https://www.fishersci.com/us/en/browse/cas/20409-48-7
CAS RN 20409-48-7 | Fisher Scientific
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https://www.lowes.com/pd/Mueller-Proline-5-1-2-in-L-x-1-2-in-x-1-2-in-dia-Black-Steel-Nipple-Fitting/3392748
RELIABILT 1/2-in x 5-1/2-in Black Nipple 20409 at Lowes.com
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https://www.thermofisher.com/antibody/product/SLPI-Antibody-clone-20409-Monoclonal/MA5-60955
SLPI Monoclonal Antibody (20409) | Invitrogen (MA5-60955)
Detect SLPI in WB, ELISA, IHC (P), IP, IHC (F). Reacts with Rabbit, Mouse, Goat. Catalog # MA5-60955
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