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Impurities and reference standards

Neamine

Also known as Neomycin A, Negamicin, Nebramycin X

CAS 3947-65-7Formula C12H26N4O6Molar mass 322.36 g/molEC 998-897-5
GHS signal word: Warning. Pictograms: Harmful or irritant 5 suppliers listed
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Neamine chemical structure, C12H26N4O6, CAS 3947-65-7
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
3947-65-7
Formula
C12H26N4O6
Molar mass
322.36 g/mol
EC number
998-897-5
HS code
294190
Category
Impurities and reference standards

What is Neamine?

Plain description, key identifiers and synonyms

Neamine is 2-Deoxy-D-streptamine glycosylated at the 4-oxygen with a 6-amino-alpha-D-glucosaminyl group. It has a role as an antibacterial agent. It is an aminoglycoside and a 2,6-dideoxy-alpha-D-glucoside. It is a conjugate base of a neamine(4+).

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-2,3-dihydroxycyclohexyl]oxyoxane-3,4-diol
CAS number
3947-65-7 CAS number cross-checked
EC number
998-897-5
Molecular formula
C12H26N4O6
UNII
5981U00LY0
MDL number
MFCD00023857
InChIKey
SYJXFKPQNSDJLI-HKEUSBCWSA-N
InChI
InChI=1S/C12H26N4O6/c13-2-5-8(18)9(19)6(16)12(21-5)22-11-4(15)1-3(14)7(17)10(11)20/h3-12,17-20H,1-2,13-16H2/t3-,4+,5-,6-,7+,8-,9-,10-,11-,12-/m1/s1
Canonical SMILES
NCC1OC(OC2C(N)CC(N)C(O)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)O)N

Synonyms

  • Neomycin A
  • Negamicin
  • Nebramycin X
  • Neamin
  • Dekamycin V
  • 2-Desoxy-4-O-(2,6-diamino-2,6-didesoxy-alpha-D-glucopyranosyl)-D-streptamin
  • 4-O-(2,6-Diamino-2,6-dideoxy-alpha-D-glucopyranosyl)-2-deoxy-D-streptamine
  • (1R,2R,3S,4R,6S)-4,6-diamino-2,3-dihydroxycyclohexyl 2,6-diamino-2,6-dideoxy-alpha-D-glucopyranoside
  • (2R,3S,4R,5R,6R)-5-amino-2-(aminomethyl)-6-[(1R,2R,3S,4R,6S)-4,6-diamino-2,3-dihydroxycyclohexyl]oxyoxane-3,4-diol
  • D-Streptamine, 2-deoxy-4-O-(2,6-diamino-2,6-dideoxy-alpha-D-glucopyranosyl)-
  • (2R,3S,4R,5R,6R)-5-amino-2-(aminomethyl)-6-((1R,2R,3S,4R,6S)-4,6-diamino-2,3-dihydroxycyclohexyl)oxyoxane-3,4-diol
  • 5-amino-2-(aminomethyl)-6-(4,6-diamino-2,3-dihydroxy-cyclohexoxy)-tetrahydropyran-3,4-diol
  • o-2,6-Diamino-2,6-dideoxy-alpha-d-glucopyranosyl-(1->4)-1,3-diamino-1,2,3-trideoxy-d-myo-inositol
  • Neamine Disulfate Salt
  • (2R,3S,4R,5R,6R)-5-Amino-2-(aminomethyl)-6-(((1R,2R,3S,4R,6S)-4,6-diamino-2,3-dihydroxycyclohexyl)oxy)tetrahydro-2H-pyran-3,4-diol
  • Neomycin Sulfate EP Impurity A
  • (2R,3S,4R,5R,6R)-5-amino-2-(aminomethyl)-6-[(1R,2R,3S,4R,6S)-4,6-diamino-2,3-dihydroxy-cyclohexoxy]tetrahydropyran-3,4-diol
  • (1'r,3's,3S,5R,6R)-5-Amino-2-aminomethyl-6-(4,6-diamino-2,3-dihydroxy-cyclohexyloxy)-tetrahydro-pyran-3,4-diol
  • XXX
  • dekamycinv
  • Neamine CRS
  • 2-Deoxy-4-O-(2,6-diamino-2,6-dideoxy-a-D-glucopyranosyl)-D-streptamine Disulfate Salt, Neomycin A Disulfate Salt
  • (+)-Neamine
  • 4-18-00-07474 (Beilstein Handbook Reference)
  • ST 7
Show all 35 synonyms
  • (2R,3S,4R,5R,6R)-5-amino-2-(aminomethyl)-6-{[(1R,2R,3S,4R,6S)-4,6-diamino-2,3-dihydroxycyclohexyl]oxy}oxane-3,4-diol
  • Tobramycin impurity c
  • Neomycin sulfate impurity a
  • Framycetin sulfate EP Impurity A, Neomycin sulfate EP Impurity A
  • 2-deoxy-4-o-(2,6-diamino-2,6-dideoxy-alpha-d-glucopyranosyl)-d-streptamin
  • 2-Deoxy-4-O-(2,6-diamine-2,6-dideoxy-alpha-D-glucopyranosyl)-D-streptamine
  • 5-amino-2-(aminomethyl)-6-(4,6-diamino-2,3-dihydroxycyclohexyl)oxyoxane-3,4-diol
  • Framycetin Sulfate EP Impurity A, Neomycin Sulfate EP Impurity A, Tobramycin EP Impurity C
  • (2R,3S,4R,5R,6R)-5-amino-2-(aminomethyl)-6-((1R,2R,3S,4R,6S)-4,6-diamino-2,3-dihydroxycyclohexyloxy)-tetrahydro-2H-pyran-3,4-diol
  • 5-Amino-2-aminomethyl-6-(4,6-diamino-2,3-dihydroxy-cyclohexyloxy)-tetrahydro-pyran-3,4-diol

