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Biotin and derivatives

Organic heterocyclic compounds and derivatives that consist of a ureido ring and a tetrahydrothiophene ring; ureido contains the radical: NH2CONH−, and tetrahydrothiophene is a five-membered ring consisting of four carbon atoms and a sulfur atom.
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Search Within Results
Keyword Search:
481 – 495 of 1,254 results
481

eMolecules​ 1353016-71-3 | DBCO-NHS ester | Knight Chemicals, Inc. | MFCD24386367 | 402.406 | C23H18N2O5 | 99.000 | O=C(CCC(=O)N1Cc2ccccc2C#Cc2ccccc12)ON1C(=O)CCC1=O | 5g | 894265339

DBCO-NHS ester | Knight Chemicals, Inc. | 1353016-71-3 | MFCD24386367 | 402.406 | C23H18N2O5 | 99.000 | O=C(CCC(=O)N1Cc2ccccc2C#Cc2ccccc12)ON1C(=O)CCC1=O | 5g | 894265339

ENCOMPASS_PREFERRED
482

eMolecules​ 1353016-71-3 | DBCO-NHS ester | Knight Chemicals, Inc. | MFCD24386367 | 402.406 | C23H18N2O5 | 99.000 | O=C(CCC(=O)N1Cc2ccccc2C#Cc2ccccc12)ON1C(=O)CCC1=O | 1g | 894265338

DBCO-NHS ester | Knight Chemicals, Inc. | 1353016-71-3 | MFCD24386367 | 402.406 | C23H18N2O5 | 99.000 | O=C(CCC(=O)N1Cc2ccccc2C#Cc2ccccc12)ON1C(=O)CCC1=O | 1g | 894265338

ENCOMPASS_PREFERRED
483

eMolecules​ 1204834-00-3 | Azido-peg8-nhs ester | Combi-Blocks | MFCD13184949 | 564.589 | C23H40N4O12 | 95.000 | [N-]=[N+]=NCCOCCOCCOCCOCCOCCOCCOCCOCCC(=O)ON1C(=O)CCC1=O | 250mg | 335375127

Azido-peg8-nhs ester | Combi-Blocks | 1204834-00-3 | MFCD13184949 | 564.589 | C23H40N4O12 | 95.000 | [N-]=[N+]=NCCOCCOCCOCCOCCOCCOCCOCCOCCC(=O)ON1C(=O)CCC1=O | 250mg | 335375127

ENCOMPASS_PREFERRED
484

eMolecules​ Hydroxy-PEG11-t-butyl ester | BroadpharmMFCD29049421 | 630.769 | C29H58O14 | 98.000 | CC(C)(C)OC(=O)CCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCO | 1g | 490840967

Hydroxy-PEG11-t-butyl ester | BroadpharmMFCD29049421 | 630.769 | C29H58O14 | 98.000 | CC(C)(C)OC(=O)CCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCO | 1g | 490840967

ENCOMPASS_PREFERRED
485

Medchemexpress LLC Biotin-PEG5-NHS ester | 98.0% | 632.72 | 50 MG
SDP

Biotin-PEG5-NHS ester | 98.0% | 632.72 | 50 MG

ENCOMPASS_PREFERRED
486

Medchemexpress LLC 2,5-dioxopyrrolidin-1-yl 3-((2-(((((1R,8S,9S)-bicyclo[6.1.0]non-4-yn-9-yl)methoxy)carbonyl)amino)... | 95.0% | 454.56 g/mol | C20H26N2O6S2 | 10 MG
SDP

BCN-SS-NHS is a cleavable linker reagent containing an NHS ester and a strained bicyclo[6.1.0]nonyne (BCN) moiety. It is used for strain-promoted alkyne-azide cycloaddition (SPAAC) click chemistry and to introduce a cleavable disulfide-containing linker arm in bioconjugation and antibody-drug conjugate synthesis.

  • Used for SPAAC click chemistry
  • Contains an NHS ester for efficient amine coupling
  • Includes a disulfide-cleavable linker for intracellular release
  • Suitable for antibody-drug conjugate and bioconjugation workflows
  • Available in small-scale research quantities

ENCOMPASS_PREFERRED
487

Medchemexpress LLC GFRAL Human Biotin 50ug | 50ug
SDP

The GFRAL protein is a brainstem-restricted receptor for GDF15 that regulates food intake energy expenditure and body weight in response to metabolic and toxin-induced stress GFRAL binds to its ligand GDF15 interacts with RET and activates the MAPK and AKT signaling pathways GFRAL Protein Human (Biotinylated HEK293 His-Avi) is the recombinant human-derived GFRAL protein expressed by HEK293 with C-Avi C-His labeled tag

ENCOMPASS_PREFERRED
488

Medchemexpress LLC Bis-PEG25-NHS ester | 2221948-96-3 | 99.8% | 1413.55 g/mol | C62H112N2O33 | 250 MG
SDP

Bis-PEG25-NHS ester is a homobifunctional polyethylene glycol (PEG) linker bearing two N-hydroxysuccinimide (NHS) ester groups, used for amine-directed bioconjugation in PROTAC and ADC synthesis. It provides a hydrophilic spacer to improve solubility and facilitates cleavable linker chemistry.

