Organolithium
Strem, An Ascensus Company CAS# 18115-70-3. 50g. Lithium acetylacetonate, 98+%. MFCD00013496
CAS# 18115-70-3. 50g. Lithium acetylacetonate, 98+%. MFCD00013496. Molecular Weight: 106.05. Molecular Formula: LiCH3C(O)CHC(O)CH3. Color/form: white pwdr. Strem# 93-0361. http://www.strem.com/catalog/v/93-0361/
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.
![Sigma Aldrich 2-Ethoxy-3-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-pyridine](https://assets.fishersci.com/TFS-Assets/CCG/Sigma-Aldrich/product-images/e6f9b5fe-6902-43e7-ad13-0b2ce15557ea.jpg-250.jpg)
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.
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.
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.
Medchemexpress LLC Methyl 3-((tert-butoxycarbonyl)amino)-5-iodothiophene-2-carboxylate | 1007171-35-8 | 99.7% | 383.20 | 5 G
Methyl 3-((tert-butoxycarbonyl)amino)-5-iodothiophene-2-carboxylate is a drug intermediate for synthesis of various active compounds.
- High purity: 99.7%
- Molecular weight: 383.20
- CAS number: 1007171-35-8
- Appearance: Solid
- Color: Off-white to yellow
- Chemical formula: C11H14INO4S
Medchemexpress LLC Methyl 2,3-O-Isopropylidene-β-L-ribofuranoside | 20672-63-3 | 97.1% | 204.22 | 1 ML
Methyl 2,3-O-Isopropylidene-β-L-ribofuranoside is an enantiomer of Methyl 2,3-O-Isopropylidene-β-D-ribofuranoside and a derivative of L-ribose. It is intended for research use only.
- Purity of 97.10%
- Molecular weight of 204.22
- Chemical formula C9H16O5
- CAS number 20672-63-3
- Appearance as a colorless to light yellow liquid
- In vitro solubility of 100 mg/mL in DMSO
- Recommended storage at 4°C, protected from light, and under nitrogen
Medchemexpress LLC N-Fmoc-4-(tert-butoxycarbonylmethoxy)-L-phenylalanine | 181951-92-8 | >=98.0% | 517.57 | C30H31NO7 | 5 G
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.
Medchemexpress LLC 1,2:3,5-di-O-isopropylidene-alpha-D-xylofuranose | 20881-04-3 | MFCD03002332 | 98.9% | 230.26 g/mol | C11H18O5 | 1 G
1,2:3,5-Di-O-isopropylidene-α-D-xylofuranose is a protected sugar derivative used as an intermediate and reagent in organic synthesis and carbohydrate chemistry. It is supplied as a white to off-white solid suitable for laboratory research and synthesis applications.
- Useful building block in carbohydrate and nucleoside synthesis.
- Acetal protection (isopropylidene) improves stability and chemoselectivity.
- High purity (98.9%) for reliable reaction performance.
- White to off-white solid, easy to handle and store.
- Molecular formula C11H18O5; CAS number 20881-04-3.
- Available in small research pack sizes, e.g. 1 g.
Medchemexpress LLC Methyl N-(tert-butoxycarbonyl)-O-methyl-L-serinate | 134167-07-0 | MFCD18837831 | 97.0% | 233.26 g/mol | C10H19NO5 | 250 MG
Methyl N-(tert-butoxycarbonyl)-O-methyl-L-serinate is a Boc-protected, O-methylated methyl ester of L-serine used as a research reagent and synthetic intermediate in organic and peptide synthesis.
- Purity 97.0%.
- Molecular weight 233.26 g/mol.
- Chemical formula C10H19NO5.
- Cas number 134167-07-0.
- Available sizes 250 mg, 500 mg, 1 g, 5 g, 10 g, 25 g.
- Storage pure form: -20°C (up to 3 years) or 4°C (up to 2 years).
- Certificate of analysis and safety data sheet available.
Medchemexpress LLC (S)-2-(2-((tert-butoxycarbonyl)amino)propanamido)acetic acid | 28782-78-7 | MFCD00235759 | 97.0% | 246.26 g/mol | C10H18N2O5 | 5 G
(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.