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Merck
CN

1.07192

Pepsin

(from porcine gastric mucosa) cryst. lyophilized 10 FIP-U/mg for biochemistry EC 3.4.23.1

Synonym(s):

Pepsin

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About This Item

CAS Number:
9001-75-6
Molecular Weight:
35000
UNSPSC Code:
12352204
EC Index Number:
232-629-3
NACRES:
NA.21
MDL number:
MFCD00081840

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Product Name

Pepsin, (from porcine gastric mucosa) cryst. lyophilized 10 FIP-U/mg for biochemistry EC 3.4.23.1

biological source

Porcine gastric mucosa

pH

4.0-5.0 (20 °C, 10 g/L in H2O)

solubility

10 g/L

bulk density

380‑420 kg/m3

storage temp.

2-30°C

Quality Level

100

General description

Protease
Pepsin is a member of the small family of closely related aspartic proteinase enzymes. Pepsin hydrolyzes proteins and petides, including those with bonds adjacent to aromatic or dicarboxylic L-amino acid residues; preferential cleavage: Phe- and Leu-.
(from porcine gastric mucosa) cryst. lyophilized 10 FIP-U/mg for biochemistry EC 3.4.23.1

Analysis Note

Appearance (description)fine-crystalline powderAppearance (color)almost whiteActivity (Hemoglobin; pH 1.6; 25 °C)≥ 10 FIP-U/mgpH-value (1 %; water)3.5 - 4.5Water (according to Karl Fischer)≤ 8 %Microbiological testpasses testColony count (aerobic bacteria)≤ 10000 CFU/gColony count (Yeasts and moulds)≤ 500 CFU/gSalmonella speciesabsent in 1 gE.coliabsent in 1 g

Application

Pepsin (from porcine gastric mucosa) cryst. lyophilized 10 FIP-U/mg for biochemistry EC 3.4.23.1. CAS 9001-75-6, pH 4.0 - 5.0 (10 g/l, H₂O, 20 °C), molar mass 35000 g/mol.

pictograms

Exclamation markHealth hazard
GHS07,GHS08

signalword

Danger

Hazard Classifications

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

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

Certificates of Analysis (COA)

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