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Antibiotics and anti-infectives

Rezafungin

Also known as Rezafungin ion, Rezafungin cation, Biafungin

CAS 1396640-59-7Formula C63H85N8O17+Molar mass 1,226.41 g/mol
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Rezafungin chemical structure, C63H85N8O17+, CAS 1396640-59-7
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
1396640-59-7
Formula
C63H85N8O17+
Molar mass
1,226.41 g/mol
HS code
293379
Category
Antibiotics and anti-infectives

What is Rezafungin?

Plain description, key identifiers and synonyms

Rezafungin is a member of the family of echinocandins that inhibits 1,3-beta-D-glucan synthase. It is developed by Cidara Therapeutics and approved for the treatment of candidaemia and invasive candidiasis in patients aged 18 years who have limited or no alternative treatment options. It is a homodetic cyclic peptide, a quaternary ammonium ion, an aromatic ether, an azamacrocycle, an echinocandin and an antibiotic antifungal drug.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-[[(3S,6S,9S,11R,15S,18S,20R,21R,24S,25S,26S)-6-[(1S,2S)-1,2-dihydroxy-2-(4-hydroxyphenyl)ethyl]-11,20,25-trihydroxy-3,15-bis[(1R)-1-hydroxyethyl]-26-methyl-2,5,8,14,17,23-hexaoxo-18-[[4-[4-(4-pentoxyphenyl)phenyl]benzoyl]amino]-1,4,7,13,16,22-hexazatricyclo[22.3.0.09,13]heptacosan-21-yl]oxy]ethyl-trimethylazanium
CAS number
1396640-59-7
Molecular formula
C63H85N8O17+
UNII
G013B5478J
InChIKey
LNFCWEXGZIEGJW-TXSVMFMRSA-O
InChI
InChI=1S/C63H84N8O17/c1-8-9-10-28-87-45-25-21-40(22-26-45)38-13-11-37(12-14-38)39-15-17-42(18-16-39)56(80)64-46-31-48(76)61(88-29-27-71(5,6)7)68-60(84)52-53(77)34(2)32-70(52)63(86)50(36(4)73)66-59(83)51(55(79)54(78)41-19-23-43(74)24-20-41)67-58(82)47-30-44(75)33-69(47)62(85)49(35(3)72)65-57(46)81/h11-26,34-36,44,46-55,61,72-73,75-79H,8-10,27-33H2,1-7H3,(H5-,64,65,66,67,68,74,80,81,82,83,84)/p+1/t34-,35+,36+,44+,46-,47-,48+,49-,50-,51-,52-,53-,54-,55-,61+/m0/s1
Canonical SMILES
CCCCCOc1ccc(-c2ccc(-c3ccc(C(=O)NC4CC(O)C(OCC[N+](C)(C)C)NC(=O)C5C(O)C(C)CN5C(=O)C(C(C)O)NC(=O)C(C(O)C(O)c5ccc(O)cc5)NC(=O)C5CC(O)CN5C(=O)C(C(C)O)NC4=O)cc3)cc2)cc1
Isomeric SMILES
CCCCCOC1=CC=C(C=C1)C2=CC=C(C=C2)C3=CC=C(C=C3)C(=O)N[C@H]4C[C@H]([C@H](NC(=O)[C@@H]5[C@H]([C@H](CN5C(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H]6C[C@H](CN6C(=O)[C@@H](NC4=O)[C@@H](C)O)O)[C@@H]([C@H](C7=CC=C(C=C7)O)O)O)[C@@H](C)O)C)O)OCC[N+](C)(C)C)O

Synonyms

  • Rezafungin ion
  • Rezafungin cation
  • Biafungin
  • Rezzayo
  • Rezafungin?
  • SP 3025

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
1,226.41 g/molcalc.
Exact mass
1,225.6027 Dacalc.
LogP (octanol/water)
-0.2calc.
Topological polar surface area
366.4 Ųcalc.
Hydrogen bond donors
13calc.
Hydrogen bond acceptors
17calc.
Rotatable bonds
18calc.
Heavy atoms
88calc.
Rings
7calc.
Aromatic rings
4calc.
Fraction sp3 carbons
0.51calc.
Formal charge
1calc.
Stereocentres
15calc.
Lipinski rule of five
Fails (3 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, O=C(NC1CCCNC(=O)C2CCCN2C(=O)CNC(=O)C(CCc2ccccc2)NC(=O)C2CCCN2C(=O)CNC1=O)c1ccc(-c2ccc(-c3ccccc3)cc2)cc1

O=C(NC1CCCNC(=O)C2CCCN2C(=O)CNC(=O)C(CCc2ccccc2)NC(=O)C2CCCN2C(=O)CNC1=O)c1ccc(-c2ccc(-c3ccccc3)cc2)cc1

7 rings, 62 atoms.

4 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Rezafungin suppliers

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All 2 suppliers

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Where suppliers are based

2 suppliers in 1 country

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Rezafungin price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Industries and functions

Pharmacological actions

  • Antifungal Agents

Pharmacology

Rezafungin is an Echinocandin Antifungal.

Regulatory status

Inventories, regulations and trade controls that list this substance

Health and food

  • Active ingredient in FDA approved drug labels

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Rezafungin is traded under.

HS 2933.79Indicative HS code

Lactams, other lactams

World exports in 2024
$16.2B
−64.4% vs 2023, imports $15.4B
2019 to 2024
Top exporters
  1. Ireland37.0%
  2. France * partner reported15.6%
  3. Spain11.3%
Top importers
  1. Germany27.8%
  2. Ireland18.9%
  3. Panama * partner reported12.9%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Rezafungin is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Rezafungin, based on the data on this page

What is Rezafungin?

Rezafungin is a member of the family of echinocandins that inhibits 1,3-beta-D-glucan synthase. It is developed by Cidara Therapeutics and approved for the treatment of candidaemia and invasive candidiasis in patients aged 18 years who have limited or no alternative treatment options.

What is the CAS number of Rezafungin?

The CAS registry number of Rezafungin is 1396640-59-7.

What is the molecular formula and weight of Rezafungin?

The molecular formula of Rezafungin is C63H85N8O17+ and its molar mass is 1,226.41 g/mol.

What is Rezafungin used for?

Known uses and roles of Rezafungin include antifungals in pharmaceuticals and antifungal agents.

Is Rezafungin hazardous?

No GHS hazard classification for Rezafungin is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Rezafungin?

Rezafungin is usually classified under HS code 293379 (Lactams, other lactams). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Rezafungin?

CompoundList lists 2 suppliers of Rezafungin in China. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Rezafungin?

Suppliers quote Rezafungin on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Rezafungin

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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