Last reviewed: October 2026 · Cleared Peptides research team
OC000459 is the development code associated with timapiprant. Public compound listings give CAS 851723-84-7 and describe it as an antagonist at prostaglandin D2 receptor 2, also called DP2 or CRTH2. Salt form can differ between listings. A future lot COA would name the salt actually in the vial.
| Name | Timapiprant |
|---|---|
| Other names | OC000459; OC-459 |
| CAS number | 851723-84-7 |
| Class | DP2 (CRTH2) receptor antagonist |
| Catalog status | Not a current Cleared Peptides lot. Salt form is not assigned on this page. |
Receptor class
DP2 is a prostaglandin D2 receptor. An antagonist at that receptor is the published pharmacology class for this code. Setipiprant is a different DP2 antagonist, CAS 866460-33-5.
Frequently Asked Questions
Is OC000459 the same as setipiprant?
No. They are both described as DP2 antagonists and they have different CAS numbers.
Why is the salt not named?
Public listings include more than one salt description. This page keeps the CAS and does not guess the salt.
Is this for human use?
No. Laboratory reference only.
Selected References
Registry records and peer-reviewed literature listed as scientific background. Citation does not imply endorsement, a benefit, or any use.
- Public listing for OC000459 / timapiprant, CAS 851723-84-7, described as a DP2 receptor antagonist. Cited as the identity and receptor-class record.
Research Use Only Notice
This guide is provided for educational and laboratory reference purposes. It summarizes published structural and biochemical literature. It does not describe, recommend, or imply any use in humans or animals. These materials are not drugs, foods, cosmetics, or dietary supplements on this page, are not offered here as a treatment, and no dosing or administration instructions are provided. Cleared Peptides does not currently list a lot for every compound on this page.