Protein Modification Reagents
Medchemexpress LLC Bcn-exo-peg3-nh2 | 1841134-72-2 | 99.9% | 368.47 g/mol | C19H32N2O5 | 5 MG
BCN-exo-PEG3-NH2 is a BCN-functionalized PEG3 primary amine linker used in chemical biology and medicinal chemistry for PROTAC synthesis and bioconjugation. The exo isomer presents a strained bicyclo[6.1.0]nonyne (BCN) alkyne that enables rapid strain-promoted azide-alkyne cycloaddition (SPAAC) reactions with azides under mild, copper-free conditions.
- Provides a terminal primary amine for straightforward amide or reductive amination conjugation.
- Contains PEG3 spacer for improved solubility and molecular flexibility.
- Exo-BCN strained alkyne enables copper-free click reactions with azides.
- Molecular weight 368.47 g/mol and formula C19H32N2O5.
- Appearance: liquid; recommended storage under -20 °C in dark, inert conditions.
- Harmful if swallowed; causes skin and eye irritation-handle with appropriate personal protective equipment.
ABclonal Technology SF3B6 Rabbit pAb
This gene encodes a 14 kDa protein subunit of the splicing factor 3b complex. Splicing factor 3b associates with both the U2 and U11/U12 small nuclear ribonucleoprotein complexes (U2 snRNP) of spliceosomes. This 14 kDa protein interacts directly with subunit 1 of the splicing factor 3b complex. This 14 kDa protein also interacts directly with the adenosine that carries out the first transesterification step of splicing at the pre-mRNA branch site.
Broadpharm Methyltetrazine-PEG4-amine HCl salt | 1802908-05-9 | MFCD28334553 | 100mg
Methyltetrazine-PEG4-amine HCl salt | Putity: 95% | MW: 363.4 | 1802908-05-9 | MFCD28334553 | 100mg
Grainger Closed End Peg Rack 19.88 L Blue PK6
The Carlisle Closed End Peg Rack is a 19-7/8" long metal peg rack with closed ends. It has 20 evenly spaced pegs that are 1/2" in diameter and protrude 1-1/4" from the rack. The rack is made from steel with a durable powder coat finish and can hold up to 50 lbs per linear foot. This versatile rack can be used for retail displays, workshops, garages, basements, and more to hang tools, hardware, accessories, apparel and other items with holes or hooks. It comes with mounting hardware for easy installation on walls or pegboards. The closed ends prevent items from sliding off the ends of the rack.
STA PHARMACEUTICAL US LLC Fmoc-NH-PEG4-CH2COOH | 5 g | CAS 437655-95-3 | MDL MFCD26142981
Fmoc-NH-PEG4-CH2COOH is a Amino Acid reagent (Subcategory: PEG AA) sold by WuXi TIDES. Offered in 5 g. Store at 4 °C. SDS available for reference.
Specifications
- CAS: 437655-95-3
- MDL: MFCD26142981
- InChIKey: XPNLDOFYRFOXLR-UHFFFAOYSA-N
- Molecular Weight: 473.522
- Molecular Formula: C25H31NO8
- Purity: ≥95%
- Container Type: 30 mL HDPE
- Pack Size: 5 g
- Net Weight: 5 g
- Gross Weight: 16.5 g
- Commodity Code: 29242970
- Country Of Origin: China
- IUPAC: 1-(9H-fluoren-9-yl)-3-oxo-2,7,10,13,16-pentaoxa-4-azaoctadecan-18-oic acid
- SMILES: O=C(COCCOCCOCCOCCNC(OCC1C2=CC=CC=C2C3=CC=CC=C31)=O)O
Medchemexpress LLC HY-112617A 100mg Medchemexpress, Thalidomide-O-amido-PEG2-C2-NH2 (TFA) CAS:1957235-75-4 Purity:>98%
Medchemexpress, HY-113143A 50mg Galactose 1-phosphate Potassium salt CAS:19046-60-7 Galactose 1-phosphate Potassium salt is is an intermediate in the galactose metabolism and nucleotide sugars. Purity:>98% Medchemexpress has over 10000 novel life-science reagents, reference compounds, APIs and natural compounds for laboratory and scientific use. Other quantity can also be offered.
Medchemexpress LLC Biotin-PEG4-amino-t-Bu-DADPS-C3-alykne | 2241685-22-1 | 95.0% | C42H62N4O9SSi | 10MG
Biotin-PEG4-amino-t-Bu-DADPS-C3-alykne is a PEG-based bioconjugation linker combining a biotin tag, a PEG4 spacer, a primary amino handle, a DADPS cleavable protecting group, and a terminal alkyne for copper-catalyzed azide-alkyne cycloaddition (CuAAC). It is designed for use in PROTAC assembly, affinity capture, and click-chemistry-based labeling workflows.
- Contains a terminal alkyne for CuAAC click chemistry.
- Includes a biotin moiety for affinity capture or detection.
- PEG4 spacer improves solubility and reduces steric hindrance.
- Primary amino handle enables amide coupling to carboxyl-containing partners.
- DADPS group provides acid-cleavable protection for controlled release.
- Stable as a powder when stored cold and protected from light.
Avanti Polar Lipids 1,2-DISTEAROYL-SN-GLYCERO-50MG
1,2-distearoyl-sn-glycero-3-phosphoethanolamine-N-[dibenzocyclooctyl(polyethylene glycol)-2000] (ammonium salt), 50MG
Medchemexpress LLC Biotin-PEG4-alcohol | 1217609-84-1 | 98.0% | C18H33N3O6S | 10MG
Biotin-PEG4-OH is a biotinylated polyethylene glycol linker with a terminal hydroxyl group, designed for use as a flexible spacer and affinity tag in chemical biology and PROTAC synthesis. The PEG4 spacer increases solubility and reduces steric hindrance while enabling conjugation to biomolecules and small-molecule ligands.