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Pyrimidines And Derivatives

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1

Ambeed SODIUM PYRIMIDINE-2SULFINATE 1

NC3855223 SODIUM PYRIMIDINE-2SULFINATE 1

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2

Medchemexpress LLC Methyl Red sodium sa 25g

Methyl Red sodium salt is a biological material or organic compound that can be used in life science research[1][2]

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3

Medchemexpress LLC Methyl Red sodium sa 5g

Methyl Red sodium salt is a biological material or organic compound that can be used in life science research[1][2]

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4

Medchemexpress LLC Salcaprozate sodium 250mg | 203787-91-1 | 250 MG

Salcaprozate (sodium) is the sodium salt form of salcaprozate, an oral absorption promoter used in formulation research to enhance gastrointestinal uptake of macromolecules. It increases passive transcellular permeation and is commonly used in studies of peptide and heparin delivery.

  • Enhances oral absorption of macromolecules by increasing intestinal permeability.
  • Used as an excipient or permeation enhancer in formulation studies.
  • Sodium salt, water-soluble and suitable for in vitro and in vivo research models.
  • Characterized by CAS 203787-91-1 and formula C15H20NNaO4.

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5

Medchemexpress LLC Rosuvastatin Sodium | 147098-18-8 | 503.5 g/mol | 50MG

Rosuvastatin Sodium | 147098-18-8 | 503.5 g/mol | 50MG

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6

Medchemexpress LLC Parecoxib sodium impurity 10 | 198471-06-6 | 97.0% | 356.40 | C18H16N2O4S | 250 MG

Parecoxib sodium impurity 10 is a characterized impurity of parecoxib sodium supplied as a research reference standard for analytical, synthetic, and impurity-identification work. It is provided for research use only and not for human or clinical applications.

  • Used as an analytical reference for impurity profiling and method development.
  • Intended for use as a drug intermediate or impurity characterization standard.
  • Purity: 97.0% (as listed by supplier).
  • Molecular formula C18H16N2O4S; molecular weight 356.40.
  • Available in multiple sizes, including 250 mg, to support R&D and analytical needs.
  • Store under conditions specified in the certificate of analysis to ensure stability.

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7

Medchemexpress LLC Sodium α-ketoisocaproate | 4502-00-5 | MFCD00064193 | 98.0% | 152.12 g/mol | C6H9NaO3 | 250 MG

Sodium α-ketoisocaproate is the sodium salt of α-ketoisocaproic acid, an endogenous metabolite of leucine used in biochemical and metabolic research. It is supplied for in vitro studies exploring metabolic pathways and insulin secretion mechanisms.

  • CAS number: 4502-00-5.
  • Molecular formula: C6H9NaO3.
  • Molecular weight: 152.12 g/mol.
  • Purity: 98.0%.
  • In vitro solubility: H2O 50 mg/mL (328.69 mM); may require ultrasonic assistance.
  • Storage: store at 4°C sealed and dry; in solvent -80°C (6 months) or -20°C (1 month) when sealed.
  • Typical use: metabolic studies, insulin secretion assays, and biochemical research.

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8

eMolecules​ Ambeed / Sodium 2-bromoethanesulphonate / 5g / 525242570 / A862220 / / 4263-52-9 / MFCD00007530 / 211.000 / C2H4BrNaO3S

Ambeed / Sodium 2-bromoethanesulphonate / 5g / 525242570 / A862220 / / 4263-52-9 / MFCD00007530 / 211.000 / C2H4BrNaO3S

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9

Medchemexpress LLC Sodium 2-oxopropanoate-13C | 124052-04-6 | 98.9% | 111.04 g/mol | C2(13C)CH3NaO3 | 250 MG

Sodium 2-oxopropanoate-13C is the 13C-labeled form of sodium pyruvate intended for use as a metabolic tracer and reactive oxygen species (ROS) research reagent. It is supplied as a solid with confirmed isotopic enrichment and HPLC-verified chemical purity; store dry at room temperature, or in solution at -20°C to -80°C for extended storage.

  • 13C isotopic labeling for tracer and quantitation applications.
  • High isotopic enrichment, approximately 99%.
  • High chemical purity, 98.9% by HPLC.
  • Solid, white to off-white appearance for easy handling.
  • Stable storage profile for long-term solutions at low temperatures.
  • For research use only.

