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Impurities and reference standards

Sivelestat sodium impurity E

Also known as Sivelestat sodium Impurity 5, 4-(N-(2-((2-methoxy-2-oxoethyl)carbamoyl)phenyl)sulfamoyl)phenyl pivalate

CAS 127373-95-9Formula C21H24N2O7SMolar mass 448.50 g/mol
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Sivelestat sodium impurity E chemical structure, C21H24N2O7S, CAS 127373-95-9
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
127373-95-9
Formula
C21H24N2O7S
Molar mass
448.50 g/mol
HS code
293590
Category
Impurities and reference standards

What is Sivelestat sodium impurity E?

Plain description, key identifiers and synonyms

Sivelestat sodium impurity E is a chemical substance with the molecular formula C21H24N2O7S and a molar mass of 448.50 g/mol. Its CAS registry number is 127373-95-9. The IUPAC name is [4-[[2-[(2-methoxy-2-oxoethyl)carbamoyl]phenyl]sulfamoyl]phenyl] 2,2-dimethylpropanoate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
[4-[[2-[(2-methoxy-2-oxoethyl)carbamoyl]phenyl]sulfamoyl]phenyl] 2,2-dimethylpropanoate
CAS number
127373-95-9
Molecular formula
C21H24N2O7S
InChIKey
VXISQWMIJBHBNO-UHFFFAOYSA-N
InChI
InChI=1S/C21H24N2O7S/c1-21(2,3)20(26)30-14-9-11-15(12-10-14)31(27,28)23-17-8-6-5-7-16(17)19(25)22-13-18(24)29-4/h5-12,23H,13H2,1-4H3,(H,22,25)
SMILES (canonical and isomeric)
CC(C)(C)C(=O)OC1=CC=C(C=C1)S(=O)(=O)NC2=CC=CC=C2C(=O)NCC(=O)OC

Synonyms

  • Sivelestat sodium Impurity 5
  • 4-(N-(2-((2-methoxy-2-oxoethyl)carbamoyl)phenyl)sulfamoyl)phenyl pivalate

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
448.50 g/molcalc.
Exact mass
448.1304 Dacalc.
LogP (octanol/water)
2.34calc.
Topological polar surface area
127.9 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
7calc.
Rotatable bonds
7calc.
Heavy atoms
31calc.
Rings
2calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.29calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 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, O=S(=O)(Nc1ccccc1)c1ccccc1

O=S(=O)(Nc1ccccc1)c1ccccc1

2 rings, 16 atoms, the Benzenesulfonanilide ring system.

5,797 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.

Sivelestat sodium impurity E suppliers

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Sivelestat sodium 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 Sivelestat sodium 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 Sivelestat sodium 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 Sivelestat sodium impurity E, based on the data on this page

What is Sivelestat sodium impurity E?

Sivelestat sodium impurity E is a chemical substance with the molecular formula C21H24N2O7S and a molar mass of 448.50 g/mol. Its CAS registry number is 127373-95-9. The IUPAC name is [4-[[2-[(2-methoxy-2-oxoethyl)carbamoyl]phenyl]sulfamoyl]phenyl] 2,2-dimethylpropanoate.

What is the CAS number of Sivelestat sodium impurity E?

The CAS registry number of Sivelestat sodium impurity E is 127373-95-9.

What is the molecular formula and weight of Sivelestat sodium impurity E?

The molecular formula of Sivelestat sodium impurity E is C21H24N2O7S and its molar mass is 448.50 g/mol.

Is Sivelestat sodium impurity E hazardous?

No GHS hazard classification for Sivelestat sodium 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 Sivelestat sodium impurity E?

Sivelestat sodium 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 Sivelestat sodium impurity E?

Post a free request on CompoundList and suppliers of Sivelestat sodium impurity E will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Sivelestat sodium impurity E?

Suppliers quote Sivelestat sodium 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 Sivelestat sodium 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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