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Heterocyclic compounds

Keratan

Also known as GlyTouCan:G55755FT, Kerato sulphate, Kerato sulfate

CAS 69992-87-6Formula C28H48N2O32S4Molar mass 1,052.94 g/mol
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Keratan chemical structure, C28H48N2O32S4, CAS 69992-87-6
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
69992-87-6
Formula
C28H48N2O32S4
Molar mass
1,052.94 g/mol
HS code
293299
Category
Heterocyclic compounds

What is Keratan?

Plain description, key identifiers and synonyms

Keratan is a chemical substance with the molecular formula C28H48N2O32S4 and a molar mass of 1,052.94 g/mol. Its CAS registry number is 69992-87-6. The IUPAC name is [(2R,3S,4S,5R,6R)-4-[(2S,3R,4R,5S,6R)-3-acetamido-5-[(2S,3R,4S,5S,6R)-4-[(2S,3R,4S,6S)-3-acetamido-4-hydroxy-6-(sulfooxymethyl)oxan-2-yl]oxy-3,5-dihydroxy-6-(sulfooxymethyl)oxan-2-yl]oxy-4-hydroxy-6-(sulfooxymethyl)oxan-2-yl]oxy-3,5,6-trihydroxyoxan-2-yl]methyl hydrogen sulfate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
[(2R,3S,4S,5R,6R)-4-[(2S,3R,4R,5S,6R)-3-acetamido-5-[(2S,3R,4S,5S,6R)-4-[(2S,3R,4S,6S)-3-acetamido-4-hydroxy-6-(sulfooxymethyl)oxan-2-yl]oxy-3,5-dihydroxy-6-(sulfooxymethyl)oxan-2-yl]oxy-4-hydroxy-6-(sulfooxymethyl)oxan-2-yl]oxy-3,5,6-trihydroxyoxan-2-yl]methyl hydrogen sulfate
CAS number
69992-87-6
Molecular formula
C28H48N2O32S4
InChIKey
KXCLCNHUUKTANI-RBIYJLQWSA-N
InChI
InChI=1S/C28H48N2O32S4/c1-8(31)29-15-11(33)3-10(4-52-63(40,41)42)56-26(15)62-24-18(35)13(6-54-65(46,47)48)58-28(21(24)38)60-22-14(7-55-66(49,50)51)59-27(16(19(22)36)30-9(2)32)61-23-17(34)12(5-53-64(43,44)45)57-25(39)20(23)37/h10-28,33-39H,3-7H2,1-2H3,(H,29,31)(H,30,32)(H,40,41,42)(H,43,44,45)(H,46,47,48)(H,49,50,51)/t10-,11-,12+,13+,14+,15+,16+,17-,18-,19+,20+,21+,22+,23-,24-,25+,26-,27-,28-/m0/s1
Canonical SMILES
CC(=O)NC1C(O)CC(COS(=O)(=O)O)OC1OC1C(O)C(COS(=O)(=O)O)OC(OC2C(COS(=O)(=O)O)OC(OC3C(O)C(O)OC(COS(=O)(=O)O)C3O)C(NC(C)=O)C2O)C1O
Isomeric SMILES
CC(=O)N[C@@H]1[C@H](C[C@H](O[C@H]1O[C@H]2[C@H]([C@H](O[C@H]([C@@H]2O)O[C@@H]3[C@H](O[C@H]([C@@H]([C@H]3O)NC(=O)C)O[C@H]4[C@H]([C@H](O[C@H]([C@@H]4O)O)COS(=O)(=O)O)O)COS(=O)(=O)O)COS(=O)(=O)O)O)COS(=O)(=O)O)O

Synonyms

  • GlyTouCan:G55755FT
  • Kerato sulphate
  • Kerato sulfate
  • kerato 6'-sulfate
  • keratan 6'-sulfate
  • Kerato 6'-sulphate
  • Keratan 6'-sulphate

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
1,052.94 g/molcalc.
Exact mass
1,052.1073 Dacalc.
LogP (octanol/water)
-9.12calc.
Topological polar surface area
518.8 Ųcalc.
Hydrogen bond donors
13calc.
Hydrogen bond acceptors
28calc.
Rotatable bonds
20calc.
Heavy atoms
66calc.
Rings
4calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.93calc.
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(OC2CCOC(OC3CCC(OC4CCOCC4)OC3)C2)OC1

C1CCC(OC2CCOC(OC3CCC(OC4CCOCC4)OC3)C2)OC1

4 rings, 27 atoms.

10 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.

Keratan suppliers

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

Frequently asked questions

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

What is Keratan?

Keratan is a chemical substance with the molecular formula C28H48N2O32S4 and a molar mass of 1,052.94 g/mol. Its CAS registry number is 69992-87-6.

What is the CAS number of Keratan?

The CAS registry number of Keratan is 69992-87-6.

What is the molecular formula and weight of Keratan?

The molecular formula of Keratan is C28H48N2O32S4 and its molar mass is 1,052.94 g/mol.

Is Keratan hazardous?

No GHS hazard classification for Keratan 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 Keratan?

Keratan 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 Keratan?

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What is the price of Keratan?

Suppliers quote Keratan 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 Keratan

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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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