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Impurities and reference standards

Gamma-cyclodextrin

Also known as Cyclooctaamylose, gamma cyclodextrin, Cyclomaltooctaose

CAS 17465-86-0Formula C48H80O40Molar mass 1,297.13 g/molEC 241-482-4
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Gamma-cyclodextrin chemical structure, C48H80O40, CAS 17465-86-0
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
17465-86-0
Formula
C48H80O40
Molar mass
1,297.13 g/mol
EC number
241-482-4
HS code
293299
Category
Impurities and reference standards

What is Gamma-cyclodextrin?

Plain description, key identifiers and synonyms

Gamma-cyclodextrin is a cycloamylose composed of eight alpha-(14) linked D-glucopyranose units.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(1S,3R,5R,6S,8R,10R,11S,13R,15R,16S,18R,20R,21S,23R,25R,26S,28R,30R,31S,33R,35R,36S,38R,40R,41R,42R,43R,44R,45R,46R,47R,48R,49R,50R,51R,52R,53R,54R,55R,56R)-5,10,15,20,25,30,35,40-octakis(hydroxymethyl)-2,4,7,9,12,14,17,19,22,24,27,29,32,34,37,39-hexadecaoxanonacyclo[36.2.2.23,6.28,11.213,16.218,21.223,26.228,31.233,36]hexapentacontane-41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56-hexadecol
CAS number
17465-86-0 CAS number cross-checked
EC number
241-482-4
Molecular formula
C48H80O40
UNII
KZJ0BYZ5VA
MDL number
MFCD00009595
InChIKey
GDSRMADSINPKSL-HSEONFRVSA-N
InChI
InChI=1S/C48H80O40/c49-1-9-33-17(57)25(65)41(73-9)82-34-10(2-50)75-43(27(67)19(34)59)84-36-12(4-52)77-45(29(69)21(36)61)86-38-14(6-54)79-47(31(71)23(38)63)88-40-16(8-56)80-48(32(72)24(40)64)87-39-15(7-55)78-46(30(70)22(39)62)85-37-13(5-53)76-44(28(68)20(37)60)83-35-11(3-51)74-42(81-33)26(66)18(35)58/h9-72H,1-8H2/t9-,10-,11-,12-,13-,14-,15-,16-,17-,18-,19-,20-,21-,22-,23-,24-,25-,26-,27-,28-,29-,30-,31-,32-,33-,34-,35-,36-,37-,38-,39-,40-,41-,42-,43-,44-,45-,46-,47-,48-/m1/s1
Canonical SMILES
OCC1OC2OC3C(CO)OC(OC4C(CO)OC(OC5C(CO)OC(OC6C(CO)OC(OC7C(CO)OC(OC8C(CO)OC(OC9C(CO)OC(OC1C(O)C2O)C(O)C9O)C(O)C8O)C(O)C7O)C(O)C6O)C(O)C5O)C(O)C4O)C(O)C3O
Isomeric SMILES
C([C@@H]1[C@@H]2[C@@H]([C@H]([C@H](O1)O[C@@H]3[C@H](O[C@@H]([C@@H]([C@H]3O)O)O[C@@H]4[C@H](O[C@@H]([C@@H]([C@H]4O)O)O[C@@H]5[C@H](O[C@@H]([C@@H]([C@H]5O)O)O[C@@H]6[C@H](O[C@@H]([C@@H]([C@H]6O)O)O[C@@H]7[C@H](O[C@@H]([C@@H]([C@H]7O)O)O[C@@H]8[C@H](O[C@@H]([C@@H]([C@H]8O)O)O[C@@H]9[C@H](O[C@H](O2)[C@@H]([C@H]9O)O)CO)CO)CO)CO)CO)CO)CO)O)O)O

