For general questions please contact our Customer Service:
Merck KGaA
Frankfurter Str. 250
64293 Darmstadt
Germany
Phone: +49 6151 72-0
Fax: +49 6151 72 2000
31 May 2012
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Crude collagenase preparation that contains higher clostripain and tryptic activity than Type I. Useful in tissue dissociation studies in which a combination of collagenase and high proteolytic activity is required.
| Product information | |||
|---|---|---|---|
| Form | Lyophilized | ||
| Molar mass | 110000 | ||
| Protect from Moisture | Yes | ||
| Unit definition | One unit is defined as the amount of enzyme that will release 1.0 nmol Leu equivalent from collagen per min at 37°C, pH 7.2. | ||
| Activity | ≥200 collagenase units/mg dry weight | ||
| Contaminants | Non-specific proteolytic activity: ≥50 fluorescence units/mg | ||
| pH value | optimum 7.0 - 8.0 | ||
| Solubility | Aqueous Buffers | ||
| EC number | 3.4.24.3 | ||
| CAS number | 9001-12-1 | ||
| Merck USA index | 14, 2481 | ||
| Store and ship information | |||
|---|---|---|---|
| Storage | +2°C to +8°C | ||
| Ship |
Ambient Temperature Only
Harmful |
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| Safety information | |||
|---|---|---|---|
| S Phrase |
S: 22-24-37 Do not breathe dust. Avoid contact with skin. Wear suitable gloves. |
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| R Phrase |
R: 42/43-36/37/38 May cause sensitization by inhalation and skin contact. Irritating to eyes, respiratory system and skin. |
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