PBS - Phosphate-Buffered Saline (10X) pH 7.4, RNase-free, 500 mL - FAQs

It is normal to see a precipitate in PBS (Cat. No. AM9624, AM9625) after exposure to low temperatures. The crystals will go into solution at room temperature with occasional agitation. Please ensure that no precipitate remains before using the PBS solution.

Our PBS, pH 7.2 and PBS, pH 7.4 products are tested for endotoxin and the endotoxin levels are shown on the Certificate of Analysis (CoA) for the particular lot number of the product.

Find additional tips, troubleshooting help, and resources within our Cell Culture Support Center.

We offer PBS - Phosphate-Buffered Saline (10X) pH 7.4, RNase-free (Cat. Nos. AM9624 and AM9625), which is molecular biology grade and is certified to be RNase-free. However, it is not sterile and hence is not cell culture-grade.

All our other PBS products (Cat. Nos. 70011xxx, 10010xxx, 70013xxx, 20012xxx) are filter-sterilized using a 0.1 µm filter and are cell culture grade (ready to use directly on cells). However, they are not tested for nuclease activity.

Find additional tips, troubleshooting help, and resources within our Cell Culture Support Center.

We offer PBS - Phosphate-Buffered Saline (10X) pH 7.4, RNase-free (Cat. Nos. AM9624 and AM9625) that is molecular biology grade and is certified to be RNase-free. Our other PBS products are made with distilled water and are filter-sterilized, but are not tested for RNase and DNase activity.

Find additional tips, troubleshooting help, and resources within our Cell Culture Support Center.