic Acid

Fusidic Acid (CAS 6990-06-3) is an antibacterial API offered by Vaqora Chemicals (IP/BP/USP grade) with a typical assay of ≥99%. Its molecular formula is C31H48O6 and its molecular weight is 516.7 g/mol. It is also known as Ramycin or Fucidic acid.

The material typically appears as a white or almost white crystalline powder. Keep the container tightly sealed and store it in a cool, dry area. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

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. Buyers come mainly from pharmaceutical manufacturing.

We offer Fusidic Acid in 1 kg, 5 kg and 25 kg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Pharmaceutical formulation
Generic drug development

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Fusidic Acid
Catalogue No.	VQ-003926
CAS Number	6990-06-3
IUPAC name	(2Z)-2-[(3R,4S,5S,8S,9S,10S,11R,13R,14S,16S)-16-acetyloxy-3,11-dihydroxy-4,8,10,14-tetramethyl-2,3,4,5,6,7,9,11,12,13,15,16-dodecahydro-1H-cyclopenta[a]phenanthren-17-ylidene]-6-methylhept-5-enoic acid
Molecular formula	C₃₁H₄₈O₆
Molecular weight	516.7 g/mol
Exact mass	516.3451
Grade	IP/BP/USP
Purity / assay	≥99%
HSN code	2941
InChIKey	IECPWNUMDGFDKC-MZJAQBGESA-N
SMILES	C[C@H]1[C@@H]2CC[C@]3([C@H]([C@]2(CC[C@H]1O)C)[C@@H](C[C@@H]\4[C@@]3(C[C@@H](/C4=C(/CCC=C(C)C)\C(=O)O)OC(=O)C)C)O)C
PubChem CID	3000226

Physical properties
Physical form	Powder
Appearance	White or almost white crystalline powder
LogP (XLogP3)	5.5
H-bond donors / acceptors	3 / 6
TPSA	104 Å²
Synonyms	Ramycin, Fucidic acid, Fucidin acid, Fucithalmic, Acide fusidique, Acido fusidico, Acidum fusidicum, Anhydrous Fusidic Acid, Fucidin caviject, Acid, Fusidic, Fusidate, Silver, Fusidine

Safety & hazard information (GHS)

Harmful / irritant

Environmental hazard

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
H411Toxic to aquatic life with long lasting effects

Precautionary statements: P261, P264, P264 + P265, P270, P271, P273, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P391, P403 + P233, P405, 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

Other grades of CAS 6990-06-3

Puriss

Fusidic acid, 98%

CAS: 6990-06-3
Formula: C₃₁H₄₈O₆
MW: 516.7 g/mol

VQ-002848

Frequently asked questions

What is the CAS number of Fusidic Acid?

The CAS Registry Number of Fusidic Acid is 6990-06-3. It is also known as Ramycin, Fucidic acid, Fucidin acid.

What is the molecular formula and molecular weight of Fusidic Acid?

Fusidic Acid has the molecular formula C31H48O6 and a molecular weight of 516.7 g/mol.

Which grade and pack sizes of Fusidic Acid can I order?

We supply Fusidic Acid in IP/BP/USP (≥99%) 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 Fusidic Acid?

Yes. Every lot of Fusidic Acid 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 Fusidic Acid be shipped internationally?

Yes. Fusidic Acid 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.