Protirelin
Also known as: Thyrotropin-releasing hormone, TRH, TRF, L-pyroglutamyl-L-histidyl-L-prolinamide, pGlu-His-Pro-NH2, Pyr-His-Pro-NH2, 5-Oxo-L-prolyl-L-histidyl-L-prolinamide, Thypinone, Prem, Stimu TSH, Lopremone, Glp-His-Pro-NH2, Pyroglutamylhistidylprolinamide
Protirelin (CAS 24305-27-9) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C16H22N6O4 and a molecular weight of 362.38 g/mol. Key properties include a boiling point of 942.1±65.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 523.6±34.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 24305-27-9
- Jingsj CID
- J-1993603-9
- Molecular Formula
- C16H22N6O4
- Molecular Weight
- 362.38 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 942.1±65.0 °C at 760 mmHg |
|---|---|
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 523.6±34.3 °C |
| PSA | 144.49000 |
| LogP | -2.43 |
| Vapor Pressure | 0.0±0.3 mmHg at 25°C |
| Refractive Index | 1.617 |
| Storage Conditions | -20℃ |
| Additional Property | H2O: 10 mg/mL, clear, colorless |
Activity & Biological Data
| Target | Thyroid hormone receptor |
|---|---|
| Additional Information | [1]. Van Sinay E, et al. Evolutionarily conserved TRH neuropeptide pathway regulates growth in Caenorhabditis elegans. Proc Natl Acad Sci U S A. 2017 May 16;114(20):E4065-E4074. [2]. Noda Y, et al. Hyperthermia induced by thyrotropin-releasing hormone (TRH, Protirelin) in the rat. Kurume Med J. 1979;26(2):107-12. |
Frequently Asked Questions
What is the CAS number of Protirelin?
The CAS number of Protirelin is 24305-27-9.
What are the molecular formula and molecular weight of Protirelin?
Protirelin has molecular formula C16H22N6O4 and molecular weight 362.38 g/mol.
What are the upstream and downstream products of Protirelin?
For Protirelin, Upstream Products: L-Prolinamide, N-alpha-tert-Butoxycarbonyl-L-histidine methyl ester, Boc-L-pyroglutamic acid.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Protirelin (CAS 24305-27-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1993603-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.