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Heterocyclic building blocks

Rustmicin

Also known as Galbonolide A, (3R,7Z,9S,12E,14S)-14-ethyl-5-hydroxy-5-(hydroxymethyl)-7-methoxy-3,9,13-trimethyl-11-methylidene-1-oxacyclotetradeca-7,12-diene-2,4-dione, Erythronolide A, 6,7,10,11,12,20-hexadehydro-6-demethyl-9-deoxo-3,5,11,12-tetradeoxy-4,17-dihydroxy-6-O-methyl-3-oxo-

CAS 100227-57-4Formula C21H32O6Molar mass 380.48 g/mol
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Rustmicin chemical structure, C21H32O6, CAS 100227-57-4
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
100227-57-4
Formula
C21H32O6
Molar mass
380.48 g/mol
HS code
293220
Category
Heterocyclic building blocks

What is Rustmicin?

Plain description, key identifiers and synonyms

Galbonolide A is a macrolide.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(3R,7Z,9S,12E,14S)-14-ethyl-5-hydroxy-5-(hydroxymethyl)-7-methoxy-3,9,13-trimethyl-11-methylidene-1-oxacyclotetradeca-7,12-diene-2,4-dione
CAS number
100227-57-4
Molecular formula
C21H32O6
InChIKey
WOFFENQLRMDHKE-CJAJMRFHSA-N
InChI
InChI=1S/C21H32O6/c1-7-18-15(4)9-13(2)8-14(3)10-17(26-6)11-21(25,12-22)19(23)16(5)20(24)27-18/h9-10,14,16,18,22,25H,2,7-8,11-12H2,1,3-6H3/b15-9+,17-10-/t14-,16+,18-,21?/m0/s1
Canonical SMILES
C=C1C=C(C)C(CC)OC(=O)C(C)C(=O)C(O)(CO)CC(OC)=CC(C)C1
Isomeric SMILES
CC[C@H]1/C(=C/C(=C)C[C@@H](/C=C(/CC(C(=O)[C@H](C(=O)O1)C)(CO)O)\OC)C)/C

Synonyms

  • Galbonolide A
  • (3R,7Z,9S,12E,14S)-14-ethyl-5-hydroxy-5-(hydroxymethyl)-7-methoxy-3,9,13-trimethyl-11-methylidene-1-oxacyclotetradeca-7,12-diene-2,4-dione
  • Erythronolide A, 6,7,10,11,12,20-hexadehydro-6-demethyl-9-deoxo-3,5,11,12-tetradeoxy-4,17-dihydroxy-6-O-methyl-3-oxo-
  • Galbonolide
  • (3R,7Z,9S,12E,14S)-14-ethyl-5-hydroxy-5-(hydroxymethyl)-7-methoxy-3,9,13-trimethyl-11-methylene-1-oxacyclotetradeca-7,12-diene-2,4-dione

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
380.48 g/molcalc.
Exact mass
380.2199 Dacalc.
LogP (octanol/water)
2.7calc.
Topological polar surface area
93.06 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
6calc.
Rotatable bonds
3calc.
Heavy atoms
27calc.
Rings
1calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.62calc.
Formal charge
0calc.
Stereocentres
4calc.
Lipinski rule of five
Passes (0 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, C=C1C=CCOC(=O)CC(=O)CCC=CCC1

C=C1C=CCOC(=O)CC(=O)CCC=CCC1

1 ring, 17 atoms.

2 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.

Rustmicin suppliers

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Rustmicin 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

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

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

HS 2932.20Indicative HS code

Lactones

World exports in 2024
$1.97B
−4.7% vs 2023, imports $2.07B
2019 to 2024
Top exporters
  1. China56.3%
  2. India * partner reported7.4%
  3. Germany7.3%
Top importers
  1. United States14.2%
  2. India * partner reported13.5%
  3. Brazil8.5%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Rustmicin?

Galbonolide A is a macrolide.

What is the CAS number of Rustmicin?

The CAS registry number of Rustmicin is 100227-57-4.

What is the molecular formula and weight of Rustmicin?

The molecular formula of Rustmicin is C21H32O6 and its molar mass is 380.48 g/mol.

What is Rustmicin used for?

Known uses and roles of Rustmicin include building blocks in research and laboratory.

Is Rustmicin hazardous?

No GHS hazard classification for Rustmicin 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 Rustmicin?

Rustmicin is usually classified under HS code 293220 (Lactones). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Rustmicin?

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What is the price of Rustmicin?

Suppliers quote Rustmicin 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 Rustmicin

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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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