- Contact Person : Ms. Li Christina
- Company Name : Beijing Geyuantianrun Bio-Tech Co., Ltd.
- Tel : 86-10-60279131
- Fax : 86-10-60279131 60270523 Address: Beijing Daxing DistrictBiomedical Industry Base Tianfu Road NO.3 Zip: 102609 Country/Region: China (Mainland) Province/State: Beijing City:
- Address : Beijing,Beijing,Beijing Daxing DistrictBiomedical Industry Base Tianfu Road NO.3
- Country/Region : China
- Zip : 102609
Chymotrypsinogen
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Chymotrypsinogen
Source: Bovine pancreas
General description
The pre-cursor of Chymotrpsin with 25,000 Dalton molecular weight. It belongs to serine protease.
The high purity Chymotrypsin of Beijing Geyuantianrun Bio-tech Co., Ltd.. is purified by re-crystallization, and showing one lane in electrophoresis.
Specification
Items | Specification | Method |
Appearance | White or almost white crystallize powder | Enterprise Standard |
Appearance of solution | A. No purple color develops within 3 minutes B. Maximum absorbance rate is at 282±2nm | Enterprise Standard |
Loss on drying | No more than 5.0% | USP33 |
Residue on Ignition | No more than 2.5% | USP33 |
Microbial limits |
| |
Total viable aerobic count | Not more than 105 micro-organisms per gram | Enterprise Standard |
Candida albicans | Not more than 100 micro-organisms per gram | Enterprise Standard |
Pseudomonas aeruginosa | Absent | Enterprise Standard |
Salmonella | Absent | Enterprise Standard |
Staphylococcus aureus | Absent | Enterprise Standard |
Intrinsic chymotrypsin activity | ≤7% of the total titer of the assay | Enterprise Standard |
Assay | Not less than 5.0 ukatal/mg, calculated on the dried basis | Enterprise Standard |
Storage
Store in an airtight container, at a temperature of 2°C to 8°C.
Chymotrypsinogen
