Tadalafil Impurity 20 structure

Tadalafil Impurity 20

TL;DR: Tadalafil Impurity 20 (CAS 406938-39-4) is a chemical compound with molecular formula C19H16N2O4 and molecular weight 336.11 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

(1R,3R)-1-(1,3-benzodioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic acid

Also Known As: Tadalafil Impurity 20, Tadalafil Impurity R, Tadalafil Impurity 56, (1R,3R)-1-(Benzo[d][1,3]dioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic acid, J2.676.522F

CAS: 406938-39-4
Molecular Formula C19H16N2O4
Molecular Weight 336.11 g/mol
LogP 2.5849
Topological Polar Surface Area 83.58 Ų
Hydrogen Bond Donors 3
Hydrogen Bond Acceptors 4
Rotatable Bonds 2
Exact Mass 336.111
Heavy Atoms 25
Complexity 994.2528

Chemical Identifiers

CAS Number 406938-39-4
SMILES C1[C@@H](N[C@@H](C2=C1C3=CC=CC=C3N2)C4=CC5=C(C=C4)OCO5)C(=O)O

Product Overview

Tadalafil Impurity 20 (CAS 406938-39-4), with molecular formula C19H16N2O4 and molecular weight 336.11 g/mol. IUPAC: (1R,3R)-1-(1,3-benzodioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic acid.

🧪
Safety Data Sheet (MSDS / SDS) View the Laboratory Chemical Safety Summary (LCSS) on PubChem — includes GHS classifications, hazard statements, first aid measures, and handling precautions.
View MSDS →

Chemical Property Profile of Tadalafil Impurity 20

XLogP
2.5849
TPSA (Topological Polar Surface Area)
83.58
Hydrogen Bond Donors
3
Hydrogen Bond Acceptors
4
Rotatable Bonds
2
Heavy Atoms
25
Complexity
994.2528
Exact Mass
336.111
Monoisotopic Mass
336.111
Data Source: Chemical property values are referenced from PubChem, the world's largest open chemistry database maintained by the National Center for Biotechnology Information (NCBI), U.S. National Library of Medicine.

Property Insights of Tadalafil Impurity 20

The XLogP value of 2.5849 suggests moderate lipophilicity, balancing water solubility and membrane permeability for Tadalafil Impurity 20. The TPSA of 83.58 Ų falls within the moderate polarity range, balancing permeability and solubility for Tadalafil Impurity 20. Following Lipinski's Rule of Five, Tadalafil Impurity 20 has 3 hydrogen bond donor(s) and 4 hydrogen bond acceptor(s), all within the drug-like range, suggesting favorable oral bioavailability potential.

Frequently Asked Questions

What is the typical lead time for this product?
Lead time typically ranges from 3-7 business days for in-stock items. For larger quantities or custom orders, please contact us for specific lead times.
Can you provide samples for testing?
Yes, we offer sample quantities for quality testing. Please submit an inquiry with your requirements and we will arrange samples accordingly.
What documentation do you provide with the product?
We provide COA (Certificate of Analysis), MSDS (Material Safety Data Sheet), and technical data sheets with each shipment.
Do you ship internationally?
Yes, we ship to most countries worldwide. Shipping costs and delivery times vary by location. Please contact us for specific shipping information.

Frequently Asked Questions

What is the CAS number of Tadalafil Impurity 20?

The CAS number of Tadalafil Impurity 20 is 406938-39-4.

What is the molecular formula of Tadalafil Impurity 20?

The molecular formula of Tadalafil Impurity 20 is C19H16N2O4.

What is the molecular weight of Tadalafil Impurity 20?

The molecular weight of Tadalafil Impurity 20 is 336.11 g/mol.

Where can I buy Tadalafil Impurity 20?

You can request a quote for Tadalafil Impurity 20 directly from KEHONG BIO. Contact us or email info@kehongbio.com for pricing and availability.

Does KEHONG BIO offer custom synthesis for Tadalafil Impurity 20?

Yes, KEHONG BIO provides custom synthesis services for Tadalafil Impurity 20 and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.

🤖 科弘生物 AI 助手 ×
您好!我是 科弘生物 AI 助手。可以问我产品搜索、询价、样品或技术问题。如何帮助您?