Protein Modification Reagents

Chemical agents used to modify the amino acid side chains of proteins in order to alter their native charges, block or expose reactive binding sites, inactivate functional groups, and change functional groups to create targets for crosslinking and labeling.

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4,921 – 4,935 of 5,658 results

4,921

Sigma Aldrich Fine Chemicals Biosciences Protease from Bacillus licheniformis Type VIII, lyophilized powder, 7-15 units/mg solid | 9014-01-1 | MFCD00132092 | 100MG

Protease from Bacillus licheniformis Type VIII, lyophilized powder, 7-15 units/mg solid | 9014-01-1 | MFCD00132092 | 100MG

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4,922

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 to prevent items from sliding off. It has 18 pegs spaced 1" apart and can hold up to 18 tools, brooms, mops, etc. The pegs are zinc-plated steel and the rack is made of 16 gauge steel. It can be mounted to a wall with screws (not included). This heavy-duty peg rack provides an organized storage solution for garages, workshops, janitorial closets, and other utility areas.

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4,923

Sigma Aldrich Fine Chemicals Biosciences SIGMA ALDRICH FINE CHEMICALS BIOSCIENCES

NC3998613 GUANIDINE HYDROCHLORIDE 25KG

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4,924

eMolecules 1883512-27-3 | endo-BCN-PEG3-amine | Broadpharm368.474 | C19H32N2O5 | 98.000 | NCCOCCOCCOCCNC(=O)OC[C@@H]1[C@@H]2CCC#CCC[C@H]12 | 500mg | 528284354

endo-BCN-PEG3-amine | Broadpharm | 1883512-27-3368.474 | C19H32N2O5 | 98.000 | NCCOCCOCCOCCNC(=O)OC[C@@H]1[C@@H]2CCC#CCC[C@H]12 | 500mg | 528284354

Pricing & Availability

4,925

Purepeg LLC MALEIMIDE-NH-PEG2-CH2CH2COONHS 1L

MALEIMIDE-NH-PEG2-CH2CH2COONHS 1L

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4,926

Medchemexpress LLC DBCO-Cy3 | 1782950-79-1 | MFCD28505574 | 95.1% | 983.18 | C50H54N4O11S3 | 10 MG

DBCO-Cy3 is a DBCO-functionalized Cy3 fluorescent dye designed for copper-free strain-promoted alkyne-azide cycloaddition (SPAAC) labeling of azide-containing biomolecules. It couples a dibenzocyclooctyne reactive group to an orange Cy3 fluorophore (excitation ~555 nm, emission ~580 nm), and is supplied with supporting documentation for analytical and safety data.

Enables copper-free SPAAC labeling of azide-containing biomolecules.
Orange fluorescence with excitation ~555 nm and emission ~580 nm.
Supplied as a 10 MG dry powder, soluble in DMSO.
High purity suitable for imaging applications.
Includes datasheet, COA, and SDS for quality and safety information.

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4,927

eMolecules 1262681-31-1 | BIOTIN-PEG4-ALKYNE | AstaTech | MFCD22380755 | 457.590 | C21H35N3O6S | 95.000 | O=C(CCCC[C@@H]1SC[C@@H]2NC(=O)N[C@H]12)NCCOCCOCCOCCOCC#C | 0.25g | 533789360

BIOTIN-PEG4-ALKYNE | AstaTech | 1262681-31-1 | MFCD22380755 | 457.590 | C21H35N3O6S | 95.000 | O=C(CCCC[C@@H]1SC[C@@H]2NC(=O)N[C@H]12)NCCOCCOCCOCCOCC#C | 0.25g | 533789360

Pricing & Availability

4,928

eMolecules 1334177-86-4 | Mal-amido-PEG8-acid | Broadpharm | MFCD13184956 | 592.639 | C26H44N2O13 | 97.000 | OC(=O)CCOCCOCCOCCOCCOCCOCCOCCOCCNC(=O)CCN1C(=O)C=CC1=O | 1g | 249969293

Mal-amido-PEG8-acid | Broadpharm | 1334177-86-4 | MFCD13184956 | 592.639 | C26H44N2O13 | 97.000 | OC(=O)CCOCCOCCOCCOCCOCCOCCOCCOCCNC(=O)CCN1C(=O)C=CC1=O | 1g | 249969293