Holiday notice: from 1pm Monday 21 September, all orders will be dispatched on Tuesday 29 September. Order as normal — everything ships the day we're back. Thank you!

A complete pen and cartridge setup with a reusable green pen and case, cartridge, four pen needles, venting needle, 3ml bacteriostatic water, 3ml syringe and separate screw-on needle.
For In Vitro Use Only — Not for Human Use
Every batch is independently HPLC & mass-spec tested. Certificate of Analysis is batch-numbered and matched to the vial you receive.
The Pen and Cartridge Reconstitution Kit combines the equipment needed to prepare and use a reusable cartridge pen in one convenient set.
The included cartridge, measuring syringe and separate needles support clean, repeatable preparation in controlled laboratory workflows.