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9002-07-7 - Trypsin, Certified Mass Spec Grade - J67522 - Alfa Aesar

J67522 Trypsin, Certified Mass Spec Grade

Trypsin is a serine protease that specifically cleaves peptide bonds at the carboxyl side of arginine and lysine residues. This product is highly purified and suitable for proteomics applications. Trypsin can be used for peptide mapping and protein sequencing applications as it generates a reproducible cleavage pattern with a limited number of fragments. This formulation is TPCK-treated to inhibit chymotryptic acivity.

CAS Number

Size Price ($) Quantity Availability
5x10microg 79.50
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Trypsin, Certified Mass Spec Grade


Chemical Properties

Lyophilized Powder
Soluble in water


Cleaves at the carboxy side of arginine and lysine residues. For use in protein identification and characterization by LC-MS/MS. Also for de novo sequencing of unique proteins and peptide mass fingerprinting by MALDI-MS


TPCK-treated to inhibit chymotryptic activity. Contains enzyme stabilizers

GHS Hazard and Precautionary Statements

Hazard Statements: H315-H319-H334-H335

Causes skin irritation. Causes serious eye irritation. May cause allergy or asthma symptoms or breathing difficulties if inhaled. May cause respiratory irritation.

Precautionary Statements: P284-P261-P280a-P305+P351+P338-P304+P340-P342+P311a-P312a-P405-P403+P233-P501a

Wear respiratory protection. Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves and eye/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. If experiencing respiratory symptoms: Store locked up. Store in a well-ventilated place. Keep container tightly closed. Dispose of contents/container in accordance with local/regional/national/international regulations.

Other References

Harmonized Tariff Code


  • 40193

    Ammonium chloride, ACS, 99.5% min

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