Biotin and derivatives
Medchemexpress LLC Ibrutinib-biotin | 1599432-18-4 | MFCD30496724 | 99.7% | 1097.37 | C56H80N12O9S | 25 MG
Ibrutinib-biotin is a biotinylated probe in which the BTK inhibitor ibrutinib is linked to biotin via a long-chain linker (derived from patent WO2014059368A1 Compound 1-5). It is intended for research use to study Bruton's tyrosine kinase (BTK) binding, target engagement, and affinity-based assays.
- Biotinylated probe for affinity capture and target engagement studies.
- High potency against BTK with IC50 of 0.755-1.02 nM.
- High purity (99.66%) suitable for biochemical and cellular assays.
- Available in small quantities for assay development (25 mg).
- Includes downloadable datasheet, COA, and SDS for experimental reproducibility.
Medchemexpress LLC L-biotin (unnatural enantiomer of biotin) | 21788-37-4 | MFCD22373639 | 99.5% | 244.31 g·mol⁻¹ | C10H16N2O3S | 1 ML
L-biotin is the unnatural enantiomer of biotin supplied as a research reagent. It binds streptavidin in vitro and is provided as a ready-to-use 10 mM solution in DMSO (1 mL) or as solid powder in multiple pack sizes. Recommended storage conditions are -20°C for powder, and -80°C for stock solutions (up to 6 months).
- Unnatural enantiomer of biotin
- Binds streptavidin in vitro
- Available as 10 mM DMSO solution or solid powder
- High purity (>99%)
- Soluble in DMSO at high concentration
- Powder storage: -20°C; stock solution storage: -80°C (6 months)
Medchemexpress LLC DBCO-NHS ester 2 100mg | 1384870-47-6 | 100 MG
DBCO-C6-NHS ester is a DBCO-derived N-hydroxysuccinimide (NHS) ester used to introduce a DBCO handle onto amine-containing molecules for copper-free, strain-promoted alkyne-azide cycloaddition (SPAAC) bioconjugation and antibody-drug conjugate (ADC) linker synthesis.
- Amine-reactive NHS ester for covalent coupling to primary and secondary amines.
- Facilitates copper-free SPAAC click chemistry with azide-functionalized partners.
- Suitable for bioconjugation, ADC synthesis, and labeling of proteins or small molecules.
- Available in multiple sizes; typical laboratory scale is 100 mg.
- Soluble in DMSO (~14.29 mg/mL); store powder at -20°C for long-term stability.
eMolecules 2280998-74-3 | Medchem Express | m-PEG11-acid | 50mg | 721309591 | HY-140501 | MFCD27977512 | 544.635 | C24H48O13
Ambeed | 2-(4-Carbamimidoylphenyl)acetic acid hydrochloride | 100mg | 490510431 | A142490 | 52798-09-1 | MFCD11505975 | 214.650 | C9H11ClN2O2
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TARGETMOL CHEMICALS INC Biotin-azide 5MG
Also available in 1 mL, 2 mg, 10 mg, 25 mg, 50 mg, 100 mg, 500 mg and bulk. Please contact Fisher for quotes. Biotin-azide (N-(3-Azidopropyl)biotinamide) is used for preparing various biotin affixes and identifying proteins. Purity 99.69%
Medchemexpress LLC Pomalidomide-C3-NHS ester | 2828476-87-3 | >98.7% | 456.41 | 100 MG
Pomalidomide-C3-NHS ester is a synthesized E3 ligase ligand-linker conjugate, incorporating the Pomalidomide based cereblon ligand and NHS ester linker. It is for research use only and not sold to patients.
- Synthesized E3 ligase ligand-linker conjugate
- Incorporates Pomalidomide-based cereblon ligand and NHS ester linker
- Targets cereblon
Medchemexpress LLC L-biotin | 21788-37-4 | 99.7% | 244.31 g/mol | C10H16N2O3S | 50 MG
L-biotin is the unnatural enantiomer of biotin supplied as a high-purity research reagent for laboratory use (not for human or clinical applications).
- High purity (reported 99.5-99.7%).
- Cas number 21788-37-4.
- Molecular weight 244.31 g/mol.
- Chemical formula C10H16N2O3S.
- Available in small milligram quantities such as 50 MG.
=O)C(=O)Oc1ccc(cc1)[N+]([O-])=O | 1g | 526508582](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502179406.JPG-250.jpg)
eMolecules 104199-82-8 | BOC-D-ASN-ONP | AstaTech | MFCD00065559 | 353.331 | C15H19N3O7 | 97.000 | CC(C)(C)OC(=O)N[C@H](CC(N)=O)C(=O)Oc1ccc(cc1)[N+]([O-])=O | 1g | 526508582
BOC-D-ASN-ONP | AstaTech | 104199-82-8 | MFCD00065559 | 353.331 | C15H19N3O7 | 97.000 | CC(C)(C)OC(=O)N[C@H](CC(N)=O)C(=O)Oc1ccc(cc1)[N+]([O-])=O | 1g | 526508582
Medchemexpress LLC NHS-SS-Ac | 2750799-11-0 | 95.0% | 337.37 | 25 MG
NHS-SS-Ac is an amine-reactive product synthesized from acetic acid. It is intended for research use only.
- Amine-reactive product
- Purity of 95.0%
- Colorless to light yellow oil
- Recommended storage for pure form: -20°C for 3 years or 4°C for 2 years
- Soluble in DMSO (50 mg/mL)
Medchemexpress LLC Pentanediamide, N1-[4-[[4-[(3R)-3-[4-amino-3-(4-phenoxyphenyl)-1H-pyrazolo... | 1599432-18-4 | MFCD30496724 | 99.7% | 1097.37 g/mol | C56H80N12O9S | 50 MG
Ibrutinib-biotin is a biotin-conjugated chemical probe derived from the BTK inhibitor ibrutinib. It features ibrutinib linked to biotin via a long-chain linker and is designed for target engagement, affinity pull-downs, and assay development directed at Bruton's tyrosine kinase (BTK).
- Biotin-conjugated probe for affinity capture and pull-down assays.
- Derived from a BTK inhibitor for target-specific engagement.
- Low-nanomolar potency against BTK (IC50 0.755-1.02 nM).
- High purity suitable for research applications (>99.6%).
- Available as solid material and as a 10 mM solution in DMSO.
- Molecular weight approximately 1,097.37 g/mol.