# Halocarbon 23 (Fluoroform) — CGA cylinder valve connection number by gas

For Halocarbon 23 (Fluoroform), source chart is Matheson; cga connection number is 660/716; which chart the row is from is Pure Gases, recorded from its source on 2026-08-28.

- **Gas:** Halocarbon 23 (Fluoroform) _(verified: appears in the quote below)_
- **Source chart:** Matheson _(our reading, not quoted from the source)_
- **CGA connection number:** 660/716 _(verified: appears in the quote below)_
- **Which chart the row is from:** Pure Gases _(our reading, not quoted from the source)_

## What the source says

> Halocarbon 23 (Fluoroform) 660/716

## Source

- https://us.nipponsanso.com/pdfs/gasequipment/CGA-Connection-Chart.pdf

Last verified: 2026-08-28. Review by: 2028-08-27.
Part of [CGA cylinder valve connection number by gas](https://referencesource.org/cga-cylinder-valve-connection-by-gas/).