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Heterocyclic building blocks

Etamycin

Also known as Viridogrisein I, Etamycin A, fijimycin

CAS 299-20-7Formula C44H62N8O11Molar mass 879.03 g/mol
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Etamycin chemical structure, C44H62N8O11, CAS 299-20-7
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
299-20-7
Formula
C44H62N8O11
Molar mass
879.03 g/mol
HS code
293499
Category
Heterocyclic building blocks

What is Etamycin?

Plain description, key identifiers and synonyms

Etamycin has been reported in Streptomyces griseoviridis.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
3-hydroxy-N-[(3R,6S,7R,10S,13S,16S,22R,24R)-24-hydroxy-7,11,13,17,20-pentamethyl-16-[(2S)-3-methylbutan-2-yl]-3-(2-methylpropyl)-2,5,9,12,15,18,21-heptaoxo-10-phenyl-8-oxa-1,4,11,14,17,20-hexazabicyclo[20.3.0]pentacosan-6-yl]pyridine-2-carboxamide
CAS number
299-20-7 CAS number cross-checked
Molecular formula
C44H62N8O11
UNII
PAF72P8T3G
InChIKey
SATIISJKSAELDC-ZIOPZPSVSA-N
InChI
InChI=1S/C44H62N8O11/c1-23(2)19-30-42(60)52-21-29(53)20-31(52)43(61)49(8)22-33(55)50(9)36(25(5)24(3)4)40(58)46-26(6)41(59)51(10)37(28-15-12-11-13-16-28)44(62)63-27(7)34(38(56)47-30)48-39(57)35-32(54)17-14-18-45-35/h11-18,23-27,29-31,34,36-37,53-54H,19-22H2,1-10H3,(H,46,58)(H,47,56)(H,48,57)/t25-,26-,27+,29+,30+,31+,34-,36-,37-/m0/s1
Canonical SMILES
CC(C)CC1NC(=O)C(NC(=O)c2ncccc2O)C(C)OC(=O)C(c2ccccc2)N(C)C(=O)C(C)NC(=O)C(C(C)C(C)C)N(C)C(=O)CN(C)C(=O)C2CC(O)CN2C1=O
Isomeric SMILES
C[C@@H]1[C@@H](C(=O)N[C@@H](C(=O)N2C[C@@H](C[C@@H]2C(=O)N(CC(=O)N([C@H](C(=O)N[C@H](C(=O)N([C@H](C(=O)O1)C3=CC=CC=C3)C)C)[C@@H](C)C(C)C)C)C)O)CC(C)C)NC(=O)C4=C(C=CC=N4)O

Synonyms

  • Viridogrisein I
  • Etamycin A
  • fijimycin
  • Viridogrisein
  • Neoviridogrisein IV
  • Antibiotic K-179
  • Antibiotic F-1370A
  • 4-27-00-09723 (Beilstein Handbook Reference)

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
879.03 g/molcalc.
Exact mass
878.4538 Dacalc.
LogP (octanol/water)
0.61calc.
Topological polar surface area
248.2 Ųcalc.
Hydrogen bond donors
5calc.
Hydrogen bond acceptors
12calc.
Rotatable bonds
7calc.
Heavy atoms
63calc.
Rings
4calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.57calc.
Formal charge
0calc.
Stereocentres
9calc.
Lipinski rule of five
Fails (2 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=C1CNC(=O)CNC(=O)C2CCCN2C(=O)CNC(=O)C(NC(=O)c2ccccn2)COC(=O)C(c2ccccc2)NC(=O)CN1

O=C1CNC(=O)CNC(=O)C2CCCN2C(=O)CNC(=O)C(NC(=O)c2ccccn2)COC(=O)C(c2ccccc2)NC(=O)CN1

4 rings, 47 atoms.

6 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.

Etamycin suppliers

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Etamycin 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

Pharmacological actions

  • Anti-Bacterial Agents

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 Etamycin is traded under.

HS 2934.99Indicative HS code

Nucleic acids and their salts, other heterocyclic compounds, not elsewhere classified in heading 2934

World exports in 2024
$26.7B
+15.0% vs 2023, imports $26.3B
2019 to 2024
Top exporters
  1. Ireland26.3%
  2. China15.7%
  3. Singapore10.3%
Top importers
  1. United States24.5%
  2. Germany23.1%
  3. Japan4.5%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

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

What is Etamycin?

Etamycin has been reported in Streptomyces griseoviridis.

What is the CAS number of Etamycin?

The CAS registry number of Etamycin is 299-20-7.

What is the molecular formula and weight of Etamycin?

The molecular formula of Etamycin is C44H62N8O11 and its molar mass is 879.03 g/mol.

What is Etamycin used for?

Known uses and roles of Etamycin include building blocks in research and laboratory and anti-bacterial agents.

Is Etamycin hazardous?

No GHS hazard classification for Etamycin 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 Etamycin?

Etamycin is usually classified under HS code 293499 (Nucleic acids and their salts, whether or not chemically defined, other heterocyclic…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Etamycin?

Post a free request on CompoundList and suppliers of Etamycin will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Etamycin?

Suppliers quote Etamycin 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 Etamycin

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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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