Best in 7 days
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Ships within 48 hours · Estimated delivery Jun 25 - Jun 30
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Description
Proteinase K, 20mg/mlProteinase K is a non specific serine protease having a very high specific activity. It is used to purify target material from contaminating proteins, for the isolation of mRNA or high molecular weight DNA and to inactivate other enzymatic activities. Proteinase K is active with or without the presence of SDS, EDTA and urea. This proteinase K is isolated from Tritirachium album and it is very stable in the storage buffer at +4 C and at 20 C. Store at
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.1 ★★★★★
Based on 740 reviews
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Product Reviews
★★★★★ 4
More blue than purple
Size: 4.5 Toddler, Color: Celeste
Not the same color as shown. The color is more blue
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Reviewed in the United States on May 5, 2025
★★★★★ 5
Daughter approved
Size: 1 Little Kid, Color: Turquoise/Multi
My daughter picked out these shoes and she absolutely loves them.
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Reviewed in the United States on May 9, 2026
★★★★★ 5
Not stiff or tight…
Size: 13.5 Little Kid, Color: Turquoise/Multi
My niece loved them. So many of the slips in shoes are too stiff and tight, this one was easy on, not stiff or tight, just perfect!
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Reviewed in the United States on March 18, 2026
★★★★★ 5
De acuerdo a lo esperado
Size: 1 Little Kid, Color: Lavender
Muy buena calidad y medida correcta
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Reviewed in the United States on September 8, 2025
★★★★★ 5
Excelente en todo sentido
100% Recommended; expected product and excellent service from the seller. Package received in Colombia, without problems.
100% Recomendado; producto esperado y excelente servicio del vendedor. Paquete recibido en Colombia, sin problemas.
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Reviewed in the United States on August 14, 2024
