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(1R,3S)-1-(1,3-Benzodioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic Acid Methyl Ester

Also known as: Tadalafil Impurity D, Tadalafil Impurity 31, Tadalafil impurity 15, Tadalafil-014-1R3S, methyl trans-1,2,3,4-tetrahydro-1-(3,4-methylenedioxyphenyl)-9H-pyrido[3,4-b]indole-3-carboxylate

(1R,3S)-1-(1,3-Benzodioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic Acid Methyl Ester (CAS 171596-44-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C20H18N2O4 and a molecular weight of 350.36800 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
171596-44-4
Jingsj CID
J-1497792-5
Molecular Formula
C20H18N2O4
Molecular Weight
350.36800 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Exact Mass350.12700
PSA72.58000
LogP3.00210

Frequently Asked Questions

What is the CAS number of (1R,3S)-1-(1,3-Benzodioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic Acid Methyl Ester?

The CAS number of (1R,3S)-1-(1,3-Benzodioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic Acid Methyl Ester is 171596-44-4.

What are the molecular formula and molecular weight of (1R,3S)-1-(1,3-Benzodioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic Acid Methyl Ester?

(1R,3S)-1-(1,3-Benzodioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic Acid Methyl Ester has molecular formula C20H18N2O4 and molecular weight 350.36800 g/mol.

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

Last updated:

How to cite: Jingsj. "(1R,3S)-1-(1,3-Benzodioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic Acid Methyl Ester (CAS 171596-44-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1497792-5 (accessed 2026-11-09).

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