Research Use Only — Not for Human Consumption — Qualified Investigators Only

Compliance Center

All 4RPO Sciences operations are governed by strict Research Use Only doctrine. Review our full compliance framework below.

Research Use Only (RUO) Doctrine

All compounds supplied by 4RPO Sciences are intended strictly for in vitro laboratory research by qualified investigators at accredited institutions. They are not approved, tested, or intended for human consumption, clinical use, veterinary use, or any form of administration to living organisms.

The designation "Research Use Only" (RUO) is a formal regulatory classification. Misrepresentation of this classification or misuse of supplied compounds is a violation of the purchaser agreement and may constitute a violation of applicable law.

Purchaser Eligibility Requirements

To purchase from 4RPO Sciences, all buyers must meet the following criteria:

RequirementPhantom InquiryVerified Portal
Institutional affiliationREQUIREDREQUIRED
Qualified investigator statusREQUIREDREQUIRED
Active research protocolRecommendedREQUIRED
IACUC/IRB approval (if applicable)If applicableREQUIRED
Pre-verified accountNOT REQUIREDREQUIRED
Prohibited Uses

The following uses are explicitly prohibited and constitute a violation of the 4RPO Sciences purchaser agreement:

  • Administration to humans for any purpose
  • Administration to animals outside of an approved IACUC protocol
  • Resale to non-institutional parties
  • Use in any dietary supplement, food product, or cosmetic formulation
  • Use in any unapproved clinical or investigational context
Quality & Analytical Standards

All 4RPO Sciences compounds meet the following minimum analytical standards prior to release:

TestMethodMinimum Standard
PurityRP-HPLC-UV (220nm)≥98.0%
IdentityLC-MS / MALDI-TOF±0.5 Da
EndotoxinLAL Assay<1 EU/mg
MoistureKarl Fischer<6%
Cold-Chain & Storage Requirements

All lyophilized compounds are shipped under validated cold-chain conditions (−20°C with 72-hour capacity gel packs) and should be stored at −20°C, desiccated, protected from light. Shelf stability is ≥24 months when stored appropriately. Reconstituted solutions should be used within 30 days or aliquoted and stored at −80°C.