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10 Kilogram |
Negotiable |
Hot sale Asparaginase Buy L-Asparaginase CAS NO.9015-68-3 high quality Asparaginase Buy L-Asparaginase High purity Asparaginase Buy L-Asparaginase
Molecular Formula | C14H17NO4S |
Molar Mass | 295.35 |
Specific Rotation(α) | D20 -30 to -32° |
Appearance | suspension |
Color | Crystals or powder |
Merck | 13,841 |
Storage Condition | 2-8°C |
MDL | MFCD00130565 |
Physical and Chemical Properties | Asparaginase is an enzyme preparation produced by microbial fermentation. It is a white crystalline powder, easily soluble in water, insoluble in organic solvents such as ethanol, acetone, chloroform, acetaldehyde, benzene, etc. It is slightly wet and stable to heat. It lasts for 15min at 500C, the activity decreases by 30%, and it is completely inactivated at 600C for less than 1h. Freeze-dried products can be stable for several months at 2 ~ 50C. However, the solution can only be stored for a few days and 200C for 7 days. 50C storage for 14 days did not reduce the enzyme activity. The optimum ph is 8.5 and the optimum temperature is 370C. This product is a drug that has a selective inhibitory effect on tumor cells. It is effective for solid tumors and leukemia, and has no cross-resistance with commonly used mercaptopurine, vincristine, cytarabine, methotrexate, etc. |
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