# biscyanopropyl polysiloxane — GC column stationary phase cross-reference by manufacturer For biscyanopropyl polysiloxane, usp g-code(s) is G5; restek equivalents is Rt-2560; phenomenex equivalents is ZB-FAME; supelco/merck equivalents is SP-2560; quadrex equivalents is SLP-2560, verified against its source on 2026-08-15. - **Phase chemistry:** biscyanopropyl polysiloxane _(verified: appears in the quote below)_ - **USP G-code(s):** G5 _(verified: appears in the quote below)_ - **Restek equivalents:** Rt-2560 _(verified: appears in the quote below)_ - **Phenomenex equivalents:** ZB-FAME _(verified: appears in the quote below)_ - **Supelco/Merck equivalents:** SP-2560 _(verified: appears in the quote below)_ - **Quadrex equivalents:** SLP-2560 _(verified: appears in the quote below)_ ## What the source says > Rt-2560 | biscyanopropyl polysiloxane | G5 | | | ZB-FAME | | SP-2560 | SLP-2560 | ## Source - https://discover.restek.com/articles/gnot3472/gc-column-cross-reference-chart Last verified: 2026-08-15. Review by: 2027-08-15. Part of [GC column stationary phase cross-reference by manufacturer](https://referencesource.org/lab-instrument-consumables-equivalence/).