Stagninol

Formula :
CAS : 138580-66-2 

From herb Persicaria stagnina.

Stainless steel

Formula : Unspecified
CAS : 12597-68-1 

Stainless steel. A steel containing Ni, Cr, or both. It does not tarnish on exposure and is used in corrosive environments. (Grant & Hack's Chemical Dictionary, 5th ed)

Stains, biological, Wright's

Formula : Unspecified
CAS : 68988-92-1 

TSCA Definition 2019: A complex compound from eosin and an oxidized and partly demethylated methylene blue. Identification or analysis is unknown.