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Quaternary ammonium salts

Ammonium salts in which a nitrogen atom (with a +1 formal charge) has four carbon-nitrogen single bonds; this nitrogen could be bonded to four functional groups containing carbon.
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Molecular Weight (g/mol) 
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Percent Purity 
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Molecular Weight (g/mol)

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Physical Form

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Product Line

  • (11)
676 – 690 of 1,130 results
676

Pfaltz & Bauer Tetrabutylammonium bromide 99% 100G | 1643-19-2

Tetrabutylammonium bromide 99% 100G | 1643-19-2

ENCOMPASS
677

eMolecules​ Combi-Blocks Tetrabutylammonium chloride 1kg 335343625 OS-7710 97 000 1112-67-0 MFCD00011635 277 920 C16H36ClN

Combi-Blocks Tetrabutylammonium chloride 1kg 335343625 OS-7710 97 000 1112-67-0 MFCD00011635 277 920 C16H36ClN

ENCOMPASS_PREFERRED
678

Sigma Aldrich Fine Chemicals Biosciences Butyryl-L-carnitine >=97.0% (TLC) | 25576-40-3 | MFCD01674827 | 10MG

Butyryl-L-carnitine >=97.0% (TLC) | Purity: >=97.0% (TLC) | Mol Wt: 231.29 | 25576-40-3 | MFCD01674827 | 10MG

ENCOMPASS
679

eMolecules​ TETRABUTYLAMMONIUM HYDROG 500G

5000164015 TETRABUTYLAMMONIUM HYDROG 500G

ENCOMPASS_PREFERRED
680

Medchemexpress LLC MEDCHEMEXPRESS LLC
SDP

5000445693 TETRABUTYLAMMONIUM 1G

ENCOMPASS_PREFERRED
681

Medchemexpress LLC MEDCHEMEXPRESS LLC

5000451778 TETRAPROPYLAMMONIUM 25G

ENCOMPASS
682

Medchemexpress LLC MEDCHEMEXPRESS LLC

5000451780 TETRAETHYLAMMONIUM P 25G

ENCOMPASS
683

Medchemexpress LLC MEDCHEMEXPRESS LLC

5000435735 ISOBUTYRYL-L-CARNITI 10MG

ENCOMPASS
684

Aqua Solutions TETRABUTYLAMMONIUM HYDROXIDE
SDP

NC2060233 TETRABUTYLAMMONIUM HYDROXIDE

ENCOMPASS_PREFERRED
685

eMolecules​ AstaTech / 2-CHLORO-1122-TETRAFLUORO-ETHANESULFONYL CHLORIDE / 0.25g / 268488963 / 36671 / 95.000 / 89740-40-9 / MFCD09746182 / 234.970 / C2Cl2F4O2S

AstaTech / 2-CHLORO-1122-TETRAFLUORO-ETHANESULFONYL CHLORIDE / 0.25g / 268488963 / 36671 / 95.000 / 89740-40-9 / MFCD09746182 / 234.970 / C2Cl2F4O2S

ENCOMPASS_PREFERRED
686

Medchemexpress LLC MEDCHEMEXPRESS LLC

5000451012 L-CARNITINE STANDAR 25MG

ENCOMPASS_PREFERRED
687

Medchemexpress LLC D13-9001 | 957471-96-4 | 99.9% | 693.78 g·mol⁻¹ | C31H39N11O6S | 10MG
SDP

D13-9001 is a small-molecule bacterial efflux pump inhibitor that selectively targets RND-family transporters AcrB and MexB. It binds AcrB and MexB with reported KD values of 1.15 μM and 3.57 μM, respectively, and demonstrates antibiotic activity in vitro. The compound is supplied for research use in multiple pack sizes, including a 10 mg option.

  • Inhibits AcrB and MexB efflux pump subunits.
  • Measured KD values of 1.15 μM (AcrB) and 3.57 μM (MexB).
  • Molecular weight 693.78 g·mol⁻¹ and formula C31H39N11O6S.
  • High purity: 99.85% (typical).
  • Suitable for in vitro antibiotic activity and efflux pump studies.
  • Available in small research pack sizes, including 10 mg.

ENCOMPASS_PREFERRED
688

Apexbio Technology LLC Choline Fenofibrate 50mg
SDP

A3308 is a small molecule designed for biomedical research applications though detailed structural and registry data are currently unavailable Its mechanism of action centers on modulating specific cellular pathways enabling the investigation of signaling events critical to various physiological and pathological processes A3308 s utility is primarily as a research tool to elucidate molecular targets and cellular responses supporting studies in signal transduction pathway characterization and potential therapeutic target identification

ENCOMPASS_PREFERRED
689

eMolecules​ TETRABUTYLAMMONIUM HYDROX 100G

5000164628 TETRABUTYLAMMONIUM HYDROX 100G

ENCOMPASS_PREFERRED
690

Cayman Chemical trns-VaccenIc AcId-d13 25mg
SDP

An internal standard for the quantification of trans-vaccenic acid by GC- or LC-MS

ENCOMPASS_PREFERRED