  • High purity (99.8%).
  • Homobifunctional PEG linker with two NHS ester groups.
  • Molecular weight 1413.55 g/mol and formula C62H112N2O33.
  • Suitable for PROTAC and ADC linker chemistry and general amine-directed conjugation.
  • Available in multiple pack sizes including 25 mg, 50 mg, 100 mg, 250 mg, 500 mg, and 1 g.
  • Store sealed, away from moisture at -20°C; in solvent store at -80°C (up to 6 months) or -20°C (up to 1 month).

ENCOMPASS_PREFERRED
489

Medchemexpress LLC 5,8,11,14,17-Pentaoxa-2-azaeicosanedioic acid, 1-(1,1-dimethylethyl) 20-(2,5-dioxo-1-pyrrolidinyl) ester | 2055040-78-1 | 96.9% | 506.54 | 250 MG
SDP

Boc-N-PEG5-C2-NHS ester is a PEG-based PROTAC linker. It can be used in the synthesis of PROTACs, which exploit the intracellular ubiquitin-proteasome system to selectively degrade target proteins.

  • PEG-based PROTAC linker
  • Used in the synthesis of PROTACs
  • Exploits the intracellular ubiquitin-proteasome system
  • Selectively degrades target proteins

ENCOMPASS_PREFERRED
490

Medchemexpress LLC Succinimidyl 6-[3-(2-pyridyldithio)propionamido]hexanoate | 158913-22-5 | MFCD00083163 | 98.1% | 425.52 | C18H23N3O5S2 | 100MG
SDP

SPDP-C6-NHS ester is a heterobifunctional alkyl/ether-based linker bearing an N-hydroxysuccinimide (NHS) ester and a pyridyldithiol moiety, designed for bioconjugation and assembly of bifunctional molecules such as PROTACs. The NHS ester enables amine coupling to form stable amide bonds, while the pyridyldithiol group allows disulfide formation with thiols, providing modular chemistry for linking ligands, payloads, or proteins.

ENCOMPASS_PREFERRED
491

eMolecules​ 1738-86-9 | Z-Gly-ONp | Combi-Blocks | MFCD00024663 | 330.296 | C16H14N2O6 | 97.000 | [O-][N+](=O)c1ccc(OC(=O)CNC(=O)OCc2ccccc2)cc1 | 1g | 335350486

Z-Gly-ONp | Combi-Blocks | 1738-86-9 | MFCD00024663 | 330.296 | C16H14N2O6 | 97.000 | [O-][N+](=O)c1ccc(OC(=O)CNC(=O)OCc2ccccc2)cc1 | 1g | 335350486

ENCOMPASS_PREFERRED
492

Medchemexpress LLC Alexa fluor 647 NHS ester | 1620475-28-6 | 95.0% | 942.06 | 5 MG
SDP

Alexa fluor 647 NHS ester can be used to label Alexa fluor 647 to the primary amines (R-NH2) of proteins, amine-modified oligonucleotides, and other amine-containing molecules. It is for research use only and not sold to patients.

  • Used to label primary amines
  • Suitable for proteins, amine-modified oligonucleotides, and other amine-containing molecules
  • For research use only

ENCOMPASS_PREFERRED
493

Medchemexpress LLC Cyanine5.5 NHS ester (tetrafluoroborate) | 2375105-86-3 | 767.66 | 5 MG
SDP

Cyanine5.5 NHS ester tetrafluoroborate is a member of the cyanine dye series, serving as a common fluorescent marker for biomolecules. It can interact with biomolecules and may bind to double-helical DNA through intercalation, exhibiting enhanced fluorescence upon binding.

  • Common fluorescent marker for biomolecules.
  • Interacts with biomolecules.
  • Binds to double-helical DNA through intercalation, exhibiting enhanced fluorescence.

ENCOMPASS_PREFERRED
494

Medchemexpress LLC Pomalidomide-C3-NHS ester | 2828476-87-3 | >98.7% | 456.41 | 100 MG
SDP

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

ENCOMPASS_PREFERRED
495

Medchemexpress LLC DBCO-PEG3-NHS | 2249926-63-2 | 98.0% | 591.61 | 50 MG
SDP

DBCO-PEG3-NHS is a biochemical assay reagent designed for the chemical modification of proteins and antibodies with an alkynyl (DBCO) or N-hydroxysuccinimide (NHS) ester group. It serves as a linker in PROTAC synthesis, drug delivery, and the development of biosensors and diagnostic reagents.

  • Used for chemical modification of proteins and antibodies with alkynyl (DBCO) or N-hydroxysuccinimide (NHS) ester groups.
  • Can be utilized as a linker in PROTAC synthesis.
  • Applicable for drug delivery.
  • Useful in the development of biosensors.
  • Aids in the development of diagnostic reagents.

ENCOMPASS_PREFERRED