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Heterocyclic building blocks

Spiramycin III

Also known as Foromacidin C, Spiramycin III (contains up to 13% Spiramycin I), Spiramycin - mixture of spiramycins

CAS 24916-52-7Formula C46H78N2O15Molar mass 899.13 g/mol
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Spiramycin III chemical structure, C46H78N2O15, CAS 24916-52-7
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
24916-52-7
Formula
C46H78N2O15
Molar mass
899.13 g/mol
HS code
293220
Category
Heterocyclic building blocks

What is Spiramycin III?

Plain description, key identifiers and synonyms

Spiramycin III is an amino oligosaccharide.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
[(4R,5S,6S,7R,9R,10R,11E,13E,16R)-6-[(2S,3R,4R,5S,6R)-5-[(2S,4R,5S,6S)-4,5-dihydroxy-4,6-dimethyloxan-2-yl]oxy-4-(dimethylamino)-3-hydroxy-6-methyloxan-2-yl]oxy-10-[(2R,5S,6R)-5-(dimethylamino)-6-methyloxan-2-yl]oxy-5-methoxy-9,16-dimethyl-2-oxo-7-(2-oxoethyl)-1-oxacyclohexadeca-11,13-dien-4-yl] propanoate
CAS number
24916-52-7 CAS number cross-checked
Molecular formula
C46H78N2O15
UNII
0NHE9TRJ93
InChIKey
HSZLKTCKAYXVBX-LYIMTGTFSA-N
InChI
InChI=1S/C46H78N2O15/c1-13-35(50)60-34-24-36(51)56-27(3)17-15-14-16-18-33(61-37-20-19-32(47(8)9)28(4)57-37)26(2)23-31(21-22-49)42(43(34)55-12)63-45-40(52)39(48(10)11)41(29(5)59-45)62-38-25-46(7,54)44(53)30(6)58-38/h14-16,18,22,26-34,37-45,52-54H,13,17,19-21,23-25H2,1-12H3/b15-14+,18-16+/t26-,27-,28-,29-,30+,31+,32+,33+,34-,37+,38+,39-,40-,41-,42+,43+,44+,45+,46-/m1/s1
Canonical SMILES
CCC(=O)OC1CC(=O)OC(C)CC=CC=CC(OC2CCC(N(C)C)C(C)O2)C(C)CC(CC=O)C(OC2OC(C)C(OC3CC(C)(O)C(O)C(C)O3)C(N(C)C)C2O)C1OC
Isomeric SMILES
CCC(=O)O[C@@H]1CC(=O)O[C@@H](C/C=C/C=C/[C@@H]([C@@H](C[C@@H]([C@@H]([C@H]1OC)O[C@H]2[C@@H]([C@H]([C@@H]([C@H](O2)C)O[C@H]3C[C@@]([C@H]([C@@H](O3)C)O)(C)O)N(C)C)O)CC=O)C)O[C@H]4CC[C@@H]([C@H](O4)C)N(C)C)C

Synonyms

  • Foromacidin C
  • Spiramycin III (contains up to 13% Spiramycin I)
  • Spiramycin - mixture of spiramycins
  • Spiramycin III Solution in Methanol, 100ug/mL

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
899.13 g/molcalc.
Exact mass
898.5402 Dacalc.
LogP (octanol/water)
3.29calc.
Topological polar surface area
201.5 Ųcalc.
Hydrogen bond donors
3calc.
Hydrogen bond acceptors
17calc.
Rotatable bonds
13calc.
Heavy atoms
63calc.
Rings
4calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.85calc.
Formal charge
0calc.
Stereocentres
19calc.
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=C1CCCC(OC2CCC(OC3CCCCO3)CO2)CCCC(OC2CCCCO2)C=CC=CCCO1

O=C1CCCC(OC2CCC(OC3CCCCO3)CO2)CCCC(OC2CCCCO2)C=CC=CCCO1

4 rings, 38 atoms.

41 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.

Spiramycin III suppliers

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

Frequently asked questions

Quick answers about Spiramycin III, based on the data on this page

What is Spiramycin III?

Spiramycin III is an amino oligosaccharide.

What is the CAS number of Spiramycin III?

The CAS registry number of Spiramycin III is 24916-52-7.

What is the molecular formula and weight of Spiramycin III?

The molecular formula of Spiramycin III is C46H78N2O15 and its molar mass is 899.13 g/mol.

What is Spiramycin III used for?

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

Is Spiramycin III hazardous?

No GHS hazard classification for Spiramycin III 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 Spiramycin III?

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

Where can I buy Spiramycin III?

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

What is the price of Spiramycin III?

Suppliers quote Spiramycin III 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 Spiramycin III

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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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