Skip to Content
Merck
All Photos(1)

Key Documents

5125-50GM-M

Sigma-Aldrich

Papain, Carica papaya

Synonym(s):

Papain, Carica papaya

Sign Into View Organizational & Contract Pricing


About This Item

CAS Number:
Enzyme Commission number:
MDL number:
UNSPSC Code:
12352204

form

solid

Quality Level

specific activity

>30,000 USP units/mg

manufacturer/tradename

Calbiochem®

storage condition

OK to freeze

pI 

8.75

solubility

aqueous buffer: 1 mg/mL

storage temp.

2-8°C

General description

Native papain from Carica papaya. A cysteine protease that hydrolyzes peptides, amides and esters, especially at bonds involving basic amino acids, glycine or leucine. Inhibitors include leupeptin (Cat. No. 108975) and PMSF (Cat. No. 52332).
Native papain from Carica papaya. A cysteine protease that hydrolyzes peptides, amides and esters, especially at bonds involving basic amino acids, glycine or leucine. Inhibitors include leupeptin and PMSF. Has an optimal pH of 6.0-7.0 and a pI of 8.75.

Warning

Toxicity: Harmful (C)

Unit Definition

1 MCU (milk clotting unit) = 9 HDU (hemoglobin digestion units) = 6 GU (gelatin units) = 30 USP units

Reconstitution

Following reconstitution, aliquot and freeze (-20°C). Stock solutions are stable for up to 2 months at -20°C.

Legal Information

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany

Pictograms

Exclamation markHealth hazard

Signal Word

Danger

Hazard Statements

Hazard Classifications

Eye Irrit. 2 - Resp. Sens. 1 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service