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Filtered Search Results
Sigma Aldrich 2-Ethoxy-3-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-pyridine
MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.
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| CAS | 848243-23-2 |
|---|
Sigma Aldrich 3-(1,3-Thiazol-4-yl)aniline
MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.
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| CAS | 134812-28-5 |
|---|
Sigma Aldrich Hexyllithium Solution
MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.
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| Boiling Point | 69°C |
|---|---|
| Linear Formula | CH3(CH2)5Li |
| CAS | 21369-64-2 |
| Biological Activity | Central Nervous System, Nervous System |
| Molecular Weight (g/mol) | 92.11 g/mol |
| MDL Number | MFCD00191446 |
| Health Hazard 1 | UN 3394 4.3(4.2) / PGI |
| Recommended Storage | 2°C to 8°C |
| Molecular Formula | C6H13Li |
| Density | 0.708 g/mL at 25°C |
Sigma Aldrich Tantalum(V) ethoxide
MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.
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| Boiling Point | 155°C (0.01 mmHg) |
|---|---|
| Percent Purity | 99.98% trace metals basis |
| Linear Formula | Ta(OC2H5)5 |
| CAS | 6074-84-6 |
| Molecular Weight (g/mol) | 406.25 |
| MDL Number | MFCD00049785 |
| Refractive Index | n20/D 1.487 (literature) |
| Synonym | Pentaethoxytantalum; Pentaethyl tantalate; Tantalum ethylate; Tantalum pentaethoxide; Tantalum(V) ethoxide |
| Recommended Storage | Room Temperature |
| Molecular Formula | C10H25O5Ta |
| Density | 1.566 g/mL (at 25°C) |
| Melting Point | 21°C |
Sigma Aldrich Lithium Bis(trifluoromethanesulfonyl)imide Anhydrous 99.99% Trace Metals Basis
MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.
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| Recommended Storage | Room Temperature |
|---|
Sigma Aldrich Methyl 3,5-dimethoxybenzoate
MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.
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| CAS | 2150-37-0 |
|---|
Sigma Organic Chemistry n-Butyllithium solution | KL | 109-72-8 | MFCD00009414 |
n-Butyllithium solution | KL | 109-72-8 | MFCD00009414 |
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Medchemexpress LLC 1,2:3,5-di-O-isopropylidene-α-D-xylofuranose | 20881-04-3 | MFCD00063224 | 98.9% | 230.26 g/mol | C11H18O5 | 5 G
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1,2:3,5-Di-O-isopropylidene-α-D-xylofuranose is an isopropylidene-protected derivative of α-D-xylofuranose supplied as a white to off-white solid. It is used as a protected sugar intermediate and building block in organic synthesis and carbohydrate chemistry, suitable for laboratory research and small-scale synthesis.
- Protected sugar intermediate for synthetic chemistry.
- High purity (approx. 98.9%) suitable for research applications.
- White to off-white solid for convenient handling and storage.
- Compatible with common carbohydrate modification and derivatization reactions.
- Available in typical laboratory pack sizes for small-scale use.
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Medchemexpress LLC 1,2:3,4-di-O-isopropylidene-α-D-galactopyranose | 4064-06-6 | MFCD00063225 | 97.0% | 260.28 g·mol⁻¹ | C12H20O6 | 5 G
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1,2:3,4-di-O-isopropylidene-α-D-galactopyranose is an isopropylidene-protected derivative of D-galactopyranose used as an intermediate and reagent in carbohydrate synthesis and organic chemistry. It protects vicinal hydroxyl groups to enable selective transformations, and is used in oligosaccharide synthesis, glycosylation studies, and other carbohydrate-based research.
- Provides isopropylidene protection of vicinal diols enabling selective reactions.
- Suitable as a synthetic intermediate for carbohydrate chemistry.
- Supplied at laboratory research purity for reproducible results (97.0%).
- Well-defined molecular formula and molecular weight for characterization.
- Manufacturer documents include datasheet, certificate of analysis, and safety data sheet.
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Medchemexpress LLC (S)-2-(2-((tert-butoxycarbonyl)amino)propanamido)acetic acid | 28782-78-7 | MFCD00235759 | 97.0% | 246.26 g/mol | C10H18N2O5 | 5 G
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(S)-2-(2-((tert-Butoxycarbonyl)amino)propanamido)acetic acid is a Boc-protected glycine derivative used as a peptide fragment and building block in medicinal chemistry and peptide synthesis. It is supplied as a white to off-white solid with formula C10H18N2O5 and molecular weight 246.26 g/mol; CAS 28782-78-7. Typical applications include incorporation into peptides, synthetic modification, and structure-activity studies.
