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Antibiotic & Antibacterial APIs

Fusidic Acid

IP/BP/USPAvailable on request

Fusidic Acid (CAS 6990-06-3) supplier Zemixal. Request a quote with price, lead time and documents. Catalogue no. ZX-003926.

Pack sizes
Fusidic Acid chemical structure
CAS number6990-06-3
FormulaC31H48O6
Molar mass516.7 g/mol
Physical formPowder
HS code2941
Purity≥99%
InChIKeyIECPWNUMDGFDKC-MZJAQBGESA-N
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

About Fusidic Acid

Fusidic Acid is part of the Zemixal antibiotic & Antibacterial APIs range. Key data (IP/BP/USP): CAS 6990-06-3, formula C31H48O6 and molar mass 516.7 g/mol. Typical appearance is white or almost white crystalline powder.

Common uses in the lab and plant

  • Pharmaceutical formulation
  • Generic drug development

Handling and storage

Hazard communication follows GHS (Warning: H302, H315, H319 and H335). Our SDS lists exposure controls and first-aid measures.

Standard pack sizes are 1 kg, 5 kg and 25 kg, and custom quantities are quoted on request. You receive a batch certificate of analysis and a 16-section SDS with each order. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Specifications and identifiers

Specifications of Fusidic Acid
Product nameFusidic Acid
Catalogue numberZX-003926
CAS number6990-06-3
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 formulaC31H48O6
Molar mass516.7 g/mol
Exact mass516.3451
GradeIP/BP/USP
Purity / assay≥99%
Physical formPowder
AppearanceWhite or almost white crystalline powder
XLogP35.5
H-bond donors / acceptors3 / 6
Topological polar surface area104 Ų
HS code2941
InChIKeyIECPWNUMDGFDKC-MZJAQBGESA-N
SMILESC[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 CID3000226
SynonymsRamycin, Fucidic acid, Fucidin acid, Fucithalmic, Acide fusidique, Acido fusidico, Acidum fusidicum, Anhydrous Fusidic Acid, Fucidin caviject, Acid, Fusidic, Fusidate, Silver, Fusidine

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
GHS09 Hazardous to the environment
Hazardous to the environment

Signal word Warning

  • 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 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 Fusidic Acid
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 Fusidic Acid

Which CAS number identifies Fusidic Acid?
Fusidic Acid is registered under CAS 6990-06-3. You may also see it listed as Ramycin, Fucidic acid, Fucidin acid. Our catalogue number for this item is ZX-003926.
What are the formula and molar mass of Fusidic Acid?
For Fusidic Acid, its formula is C31H48O6 and its molar mass is 516.7 g/mol. InChIKey IECPWNUMDGFDKC-MZJAQBGESA-N lets you match it in any structure database.
What grade and pack sizes are available for Fusidic Acid?
This listing is IP/BP/USP grade with ≥99% purity. Standard packs are 1 kg, 5 kg, 25 kg. Larger quantities and custom packing can be quoted on request.
Which documents come with Fusidic Acid?
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 Fusidic Acid to my country?
Yes. Because Fusidic Acid 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.

Other grades with CAS 6990-06-3

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