Products SCR006 and A7089 are both Accumax solutions used to detach clumped cells and have been used on many different types of cells (CHO, BHK, 293, COS, Sf9, and catfish primary hepatocyte cells). Both products should be thawed at 37°C before use, and added at equal volume to a sample of clumped cells. Once added, allow 5-10 minutes at 37°C for incubation and count cells as you would normally.
Product SCR006 is supplied as 100 ml, ready to use, frozen sterile liquid. 1X ACCUMAX™ enzymes are prepared in Dulbecco′s PBS (0.2 g/L KCl, 0.2 g/L KH2PO4, 8 g/L NaCl, and 1.15 g/L Na2HPO4) containing 0.5mM EDTA-4Na.
Product A7089 is supplied as a sterile, ready-to-use frozen liquid and Prepared in Dulbecco′s PBS (0.2 g/L KCl, 0.2 g/L KH2PO4, 8 g/L NaCl, and 1.15 g/L Na2HPO4), this product does not contain EDTA-4Na.
Some additional differences are the types of test specifications and the quality level for both products. Product SCR006 has a quality level of 300 while product A7089 has a quality level 200. Products with a quality level of 200 are for non-regulated applications with limited change control requirements. Products with a quality level of 300 are for products used in applications requiring enhanced change control and quality agreement. Please view the sample certificate of analysis for both products for more information:
https://www.sigmaaldrich.com/certificates/sapfs/PROD/sap/certificate_pdfs/COFA/Q14/SML1312-5MG0000134372.pdf
https://www.sigmaaldrich.com/certificates/sapfs/PROD/sap/certificate_pdfs/COFA/Q14/A7089-500MLSLCP7645.pdf