Timapiprant

Also known as: OC000459, 2-(5-fluoro-2-methyl-3-(quinolin-2-ylmethyl)-1H-indol-1-yl)acetic acid, 5-fluoro-2-methyl-3-(quinolin-2-ylmethyl)-1H-indole-1-acetic acid, (5-fluoro-3-isoquinolin-3-ylmethyl-2-methyl-indol-1-yl)-acetic acid, 1H-Indole-1-acetic acid, 5-fluoro-2-methyl-3-(2-quinolinylmethyl)-

Timapiprant (CAS 851723-84-7) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C21H17FN2O2 and a molecular weight of 348.370 g/mol. Key properties include a boiling point of 574.4±50.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 301.2±30.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 851723-84-7
Jingsj CID: J-89606-0
Molecular Formula: C₂₁H₁₇FN₂O₂
Molecular Weight: 348.370 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	574.4±50.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	301.2±30.1 °C
Exact Mass	348.127411
PSA	55.12000
LogP	4.37
Vapor Pressure	0.0±1.7 mmHg at 25°C
Refractive Index	1.646
Storage Conditions	-20°C

Activity & Biological Data

Additional Information	[1]. Singh D, Cadden P, Hunter M, Inhibition of the asthmatic allergen challenge response by the CRTH2 antagonist OC000459. Eur Respir J. 2013 Jan;41(1):46-52. [2]. Horak F, Zieglmayer P, Zieglmayer R, The CRTH2 antagonist OC000459 reduces nasal and ocular symptoms in allergic subjects exposed to grass pollen, a randomised, placebo-controlled, double-blind trial. Allergy. 2012 Dec;67(12):1572-9. [3]. Pettipher R, Vinall SL, Xue L, Pharmacologic profile of OC000459, a potent, selective, and orally active D prostanoid receptor 2 antagonist that inhibits mast cell-dependent activation of T helper 2 lymphocytes and eosinophils. J Pharmacol Exp Ther. 2012 Feb;340(2):473-82.

Additional Information

[1]. Singh D, Cadden P, Hunter M, Inhibition of the asthmatic allergen challenge response by the CRTH2 antagonist OC000459. Eur Respir J. 2013 Jan;41(1):46-52. [2]. Horak F, Zieglmayer P, Zieglmayer R, The CRTH2 antagonist OC000459 reduces nasal and ocular symptoms in allergic subjects exposed to grass pollen, a randomised, placebo-controlled, double-blind trial. Allergy. 2012 Dec;67(12):1572-9. [3]. Pettipher R, Vinall SL, Xue L, Pharmacologic profile of OC000459, a potent, selective, and orally active D prostanoid receptor 2 antagonist that inhibits mast cell-dependent activation of T helper 2 lymphocytes and eosinophils. J Pharmacol Exp Ther. 2012 Feb;340(2):473-82.

Customs & Trade Information

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of Timapiprant?

The CAS number of Timapiprant is 851723-84-7.

What are the molecular formula and molecular weight of Timapiprant?

Timapiprant has molecular formula C21H17FN2O2 and molecular weight 348.370 g/mol.

What are the upstream and downstream products of Timapiprant?

For Timapiprant, Upstream Products: 5-Fluoro-2-methyl-1H-indole.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "Timapiprant (CAS 851723-84-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-89606-0 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.