Biotin and derivatives
Medchemexpress LLC MeCY5-NHS ester triethylamine | 00-00-0 | 95.3% | C42H56N4O10S2 | 10MG
The triethylamine salt of a Cy5-family N-hydroxysuccinimide (NHS) ester for covalent fluorescent labeling of biomolecules. It reacts with primary amines on proteins, peptides, and oligonucleotides to form stable amide linkages, enabling far-red fluorescence detection in imaging and biochemical assays. The reagent is supplied in research-scale vials for conjugation workflows.
- Reacts with primary amines to form stable amide bonds.
- Suitable for labeling proteins, peptides, and oligonucleotides.
- Cy5-family fluorophore for far-red detection.
- Supplied as a triethylamine salt for handling and solubility.
- Available in small pack sizes for research use.
- Purity 95.3%.
eMolecules 1353016-71-3 | DBCO-NHS ester | ChemScene | MFCD24386367 | 402.406 | C23H18N2O5 | 97.000 | O=C(CCC(=O)N1Cc2ccccc2C#Cc2ccccc12)ON1C(=O)CCC1=O | 1g | 536777541
DBCO-NHS ester | ChemScene | 1353016-71-3 | MFCD24386367 | 402.406 | C23H18N2O5 | 97.000 | O=C(CCC(=O)N1Cc2ccccc2C#Cc2ccccc12)ON1C(=O)CCC1=O | 1g | 536777541
Medchemexpress LLC Biotin-labeled agatolimod sodium | 00-00-0 | 97.2% | 10MG
Biotin-labeled agatolimod sodium is a biotin-conjugated CpG oligodeoxynucleotide sodium salt that functions as a Toll-like receptor 9 (TLR9) agonist for immunology research. Supplied as a white to off-white solid with high reported purity, it is intended for TLR activation assays, biotin-based affinity capture, and detection workflows.
- Biotin tag enables streptavidin-based capture and detection.
- Acts as a TLR9 agonist for immune activation studies.
- High purity suitable for in vitro assays.
- Supplied as a sodium salt solid for stable handling.
- Storage compatible with frozen, sealed, moisture-free conditions.
eMolecules 756525-90-3 | M-PEG8-NHS ESTER | AstaTech | MFCD13184969 | 509.549 | C22H39NO12 | 95.000 | COCCOCCOCCOCCOCCOCCOCCOCCC(=O)ON1C(=O)CCC1=O | 1g | 624137097
M-PEG8-NHS ESTER | AstaTech | 756525-90-3 | MFCD13184969 | 509.549 | C22H39NO12 | 95.000 | COCCOCCOCCOCCOCCOCCOCCOCCC(=O)ON1C(=O)CCC1=O | 1g | 624137097
Medchemexpress LLC PCSK9 Human Biotin 5ug | 5ug
The PCSK9 protein is an important regulator of plasma cholesterol homeostasis affecting LDL receptor family members such as LDLR and VLDLR It promotes their intracellular degradation and enhances hepatic LDLR degradation through non-proteolytic mechanisms PCSK9 Protein Human (Biotinylated HEK293 D374Y His-Avi) is the recombinant human-derived PCSK9 protein expressed by HEK293 with C-Avi C-His labeled tag and D374Y mutation
Medchemexpress LLC Biotin-labeled ODN 1826 sodium | 00-00-0 | 95.9% | 10MG
Biotin-labeled ODN 1826 sodium is a biotin-conjugated class B CpG oligodeoxynucleotide and a Toll-like receptor 9 (TLR9) agonist provided as a solid sodium salt for research use, useful for studying CpG uptake, localization, and TLR9 activation.
Medchemexpress LLC Biotin-ATRA-conjugate | 2226143-93-5 | 98.4% | C36H55N3O4S | 10MG
ATRA-biotin (biotin-ATRA-conjugate) is a biotin-labeled derivative of all-trans retinoic acid used as a tracer and affinity reagent to track ATRA distribution and interactions in biological samples. It supports biotin-streptavidin workflows and is supplied at high purity for research use only.
- Biotin tag enables streptavidin-based detection.
- Suitable for localization studies in cells and tissues.
- Compatible with pull-down and affinity capture assays.
- High purity for reproducible experimental results.
- Available in multiple laboratory-friendly pack sizes.
![eMolecules 1418022-42-0 | Biotin-PEG11-amine | Broadpharm | MFCD21363309 | 770.980 | C34H66N4O13S | 98.000 | NCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCNC(=O)CCCC[C@@H]1SC[C@@H]2NC(=O)N[C@H]12 | 1g | 309209133](https://assets.fishersci.com/TFS-Assets/CCG/product-images/VN00128114-309209133.PNG-250.jpg)
eMolecules 1418022-42-0 | Biotin-PEG11-amine | Broadpharm | MFCD21363309 | 770.980 | C34H66N4O13S | 98.000 | NCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCNC(=O)CCCC[C@@H]1SC[C@@H]2NC(=O)N[C@H]12 | 1g | 309209133
Biotin-PEG11-amine | Broadpharm | 1418022-42-0 | MFCD21363309 | 770.980 | C34H66N4O13S | 98.000 | NCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCNC(=O)CCCC[C@@H]1SC[C@@H]2NC(=O)N[C@H]12 | 1g | 309209133