Synonyms

  • Cyclooctaamylose
  • gamma cyclodextrin
  • Cyclomaltooctaose
  • Ringdex C
  • gamma-Dextrin
  • Cyclooctapentylose
  • Cavamax w8
  • Cyclodextrin, gamma-
  • g-cyclodextrin
  • Ins no.458
  • Ins-458
  • Dexy Pearl gamma-100
  • cyclomalto-octaose
  • GlyTouCan:G28503YQ
  • gamma-CD
  • Sugammadex Impurity 48
  • Gammacyclodextrin
  • A-?Cyclodextrin
  • Gammacyclodextrin CRS
  • Schardinger ?-Dextrin
  • Betadex EP Impurity B
  • 1p2g
  • Gammadex [EP monograph]
  • gamma-Cyclodextrin, >=98%
  • Alfadex impurity b
Show all 29 synonyms
  • Betadex EP Impurity B, Alfadex EP Impurity B
  • gamma-Cyclodextrin, purum, >=98.0% (HPLC)
  • Cyclooctakis-(1->4)-(alpha-d-glucopyranosyl)
  • Gamma Cyclodextrin, United States Pharmacopeia (USP) Reference Standard

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
1,297.13 g/molcalc.
Exact mass
1,296.4226 Dacalc.
LogP (octanol/water)
-17.41calc.
Topological polar surface area
633.2 Ųcalc.
Hydrogen bond donors
24calc.
Hydrogen bond acceptors
40calc.
Rotatable bonds
8calc.
Heavy atoms
88calc.
Rings
30calc.
Aromatic rings
0calc.
Fraction sp3 carbons
1calc.
Formal charge
0calc.
Stereocentres
40calc.
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, C1CC2OCC1OC1CCC(CO1)OC1CCC(CO1)OC1CCC(CO1)OC1CCC(CO1)OC1CCC(CO1)OC1CCC(CO1)OC1CCC(CO1)O2

C1CC2OCC1OC1CCC(CO1)OC1CCC(CO1)OC1CCC(CO1)OC1CCC(CO1)OC1CCC(CO1)OC1CCC(CO1)OC1CCC(CO1)O2

30 rings, 56 atoms.

67 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.

Gamma-cyclodextrin suppliers

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Where suppliers are based

24 suppliers in 6 countries

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Gamma-cyclodextrin 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

United States

  • TSCA inventory (USA)
    Status: Active in US commerce, Regulatory flags: Added by a premanufacture notice

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Gamma-cyclodextrin is traded under.

HS 2932.99Indicative HS code

Heterocyclic compounds with oxygen hetero-atom(s) only, other

World exports in 2024
$3.81B
+10.3% vs 2023, imports $7.05B
2019 to 2024
Top exporters
  1. China28.9%
  2. Switzerland * partner reported12.7%
  3. Germany7.8%
Top importers
  1. United States49.7%
  2. China11.9%
  3. India * partner reported3.3%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

Quick answers about Gamma-cyclodextrin, based on the data on this page

What is Gamma-cyclodextrin?

Gamma-cyclodextrin is a cycloamylose composed of eight alpha-(14) linked D-glucopyranose units.

What is the CAS number of Gamma-cyclodextrin?

The CAS registry number of Gamma-cyclodextrin is 17465-86-0.

What is the molecular formula and weight of Gamma-cyclodextrin?

The molecular formula of Gamma-cyclodextrin is C48H80O40 and its molar mass is 1,297.13 g/mol.

Is Gamma-cyclodextrin hazardous?

No GHS hazard classification for Gamma-cyclodextrin 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 Gamma-cyclodextrin?

Gamma-cyclodextrin is usually classified under HS code 293299 (Heterocyclic compounds with oxygen hetero-atom(s) only, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Gamma-cyclodextrin?

CompoundList lists 24 suppliers of Gamma-cyclodextrin in China, United States, Germany, Japan and 2 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Gamma-cyclodextrin?

Suppliers quote Gamma-cyclodextrin 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 Gamma-cyclodextrin

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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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