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Glycosides and other natural products

Gentamicin B

Also known as Betamicin, Gentamycin B, O-6-amino-6-deoxy-alpha-D-glucopyranosyl-(1-4)-O-(3-deoxy-4-C-methyl)-3-(methylamino)-beta-L-arabinopyranosyl-(1-6)-2-deoxy-D-streptamine

CAS 36889-15-3Formula C19H38N4O10Molar mass 482.53 g/mol
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Gentamicin B chemical structure, C19H38N4O10, CAS 36889-15-3
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
36889-15-3
Formula
C19H38N4O10
Molar mass
482.53 g/mol
HS code
294190
Category
Glycosides and other natural products

What is Gentamicin B?

Plain description, key identifiers and synonyms

Gentamicin B is a glycoside and an amino cyclitol.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(2R,3S,4S,5R,6R)-2-(aminomethyl)-6-[(1R,2R,3S,4R,6S)-4,6-diamino-3-[(2R,3R,4R,5R)-3,5-dihydroxy-5-methyl-4-(methylamino)oxan-2-yl]oxy-2-hydroxycyclohexyl]oxyoxane-3,4,5-triol
CAS number
36889-15-3 CAS number cross-checked
Molecular formula
C19H38N4O10
UNII
67W9DGG4C7
InChIKey
RHRAMPXHWHSKQB-GGEUKFTFSA-N
InChI
InChI=1S/C19H38N4O10/c1-19(29)5-30-17(13(28)16(19)23-2)32-14-6(21)3-7(22)15(12(14)27)33-18-11(26)10(25)9(24)8(4-20)31-18/h6-18,23-29H,3-5,20-22H2,1-2H3/t6-,7+,8-,9-,10+,11-,12-,13-,14+,15-,16-,17-,18-,19+/m1/s1
Canonical SMILES
CNC1C(O)C(OC2C(N)CC(N)C(OC3OC(CN)C(O)C(O)C3O)C2O)OCC1(C)O
Isomeric SMILES
C[C@@]1(CO[C@@H]([C@@H]([C@H]1NC)O)O[C@H]2[C@@H](C[C@@H]([C@H]([C@@H]2O)O[C@@H]3[C@@H]([C@H]([C@@H]([C@H](O3)CN)O)O)O)N)N)O

Synonyms

  • Betamicin
  • Gentamycin B
  • O-6-amino-6-deoxy-alpha-D-glucopyranosyl-(1-4)-O-(3-deoxy-4-C-methyl)-3-(methylamino)-beta-L-arabinopyranosyl-(1-6)-2-deoxy-D-streptamine
  • Betamicine
  • Betamicina
  • Betamicinum
  • Gentamicinb
  • D-Streptamine, o-6-amino-6-deoxy-alpha-d-glucopyranosyl-(1->4)-o-(3-deoxy-4-c-methyl-3-(methylamino)-beta-l-arabinopyranosyl-(1->6))-2-deoxy-
  • D-Streptamine, O-6-amino-6-deoxy-alpha-D-glucopyranosyl-(1-4)-O-(3-deoxy-4-C-methyl-3-(methylamino)-beta-L-arabinopyranosyl-(1-6))-2-deoxy-
  • O-6-Amino-6-deoxy-alpha-D-glucopyranosyl-(1-4)-O-(3-deoxy-4-C-methyl-3-(methylamino)-beta-L-arabinopyranosyl-(1-6))-2-deoxy-D-streptamine

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
482.53 g/molcalc.
Exact mass
482.2588 Dacalc.
LogP (octanol/water)
-6calc.
Topological polar surface area
248.4 Ųcalc.
Hydrogen bond donors
10calc.
Hydrogen bond acceptors
14calc.
Rotatable bonds
6calc.
Heavy atoms
33calc.
Rings
3calc.
Aromatic rings
0calc.
Fraction sp3 carbons
1calc.
Formal charge
0calc.
Stereocentres
14calc.
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, C1CCC(OC2CCCC(OC3CCCCO3)C2)OC1

C1CCC(OC2CCCC(OC3CCCCO3)C2)OC1

3 rings, 20 atoms.

211 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.

Gentamicin B suppliers

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Where suppliers are based

1 supplier in 1 country

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Gentamicin B 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

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

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

Frequently asked questions

Quick answers about Gentamicin B, based on the data on this page

What is Gentamicin B?

Gentamicin B is a glycoside and an amino cyclitol.

What is the CAS number of Gentamicin B?

The CAS registry number of Gentamicin B is 36889-15-3.

What is the molecular formula and weight of Gentamicin B?

The molecular formula of Gentamicin B is C19H38N4O10 and its molar mass is 482.53 g/mol.

Is Gentamicin B hazardous?

No GHS hazard classification for Gentamicin B 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 Gentamicin B?

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

Where can I buy Gentamicin B?

CompoundList lists 1 supplier of Gentamicin B in United Kingdom. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Gentamicin B?

Suppliers quote Gentamicin B 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 Gentamicin B

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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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