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Heterocyclic building blocks

alpha-Natamycin

CAS 164204-80-2Formula C34H55NO16Molar mass 733.81 g/mol
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alpha-Natamycin chemical structure, C34H55NO16, CAS 164204-80-2
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
164204-80-2
Formula
C34H55NO16
Molar mass
733.81 g/mol
HS code
293220
Category
Heterocyclic building blocks

What is alpha-Natamycin?

Plain description, key identifiers and synonyms

alpha-Natamycin is a chemical substance with the molecular formula C34H55NO16 and a molar mass of 733.81 g/mol. Its CAS registry number is 164204-80-2. The IUPAC name is (1R,3S,5S,7R,8E,12R,14E,16E,18E,20E,22R,24S,25R,26S)-22-[(2R,3S,4S,5S,6R)-4-amino-3,5-dihydroxy-2,6-dimethyloxan-2-yl]oxy-1,3,26-trihydroxy-12-methyl-10-oxo-6,11,28-trioxatricyclo[22.3.1.05,7]octacosa-8,14,16,18,20-pentaene-25-carboxylic acid, trihydrate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(1R,3S,5S,7R,8E,12R,14E,16E,18E,20E,22R,24S,25R,26S)-22-[(2R,3S,4S,5S,6R)-4-amino-3,5-dihydroxy-2,6-dimethyloxan-2-yl]oxy-1,3,26-trihydroxy-12-methyl-10-oxo-6,11,28-trioxatricyclo[22.3.1.05,7]octacosa-8,14,16,18,20-pentaene-25-carboxylic acid, trihydrate
CAS number
164204-80-2 CAS number cross-checked
Molecular formula
C34H55NO16
InChIKey
ZUDOOVODDMFKLJ-REZDYZALSA-N
InChI
InChI=1S/C34H49NO13.3H2O/c1-19-11-9-7-5-4-6-8-10-12-22(47-33(3)31(40)29(35)30(39)20(2)46-33)16-26-28(32(41)42)23(37)18-34(43,48-26)17-21(36)15-25-24(45-25)13-14-27(38)44-19;;;/h4-10,12-14,19-26,28-31,36-37,39-40,43H,11,15-18,35H2,1-3H3,(H,41,42);3*1H2/b5-4+,8-6+,9-7+,12-10+,14-13+;;;/t19-,20-,21+,22+,23+,24-,25+,26+,28-,29+,30-,31+,33+,34-;;;/m1.../s1
Canonical SMILES
CC1CC=CC=CC=CC=CC(OC2(C)OC(C)C(O)C(N)C2O)CC2OC(O)(CC(O)CC3OC3C=CC(=O)O1)CC(O)C2C(=O)O.O.O.O
Isomeric SMILES
C[C@@H]1C/C=C/C=C/C=C/C=C/[C@@H](C[C@H]2[C@@H]([C@H](C[C@](O2)(C[C@H](C[C@H]3[C@H](O3)/C=C/C(=O)O1)O)O)O)C(=O)O)O[C@]4([C@H]([C@H]([C@@H]([C@H](O4)C)O)N)O)C.O.O.O

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
733.81 g/molcalc.
Exact mass
733.3521 Dacalc.
LogP (octanol/water)
-1.96calc.
Topological polar surface area
325.5 Ųcalc.
Hydrogen bond donors
7calc.
Hydrogen bond acceptors
13calc.
Rotatable bonds
3calc.
Heavy atoms
51calc.
Rings
4calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.65calc.
Formal charge
0calc.
Stereocentres
14calc.
Components
4calc.
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=C1C=CC2OC2CCCC2CCCC(CC(OC3CCCCO3)C=CC=CC=CC=CCCO1)O2

O=C1C=CC2OC2CCCC2CCCC(CC(OC3CCCCO3)C=CC=CC=CC=CCCO1)O2

4 rings, 36 atoms.

7 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.

alpha-Natamycin suppliers

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alpha-Natamycin 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 alpha-Natamycin 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 alpha-Natamycin is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about alpha-Natamycin, based on the data on this page

What is alpha-Natamycin?

alpha-Natamycin is a chemical substance with the molecular formula C34H55NO16 and a molar mass of 733.81 g/mol. Its CAS registry number is 164204-80-2.

What is the CAS number of alpha-Natamycin?

The CAS registry number of alpha-Natamycin is 164204-80-2.

What is the molecular formula and weight of alpha-Natamycin?

The molecular formula of alpha-Natamycin is C34H55NO16 and its molar mass is 733.81 g/mol.

What is alpha-Natamycin used for?

Known uses and roles of alpha-Natamycin include building blocks in research and laboratory.

Is alpha-Natamycin hazardous?

No GHS hazard classification for alpha-Natamycin 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 alpha-Natamycin?

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

Where can I buy alpha-Natamycin?

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

What is the price of alpha-Natamycin?

Suppliers quote alpha-Natamycin 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 alpha-Natamycin

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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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