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Impurities and reference standards

Neomycin C

Also known as Dekamycin II, Neomycin sulfate impurity c, Framycetin sulfate EP Impurity C, ? Neomycin C, Neomycin sulfate EP Impurity C

CAS 66-86-4Formula C23H46N6O13Molar mass 614.65 g/mol
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Neomycin C chemical structure, C23H46N6O13, CAS 66-86-4
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
66-86-4
Formula
C23H46N6O13
Molar mass
614.65 g/mol
HS code
294190
Category
Impurities and reference standards

What is Neomycin C?

Plain description, key identifiers and synonyms

Neomycin C is a tetracyclic antibacterial agent derived from neomycin, being a glycoside ester of neamine and neobiosamine C. It is a conjugate base of a neomycin C(6+).

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(2R,3S,4R,5R,6R)-5-amino-2-(aminomethyl)-6-[(1R,2R,3S,4R,6S)-4,6-diamino-2-[(2S,3R,4S,5R)-4-[(2R,3R,4R,5S,6R)-3-amino-6-(aminomethyl)-4,5-dihydroxyoxan-2-yl]oxy-3-hydroxy-5-(hydroxymethyl)oxolan-2-yl]oxy-3-hydroxycyclohexyl]oxyoxane-3,4-diol
CAS number
66-86-4 CAS number cross-checked
Molecular formula
C23H46N6O13
UNII
6B1U1NS16Z
InChIKey
PGBHMTALBVVCIT-VZXHOKRSSA-N
InChI
InChI=1S/C23H46N6O13/c24-2-7-13(32)15(34)10(28)21(37-7)40-18-6(27)1-5(26)12(31)20(18)42-23-17(36)19(9(4-30)39-23)41-22-11(29)16(35)14(33)8(3-25)38-22/h5-23,30-36H,1-4,24-29H2/t5-,6+,7-,8-,9-,10-,11-,12+,13-,14-,15-,16-,17-,18-,19-,20-,21-,22-,23+/m1/s1
Canonical SMILES
NCC1OC(OC2C(CO)OC(OC3C(O)C(N)CC(N)C3OC3OC(CN)C(O)C(O)C3N)C2O)C(N)C(O)C1O
Isomeric SMILES
C1[C@H]([C@@H]([C@H]([C@@H]([C@H]1N)O[C@@H]2[C@@H]([C@H]([C@@H]([C@H](O2)CN)O)O)N)O[C@H]3[C@@H]([C@@H]([C@H](O3)CO)O[C@@H]4[C@@H]([C@H]([C@@H]([C@H](O4)CN)O)O)N)O)O)N

Synonyms

  • Dekamycin II
  • Neomycin sulfate impurity c
  • Framycetin sulfate EP Impurity C, ? Neomycin C, Neomycin sulfate EP Impurity C

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
614.65 g/molcalc.
Exact mass
614.3123 Dacalc.
LogP (octanol/water)
-8.9calc.
Topological polar surface area
353.1 Ųcalc.
Hydrogen bond donors
13calc.
Hydrogen bond acceptors
19calc.
Rotatable bonds
9calc.
Heavy atoms
42calc.
Rings
4calc.
Aromatic rings
0calc.
Fraction sp3 carbons
1calc.
Formal charge
0calc.
Stereocentres
19calc.
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, C1CCC(OC2COC(OC3CCCCC3OC3CCCCO3)C2)OC1

C1CCC(OC2COC(OC3CCCCC3OC3CCCCO3)C2)OC1

4 rings, 26 atoms.

49 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.

Neomycin C suppliers

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Neomycin C 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

Pharmacology

Neomycin C is one of the two major active isomeric components of the neomycin complex. Neomycin C is approximately half as active as neomycin B.

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 Neomycin C is traded under.

HS 2941.90Indicative HS code

Antibiotics, other

World exports in 2024
$6.39B
+2.3% vs 2023, imports $6.97B
2019 to 2024
Top exporters
  1. China39.7%
  2. United States11.3%
  3. Switzerland * partner reported10.9%
Top importers
  1. Italy15.0%
  2. India * partner reported12.0%
  3. China8.7%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

Quick answers about Neomycin C, based on the data on this page

What is Neomycin C?

Neomycin C is a tetracyclic antibacterial agent derived from neomycin, being a glycoside ester of neamine and neobiosamine C. It is a conjugate base of a neomycin C(6+).

What is the CAS number of Neomycin C?

The CAS registry number of Neomycin C is 66-86-4.

What is the molecular formula and weight of Neomycin C?

The molecular formula of Neomycin C is C23H46N6O13 and its molar mass is 614.65 g/mol.

Is Neomycin C hazardous?

No GHS hazard classification for Neomycin C 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 Neomycin C?

Neomycin C is usually classified under HS code 294190 (Antibiotics, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Neomycin C?

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What is the price of Neomycin C?

Suppliers quote Neomycin C 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 Neomycin C

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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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