Purchase High Purity Proteinase K CAS 39450-01-6 From China

• Customization: Available
• CAS No.: 39450-01-6
• Formula: C29h27n2o12p
• Model NO.: Proteinase K
• Classification: High Purity Material
• Grade: LR
• Specific Usage: For Biological Purpose, Technical Grade
• Content: Standard
• Usage: Laboratory Reagents, Analytical Reagents
• Source: Dry Powder
• Habit Appellation: Chemical Medicine
• Application: Industry, Scientific Research
• Storage Environment: Low Temperature Drying
• Shelf Life: 3 Years
• MW: 358.21
• Transport Package: 1kg/Bag
• Specification: 1000kg
• Trademark: Star-Selection
• Origin: Huanggang
• HS Code: 000000
• Production Capacity: 100000kg/Year

Product Description

 

Product Description

 

 

 

CAS No.: 39450-01-6
EINECS No.: 3.4.21.64

Form: Lyophilized White Powder.
Source: Mutated gene from Tritirachium limber, Expressed in recombinant yeast.
Specific Activity: ≥34U/mg dry weights
Package: 100mg/Bottle, 1g/Bottle (Standard) or 1-200 gram Customer packing.
Storage Conditions:Store at 4 to -20ºC recommended.
Mutated Proteinase K powder is stable at room temperature in 3 years.
Expiration : Three years if kept below 4ºC.
Molecular Weight: 29,300 D
QC Assays:
Activity Assay and Unit Definitions: 
 One unit is defined as the amount of enzyme that will liberate 1 μmol of tyrosine per minute at 37º C, pH7.5.
DNase Activity: none detectable enzyme activity with λ DNA after 6 hours incubation at 37ºC.
RNase Activity: none detectable of ribnuclease activity after 16 hours incubation at 25 º C
Protein Purity: over 99% (Native-PAGE and SDS-PAGE assay)

 

 

Description	White  powder	Complies
Identification	IR	Complies
	HPLC	Complies
Heavy metal	≤10ppm	5ppm
Pb	≤3ppm	1.5ppm
Hg	≤0.1ppm	0.05ppm
Cd	≤1ppm	0.2ppm
Loss on drying	≤0.5%	0.12
Residue on lgnition	≤0.1%	0.03
Single impurity	≤0.5%	0.12
Total impurity	≤1.0%	0.29
Total bacteria	≤1000cfu/g	<1000
Yeast and Mould	≤100 cfu/g	<000
E.coli/25g	Absent	Absent
Salmonella/25g	Absent	Absent
Assay	≥99.0%	99.4%
Conclusion	Conforms with USP/EP standards

 

 

 

 

 

 

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Packaging & Shipping

 

 

 

Company Profile

 

Our Advantages

 

 

Our services
1.Supply top quality products with a reasonable price.
2.Arrange the orders and shipping with your requests on time, According to the different countries export policy provide complete customs clearance documents.
3. Samples can be arranged for testing and Unconditional assume responds.
4. Provide a price trend, ensure the clients can know about  marketing informations in time.
FAQ
1.Can I buy a sample for evaluation?
Yes. There are no uniform standards for different products. Please consult the salesman for details.
2. How do I pay?
PI will be sent first after confirmation of order,enclosed our bank information.Payment by T/T, Western Union, L/C, Moneygram or Bitcoin.
3. How much is the freight?
Transport costs vary according to the mode of transport and the country. Shipping costs to western European countries are generally slightly higher than to the United States. Freight to Asia is slightly lower than to the United States.
4. Does the freight include local taxes, import duties and other import-related charges?
The freight does not include any tax. Local taxes, import duties, customs clearance, or any other import-related charges are levied by your government and the buyer is responsible for these import-related charges. Please check with your local customs for more information.
5. What transportation options do I have?
As we strive to provide value and flexibility to our customers, we offer different options to deliver your order.1g-100kg, (EMS/UPS/FedEx) Over 100kg, air or sea.
6. How long is the lead time?
Small orders will be shipped in 3 days and large orders in 7-10 days.