Parapenzolate bromide

Also known as: (1,1-dimethylpiperidin-1-ium-4-yl) 2-hydroxy-2,2-diphenylacetate bromide, (1,1-dimethylpiperidin-1-ium-4-yl) 2-hydroxy-2,2-diphenyl-ethanoate bromide, 2-hydroxy-2,2-diphenyl-acetic acid (1,1-dimethylpiperidin-1-ium-4-yl) ester bromide, 4-benziloyloxy-1,1-dimethyl-piperidinium bromide, 4-[2-hydroxy(diphenyl)acetoxy]-1,1-dimethylpiperidinium bromide, Bromure de parapenzolate, Bromuro de parapenzolato, Parapenzolatbromid, Parapenzolate, Parapenzolati bromidum, Sch-3444, Vagopax

Parapenzolate bromide (CAS 5634-41-3) is a compound in the Esters category listed in the Jingsj chemical database. It has the molecular formula C21H26BrNO3 and a molecular weight of 420.34000 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 5634-41-3
Jingsj CID: J-854120-0
Molecular Formula: C₂₁H₂₆BrNO₃
Molecular Weight: 420.34000 g/mol
Category: Esters
Last updated: 8/21/2026

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Physicochemical Properties

Exact Mass	419.11000
PSA	46.53000

Activity & Biological Data

Additional Information	[1]. Paris, J., et al. Effect of parapenzolate bromide on the contractility of the gall bladder and sphincter of Oddi. Therapie (1968), 23(3), 609-18. [2]. Ishimura Yasuko, et al. Pharmacological studies on parapenzolate bromide. 1. Pharmacological studies. Shikoku Igaku Zasshi (1970), 26(1), 43-51.

Frequently Asked Questions

What is the CAS number of Parapenzolate bromide?

The CAS number of Parapenzolate bromide is 5634-41-3.

What are the molecular formula and molecular weight of Parapenzolate bromide?

Parapenzolate bromide has molecular formula C21H26BrNO3 and molecular weight 420.34000 g/mol.

What are the upstream and downstream products of Parapenzolate bromide?

For Parapenzolate bromide, Upstream Products: 2-chloro-2,2-diphenylacetyl chloride, Enpiperate, Methyl bromide.

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. "Parapenzolate bromide (CAS 5634-41-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-854120-0 (accessed 2026-11-06).

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