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Impurities and reference standards

Glyburide impurity E

Also known as 3-Chloro Glyburide, Glibenclamide EP Impurity E, (Glyburide IMpurity)

CAS 57334-89-1Formula C23H27Cl2N3O5SMolar mass 528.46 g/mol
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Glyburide impurity E chemical structure, C23H27Cl2N3O5S, CAS 57334-89-1
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
57334-89-1
Formula
C23H27Cl2N3O5S
Molar mass
528.46 g/mol
HS code
293590
Category
Impurities and reference standards

What is Glyburide impurity E?

Plain description, key identifiers and synonyms

Glyburide impurity E is a chemical substance with the molecular formula C23H27Cl2N3O5S and a molar mass of 528.46 g/mol. Its CAS registry number is 57334-89-1. The IUPAC name is 3,5-dichloro-N-[2-[4-(cyclohexylcarbamoylsulfamoyl)phenyl]ethyl]-2-methoxybenzamide.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
3,5-dichloro-N-[2-[4-(cyclohexylcarbamoylsulfamoyl)phenyl]ethyl]-2-methoxybenzamide
CAS number
57334-89-1
Molecular formula
C23H27Cl2N3O5S
UNII
F576ADT4AR
InChIKey
AFVBBTSZLDSNJV-UHFFFAOYSA-N
InChI
InChI=1S/C23H27Cl2N3O5S/c1-33-21-19(13-16(24)14-20(21)25)22(29)26-12-11-15-7-9-18(10-8-15)34(31,32)28-23(30)27-17-5-3-2-4-6-17/h7-10,13-14,17H,2-6,11-12H2,1H3,(H,26,29)(H2,27,28,30)
SMILES (canonical and isomeric)
COC1=C(C=C(C=C1Cl)Cl)C(=O)NCCC2=CC=C(C=C2)S(=O)(=O)NC(=O)NC3CCCCC3

Synonyms

  • 3-Chloro Glyburide
  • Glibenclamide EP Impurity E
  • (Glyburide IMpurity)
  • 3,5-Dichloro-N-(4-(N-(cyclohexylcarbamoyl)sulfamoyl)phenethyl)-2-methoxybenzamide
  • 3,5-dichloro-N-[2-[4-(cyclohexylcarbamoylsulfamoyl)phenyl]ethyl]-2-methoxybenzamide
  • UR 623
  • 3-Chloro Glyburide(Glyburide Impurity)
  • 3,5-Dichloro-N-[2-[4-[[[(cyclohexylamino)carbonyl]amino]sulfonyl]phenyl]ethyl]-2-methoxybenzamide
  • Glibenclamide impurity e
  • 3-Chloro Glyburide (Glibenclamide EP Impurity E)
  • 1-cyclohexyl-3-[[4-[2-[(3,5-dichloro-2-methoxybenzoyl)amino]ethyl]phenyl]sulfonyl]urea
  • Benzamide, 3,5-dichloro-N-[2-[4-[[[(cyclohexylamino)carbonyl]amino]sulfonyl]phenyl]ethyl]-2-methoxy-

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
528.46 g/molcalc.
Exact mass
527.1048 Dacalc.
LogP (octanol/water)
4.3calc.
Topological polar surface area
113.6 Ųcalc.
Hydrogen bond donors
3calc.
Hydrogen bond acceptors
5calc.
Rotatable bonds
8calc.
Heavy atoms
34calc.
Rings
3calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.39calc.
Formal charge
0calc.
Stereocentres
0calc.
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, O=C(NC1CCCCC1)NS(=O)(=O)c1ccc(CCNC(=O)c2ccccc2)cc1

O=C(NC1CCCCC1)NS(=O)(=O)c1ccc(CCNC(=O)c2ccccc2)cc1

3 rings, 30 atoms.

26 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.

Glyburide impurity E suppliers

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Glyburide impurity E 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 Glyburide impurity E is traded under.

HS 2935.90Indicative HS code

Sulphonamides, other

World exports in 2024
$5.64B
−11.0% vs 2023, imports $8.56B
2019 to 2024
Top exporters
  1. Ireland43.1%
  2. China12.0%
  3. India * partner reported9.5%
Top importers
  1. United States23.6%
  2. Slovenia19.1%
  3. Spain11.7%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

Quick answers about Glyburide impurity E, based on the data on this page

What is Glyburide impurity E?

Glyburide impurity E is a chemical substance with the molecular formula C23H27Cl2N3O5S and a molar mass of 528.46 g/mol. Its CAS registry number is 57334-89-1. The IUPAC name is 3,5-dichloro-N-[2-[4-(cyclohexylcarbamoylsulfamoyl)phenyl]ethyl]-2-methoxybenzamide.

What is the CAS number of Glyburide impurity E?

The CAS registry number of Glyburide impurity E is 57334-89-1.

What is the molecular formula and weight of Glyburide impurity E?

The molecular formula of Glyburide impurity E is C23H27Cl2N3O5S and its molar mass is 528.46 g/mol.

Is Glyburide impurity E hazardous?

No GHS hazard classification for Glyburide impurity E 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 Glyburide impurity E?

Glyburide impurity E is usually classified under HS code 293590 (Sulphonamides, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Glyburide impurity E?

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What is the price of Glyburide impurity E?

Suppliers quote Glyburide impurity E 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 Glyburide impurity E

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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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