Organolithium
Medchemexpress LLC (1R,2S)-1-tert-Butoxycarbonylamino-2-vinylcyclopropanecarboxylic acid | 159622-10-3 | 99.88% | 227.26 | 10 G
(1R,2S)-1-tert-Butoxycarbonylamino-2-vinylcyclopropanecarboxylic acid is a chemical compound suitable for laboratory research. It appears as a white to off-white solid with a high purity of 99.88%. It is used for manufacturing substances and various laboratory applications.
- High purity (99.88%)
- White to off-white solid appearance
- Specific storage conditions for powder (-20°C for 3 years, 4°C for 2 years)
- Specific storage conditions when in solvent (-80°C for 6 months, -20°C for 1 month)
- Identified for laboratory chemicals and substance manufacturing
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 2-(bis(2-(tert-butoxy)-2-oxoethyl)amino)acetic acid | 171557-31-6 | 97.0% | 303.35 g/mol | C14H25NO6 | 5 G
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).
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 N-Fmoc-4-(tert-butoxycarbonylmethoxy)-L-phenylalanine | 181951-92-8 | MFCD07781259 | >98.0% | 517.57 g/mol | C30H31NO7 | 1 G
N-Fmoc-4-(tert-butoxycarbonylmethoxy)-L-phenylalanine is an Fmoc-protected phenylalanine derivative used as a protected amino acid building block for peptide synthesis and chemical research. It features a tert-butoxycarbonyl-protected methoxy substituent at the 4-position of the aromatic ring and is supplied as a solid with formula C30H31NO7 and molecular weight 517.57 g/mol. Typical purity is ≥98.0% and recommended storage is powder: -20°C (up to 3 years) or 4°C (up to 2 years); in solvent: -80°C (up to 6 months) or -20°C (up to 1 month).
- Fmoc-protected amino acid suitable for solid-phase peptide synthesis.
- Boc-protected methoxy group at the 4-position of the aromatic ring.
- Chemical formula C30H31NO7 and molecular weight 517.57 g/mol.
- Purity ≥98.0% by 1H NMR.
- Supplied as a solid; follow recommended powder and solvent storage conditions.
- Intended for research use only.
Medchemexpress LLC Methyl 2,3-O-isopropylidene-β-D-ribofuranoside | 4099-85-8 | 96.0% | 204.22 | 5 G
Methyl 2,3-O-Isopropylidene-β-D-ribofuranoside is a furanose derivative that serves as an important intermediate for the synthesis of compounds such as arsenic-containing ribosides. This high-purity chemical is suitable for various research applications.
- Furanose derivative
- Intermediate for synthesizing arsenic-containing ribosides
- 96.0% purity
- Soluble in DMSO (100 mg/mL)
- Multiple in vivo dissolution protocols provided
- Extensive documentation available
- Cited in scientific publications
- For research use only