CAS 37267-86-0 appears in our catalog under these names: Metaphosphoric acid, ACS, 33.5-36.5%, bal. NaPO_3 (Stablize , Metaphosphoric acid, 39-43%, bal. NaPO_3 (Stabilizer) . Offered by: Thermo Scientific (Alfa Aesar). Available pack sizes: 10g, 100g, 500g.