Tripelennamine

曲吡那敏

Also known as: Pyribenzamine, Benzoxale, Resistamine, Tonaril, Cizaron, N-benzyl-N',N'-dimethyl-N-2-pyridylethylenediamine, N,N-Dimethyl-N'-(phenylmethyl)-N'-(2-pyridinyl)-1,2-ethanediamine, 1,2-Ethanediamine, N,N-dimethyl-N-(phenylmethyl)-N-2-pyridinyl-, N'-benzyl-N,N-dimethyl-N'-pyridin-2-ylethane-1,2-diamine, Tripelenamine

Tripelennamine (CAS 91-81-6) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C16H21N3 and a molecular weight of 255.35800 g/mol. It is also known as Pyribenzamine, Benzoxale and Resistamine. Key properties include a melting point of 25°C, a boiling point of 185 - 190ºC at 1.7 mm Hg and a density of 1.0683 (rough estimate). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 91-81-6
Jingsj CID: J-1976519-8
Molecular Formula: C₁₆H₂₁N₃
Chinese Name: 曲吡那敏
Molecular Weight: 255.35800 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	25°C
Boiling Point	185 - 190ºC at 1.7 mm Hg
Density	1.0683 (rough estimate)
Exact Mass	255.17400
PSA	19.37000
LogP	2.64980
Refractive Index	nD25 1.5759-1.5765

Activity & Biological Data

Target	H1 Receptor
Additional Information	[1]. Manohar M, et al. H1-receptor antagonist, tripelennamine, does not affect arterial hypoxemia in exercising Thoroughbreds. J Appl Physiol. 2002 Apr;92(4):1515-23. [2]. Wasfi IA, et al. Comparative disposition of tripelennamine in horses and camels after intravenous administration. J Vet Pharmacol Ther. 2000 Jun;23(3):145-52. [3]. Yeh SY, et al. The pharmacokinetics of pentazocine and tripelennamine. Clin Pharmacol Ther. 1986 Jun;39(6):669-76.

Target

H1 Receptor

Additional Information

[1]. Manohar M, et al. H1-receptor antagonist, tripelennamine, does not affect arterial hypoxemia in exercising Thoroughbreds. J Appl Physiol. 2002 Apr;92(4):1515-23. [2]. Wasfi IA, et al. Comparative disposition of tripelennamine in horses and camels after intravenous administration. J Vet Pharmacol Ther. 2000 Jun;23(3):145-52. [3]. Yeh SY, et al. The pharmacokinetics of pentazocine and tripelennamine. Clin Pharmacol Ther. 1986 Jun;39(6):669-76.

Frequently Asked Questions

What is the CAS number of Tripelennamine?

The CAS number of Tripelennamine is 91-81-6.

What are the molecular formula and molecular weight of Tripelennamine?

Tripelennamine has molecular formula C16H21N3 and molecular weight 255.35800 g/mol.

What are the upstream and downstream products of Tripelennamine?

For Tripelennamine, Upstream Products: Dimethylamine, 2-Chloropyridine.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Tripelennamine (CAS 91-81-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1976519-8 (accessed 2026-10-28).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.