- Boc-protected amino acid derivative for incorporation into peptides.
- High purity suitable for research use (97.0%).
- Solid, white to off-white form for straightforward handling.
- Stable under recommended storage conditions to preserve integrity.
- Useful as a building block in medicinal chemistry and peptide synthesis.
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Medchemexpress LLC N-Fmoc-4-(tert-butoxycarbonylmethoxy)-L-phenylalanine | 181951-92-8 | >=98.0% | 517.57 | C30H31NO7 | 5 G
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N-Fmoc-4-(tert-butoxycarbonylmethoxy)-L-phenylalanine is an Fmoc-protected phenylalanine derivative used as a building block in peptide synthesis and related organic chemistry applications.
- Purity ≥98.0% (NMR).
- Molecular weight 517.57 g/mol.
- Molecular formula C30H31NO7.
- Appearance: powder.
- Storage: powder -20°C for up to 3 years or 4°C for up to 2 years; in solvent -80°C for up to 6 months or -20°C for up to 1 month.
- CAS number 181951-92-8.
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Medchemexpress LLC 1,2:3,4-di-O-isopropylidene-α-D-galactopyranose | 4064-06-6 | MFCD00063225 | 97.0% | 260.28 g/mol | C12H20O6 | 100 G
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1,2:3,4-Di-O-isopropylidene-α-D-galactopyranose is a protected D-galactopyranose derivative (diacetonide) used as a carbohydrate building block and biochemical reagent. The acetal-protected sugar acts as a stable intermediate for selective transformations and glycoconjugate assembly in research and synthetic workflows.
- Protected sugar acetal suitable for selective functionalization.
- Used as a synthetic intermediate in carbohydrate chemistry.
- Compatible with common organic reaction and deprotection conditions.
- Provided with analytical data for quality verification.
- Available in multiple pack sizes for research applications.
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Medchemexpress LLC 2-(bis(2-(tert-butoxy)-2-oxoethyl)amino)acetic acid | 171557-31-6 | 97.0% | 303.35 g/mol | C14H25NO6 | 5 G
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2-(bis(2-(tert-butoxy)-2-oxoethyl)amino)acetic acid is a tert-butoxy-protected glycine derivative supplied as a solid reagent for research and analytical applications. It is commonly used as an intermediate in peptide synthesis and organic chemistry.
- Chemical formula C14H25NO6.
- Molecular weight 303.35 g/mol.
- Purity 97.0%.
- Physical form solid (powder).
- Available sizes 1 g, 5 g, 10 g, 50 g (quote).
- Storage powder: -20 °C (3 years) or 4 °C (2 years); in solvent: -80 °C (6 months) or -20 °C (1 month).
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Medchemexpress LLC 1,2:3,4-di-O-isopropylidene-α-D-galactopyranose | 4064-06-6 | MFCD00063225 | 97.0% | 260.28 g·mol⁻¹ | C12H20O6 | 25 G
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1,2:3,4-Di-O-isopropylidene-α-D-galactopyranose is an organic reagent used to provide a protected form of D-galactopyranose for carbohydrate chemistry and multi-step synthesis. It is supplied in a high-purity form suitable for research applications and as an intermediate in synthetic workflows.
- Provides isopropylidene protection for the 1,2 and 3,4 hydroxyl groups of D-galactopyranose.
- Useful intermediate in synthesis of carbohydrates and glycosylation studies.
- High purity suitable for research-grade synthetic applications.
- Supplied as a colorless to light yellow liquid with reported density 1.143 g·cm⁻3.
- Available in multiple pack sizes for laboratory and bulk use.
- Compatible with standard protecting group and deprotection protocols.
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Medchemexpress LLC 1,2:3,4-di-O-isopropylidene-α-D-galactopyranose | 4064-06-6 | MFCD00063225 | 97.0% | 260.28 g/mol | C12H20O6 | 50 G
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1,2:3,4-Di-O-isopropylidene-α-D-galactopyranose is an isopropylidene-protected derivative of D-galactopyranose used as a synthetic building block and reagent in carbohydrate chemistry and glycobiology research. It is employed to protect vicinal diols during multistep syntheses, enabling selective modifications and assembly of oligosaccharides.
- Protects 1,2- and 3,4-hydroxyl groups for selective carbohydrate transformations.
- Useful building block for oligosaccharide synthesis and glycoconjugate preparation.
- Available as a high-purity reagent suitable for analytical and synthetic work.
- Soluble in common organic solvents used in synthetic protocols.
- Facilitates regioselective functionalization of galactose derivatives.
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