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
322.36 g/molcalc.
Exact mass
322.1852 Dacalc.
LogP (octanol/water)
-5.12calc.
Topological polar surface area
203.5 Ųcalc.
Hydrogen bond donors
8calc.
Hydrogen bond acceptors
10calc.
Rotatable bonds
3calc.
Heavy atoms
22calc.
Rings
2calc.
Aromatic rings
0calc.
Fraction sp3 carbons
1calc.
Formal charge
0calc.
Stereocentres
10calc.
Lipinski rule of five
Passes (1 violation)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(OC2CCCCO2)CC1

C1CCC(OC2CCCCO2)CC1

2 rings, 13 atoms, the 2H-Pyran, 2-(cyclohexyloxy)tetrahydro- ring system.

179 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
Precautionary statements (9)
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P302 + P352If on skin: Wash with plenty of water.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P332 + P317If skin irritation occurs: Get medical help.
  • P337 + P317If eye irritation persists: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Neamine suppliers

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Where suppliers are based

5 suppliers in 3 countries

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Neamine 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

Roles

  • antibacterial agent
  • antimicrobial agent

Pharmacology

Neamine is the minor component of the neomycin complex, a broad spectrum aminoglycoside antibiotic derived from Streptomyces fradiae with antibacterial activity.

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

Frequently asked questions

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

What is Neamine?

Neamine is 2-Deoxy-D-streptamine glycosylated at the 4-oxygen with a 6-amino-alpha-D-glucosaminyl group. It has a role as an antibacterial agent. It is an aminoglycoside and a 2,6-dideoxy-alpha-D-glucoside. It is a conjugate base of a neamine(4+).

What is the CAS number of Neamine?

The CAS registry number of Neamine is 3947-65-7.

What is the molecular formula and weight of Neamine?

The molecular formula of Neamine is C12H26N4O6 and its molar mass is 322.36 g/mol.

What is Neamine used for?

Known uses and roles of Neamine include antibacterial agent and antimicrobial agent.

Is Neamine hazardous?

Neamine carries the GHS signal word "Warning". Main hazards: causes skin irritation, causes serious eye irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Neamine?

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

Where can I buy Neamine?

CompoundList lists 5 suppliers of Neamine in China, United States and Czech Republic. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Neamine?

Suppliers quote Neamine 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 Neamine

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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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