CAS 141-63-9 appears in our catalog under these names: Dodecamethylpentasiloxane, Dodecamethylpentasiloxane/ 97.62% (existing batch purity), Dodecamethylpentasiloxane, >97.0%(GC), Dodecamethylpentasiloxane 98%, DODECAMETHYLPENTASILOXANE, 97%. Offered by: Dr. Ehrenstorfer, TRC, TargetMol, GLPBio, TCI. Available pack sizes: 250mg, 10ml, 1ml, 500mg, 25ml, 1g, 5g, 10g.