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10

Medchemexpress LLC 1,2-dipalmitoyl-sn-glycero-3-phosphoglycerol sodium | 200880-41-7 | 98.0% | 744.95 g/mol | C38H74NaO10P | 250MG

1,2-Dipalmitoyl-sn-glycero-3-phosphoglycerol sodium is a long-chain anionic phospholipid composed of two palmitoyl (16:0) fatty acyl chains on a glycerol backbone with a phosphoglycerol head group. It is commonly used in membrane model systems, liposome formulation, and biophysical studies of phospholipid bilayers due to its defined phase behavior and reproducible properties.

  • High purity (98.0%) suitable for research applications.
  • Anionic phospholipid for liposome and membrane model preparation.
  • Well-defined molecular weight and formula for reproducible experiments.
  • Available in multiple pack sizes for small-scale and bulk studies.
  • Solid, white to off-white appearance for easy handling and formulation.

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11

Medchemexpress LLC 3-methyl-2-oxovaleric acid sodium | 3715-31-9 | MFCD00002584 | 99.6% | 152.12 g/mol | C6H9NaO3 | 250 MG

3-methyl-2-oxovaleric acid sodium is the sodium salt of 3-methyl-2-oxovaleric acid, an endogenous metabolite and degradation product of isoleucine. It is used as a research reagent and reference standard and is reported as a biomarker for mustard airway diseases and uric acid stones.

  • High purity, 99.6%.
  • Molecular formula C6H9NaO3; molecular weight 152.12 g/mol.
  • Solid, white to off-white appearance.
  • Soluble in DMSO at 50 mg/mL; ultrasonic aid recommended.
  • Store sealed, away from moisture; in solution: -80°C (6 months), -20°C (1 month).
  • Used as a reference standard and in studies of α-keto acid metabolism.

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12

Medchemexpress LLC Sodium 6-(4-methylanilino)naphthalene-2-sulfonate | 53313-85-2 | MFCD00171528 | 100.0% | 335.36 g/mol | C17H14NNaO3S | 250 MG

TNS (sodium) is the sodium salt of 6-(p-tolylamino)naphthalene-2-sulfonate, a fluorescent probe used to report on protein conformational changes and to detect hydrophobic microenvironments. Supplied as a high-purity solid powder (CAS 53313-85-2; formula C17H14NNaO3S; MW 335.36 g/mol), it is suitable for biochemical and biophysical assays.

  • Fluorescent probe responsive to hydrophobic environments
  • Sensitive reporter of protein conformational changes
  • High purity for reproducible assay results
  • Solid powder form for straightforward preparation
  • Compatible with common buffers and solvents used in protein studies

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13

Medchemexpress LLC 4-[[4-(dimethylamino)phenyl]azo]benzenesulfonic acid, sodium salt. | 547-58-0 | MFCD00007502 | 99.9% | 327.34 g/mol | C14H14N3NaO3S | 25 G

Methyl Orange is an azo dye supplied as an orange-yellow powder, used as a laboratory reagent and acid-base indicator. It has formula C14H14N3NaO3S, molecular weight 327.34 g/mol, and is provided at high purity for analytical applications.

  • Commonly used as an acid-base indicator in titration and pH testing.
  • Provides a distinct color change in acidic to near-neutral conditions.
  • Available in multiple solid pack sizes, including a 25 g laboratory pack.
  • Stable as a powder with recommended storage at -20°C for long-term or 4°C for short-term storage.
  • Supplied with SDS and COA documentation for quality and safety verification.

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14

Medchemexpress LLC Borate(1-), (cyano-κC)trihydro-d3-, sodium (1:1), (T-4)- | 25895-62-9 | MFCD00003517 | 99.9% | 65.86 g/mol | CD3BNNa | 250mg

Sodium cyanoboronhydride-d3 is the deuterium labeled Sodium cyanoboronhydride[1]

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15

Medchemexpress LLC 4-tert-butylcalix[4]arene-tetraacetic acid tetraethyl ester | 97600-39-0 | MFCD00145373 | >=97.0% | 993.3 g/mol | C60H80O12 | 250 MG

Sodium ionophore X is a calixarene-derived sodium-selective ion carrier used in analytical chemistry and membrane transport research. It is commonly supplied as the tetraethyl ester of 4-tert-butylcalix[4]arene-tetraacetic acid and is employed in ion-selective electrodes and related membrane assays for sodium detection and transport studies.

  • Sodium-selective ion carrier suitable for ion-selective electrodes and membrane studies.
  • Reported purity of ≥97.0% (HPLC) in supplier descriptions.
  • Molecular formula C60H80O12 and molecular weight 993.3 g/mol.
  • Typically provided as the tetraethyl ester derivative for membrane incorporation.

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