CompoundList

HS-173

Also known as ethyl 6-[5-(benzenesulfonamido)pyridin-3-yl]imidazo[1,2-a]pyridine-3-carboxylate, ethyl 6-(5-(benzenesulfonamido)pyridin-3-yl)imidazo(1,2-a)pyridine-3-carboxylate, Ethyl 6-(5-(phenylsulfonamido)pyridin-3-yl)imidazo[1,2-a]pyridine-3-carboxylate

CAS 1276110-06-5Formula C21H18N4O4SMolar mass 422.47 g/mol
HS-173 chemical structure, C21H18N4O4S, CAS 1276110-06-5
2D chemical structure

Key facts

What buyers check first

CAS number
1276110-06-5
Formula
C21H18N4O4S
Molar mass
422.47 g/mol
HS code
293590
Category
Screening compounds

What is HS-173?

Plain description, key identifiers and synonyms

HS-173 is a chemical substance with the molecular formula C21H18N4O4S and a molar mass of 422.47 g/mol. Its CAS registry number is 1276110-06-5. The IUPAC name is ethyl 6-[5-(benzenesulfonamido)-3-pyridinyl]imidazo[1,2-a]pyridine-3-carboxylate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
ethyl 6-[5-(benzenesulfonamido)-3-pyridinyl]imidazo[1,2-a]pyridine-3-carboxylate
CAS number
1276110-06-5
Molecular formula
C21H18N4O4S
UNII
2758X982JL
MDL number
MFCD28023584
InChIKey
SEKOTFCHZNXZMM-UHFFFAOYSA-N
InChI
InChI=1S/C21H18N4O4S/c1-2-29-21(26)19-13-23-20-9-8-15(14-25(19)20)16-10-17(12-22-11-16)24-30(27,28)18-6-4-3-5-7-18/h3-14,24H,2H2,1H3
SMILES (canonical and isomeric)
CCOC(=O)C1=CN=C2N1C=C(C=C2)C3=CC(=CN=C3)NS(=O)(=O)C4=CC=CC=C4

Synonyms

  • ethyl 6-[5-(benzenesulfonamido)pyridin-3-yl]imidazo[1,2-a]pyridine-3-carboxylate
  • ethyl 6-(5-(benzenesulfonamido)pyridin-3-yl)imidazo(1,2-a)pyridine-3-carboxylate
  • Ethyl 6-(5-(phenylsulfonamido)pyridin-3-yl)imidazo[1,2-a]pyridine-3-carboxylate
  • Ethyl 6-(5-(Phenylsulfonamido)pyridin-3-yl)imidazo[1,2-a]-pyridine-3-carboxylate
  • ethyl 6-(5-benzenesulfonamidopyridin-3-yl)imidazo[1,2-a]pyridine-3-carboxylate
  • Imidazo[1,2-a]pyridine-3-carboxylic acid, 6-[5-[(phenylsulfonyl)amino]-3-pyridinyl]-, ethyl ester
  • ethyl 6-[5-(benzenesulfonamido)-3-pyridyl]imidazo[1,2-a]pyridine-3-carboxylate
  • Imidazo(1,2-a)pyridine-3-carboxylic acid, 6-(5-((phenylsulfonyl)amino)-3-pyridinyl)-, ethyl ester
  • HS 173
  • 2-Naphthalenol, 1
  • HS-173?
  • HS173, HS 173, HS-173
  • Ethyl 6-(5-(phenylsulfonamido)pyridin-3-yl)imidazo[1,2-a]pyridine -3-carboxylate
  • Ethyl 6-[5-(Phenylsulfonamido)-3-pyridyl]imidazo[1,2-a]pyridine-3-carboxylate

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
422.47 g/molcalc.
Exact mass
422.1049 Dacalc.
LogP (octanol/water)
3.37calc.
Topological polar surface area
102.7 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
6calc.
Rotatable bonds
6calc.
Heavy atoms
30calc.
Rings
4calc.
Aromatic rings
4calc.
Fraction sp3 carbons
0.1calc.
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)(Nc1cncc(-c2ccc3nccn3c2)c1)c1ccccc1

O=S(=O)(Nc1cncc(-c2ccc3nccn3c2)c1)c1ccccc1

4 rings, 25 atoms.

No other chemical in our database has 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.

HS-173 suppliers

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HS-173 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

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 HS-173 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 HS-173 is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about HS-173, based on the data on this page

What is HS-173?

HS-173 is a chemical substance with the molecular formula C21H18N4O4S and a molar mass of 422.47 g/mol. Its CAS registry number is 1276110-06-5. The IUPAC name is ethyl 6-[5-(benzenesulfonamido)-3-pyridinyl]imidazo[1,2-a]pyridine-3-carboxylate.

What is the CAS number of HS-173?

The CAS registry number of HS-173 is 1276110-06-5.

What is the molecular formula and weight of HS-173?

The molecular formula of HS-173 is C21H18N4O4S and its molar mass is 422.47 g/mol.

What is HS-173 used for?

Known uses and roles of HS-173 include building blocks in research and laboratory and screening compounds in research and laboratory.

Is HS-173 hazardous?

No GHS hazard classification for HS-173 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 HS-173?

HS-173 is usually classified under HS code 293590 (Sulphonamides, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy HS-173?

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What is the price of HS-173?

Suppliers quote HS-173 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 HS-173

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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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