Tadalafil

CAS 171596-29-5C22H19N3O4¹389.4 g/mol¹

As of October 2026, the China regional price index for Tadalafil (CAS 171596-29-5) at 98% purity is $13.00 per 1 g, based on 1 source. No US index is available for this specification and package. This is a research reference index in USD, not a supplier quotation. Tadalafil is also known as ALYQ, Cialis, Tadalafil Lilly, Tadalafil mylan, tadalafilum.

Building Blocks Heterocyclic Building Blocks

2D Molecular Structure

PubChem CID pubchem:110635 ¹

Selected specification: 98%
Selected package basis: 1 g

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Safety & regulatory sources Reference sources

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Regional Index Calculator

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Interactive

Basis

98% · 1 g

Package count× 1 g

No common counts are configured for this basis. Enter a custom package count.

Custom package countAllowed: 1–10,000, step 1.

China duty assumption

US additional cost

China freight & handling

US total

N/A

China total

$13.00

Difference

N/A

A direct difference requires both regional indexes in the same currency.

Index × package count + your entered adjustments. Research scenario only—not a quotation.

Market Intelligence Snapshot

98% · 1 g · Regional reference indexes

US Regional Index

—

China Regional Index

$13.00

Per 1 g basis

Regional Gap

—

Updated Oct 20, 2026 · Reference indexes, not supplier quotations

Calculation evidence & references

US index evidence · evidence unavailable

China index evidence · regional-median-v11 observations · 1 eligible suppliers · calculated Oct 20, 2026

Public market reference channelsAlibaba.com ↗Amazon Business ↗How calculated ↗

Platform links identify public market channels. Exact supplier identities remain private; each displayed value is a GrapeCat Chem regional index, not a platform quote.

12-Month Regional Index History

Confidence: UNKNOWNFreshness: Oct 20, 2026

USD-normalized · 1 g comparison basis

View exact monthly observations →

Latest six exact monthly observations
Region	Oct26
US	—
CN	13

Exact monthly observations (1)

Exact monthly observations
	US	China
2026-10-01	—	13.00000000

Exact monthly observations
Region	Oct2026
US	—
China	13

Published 1y index history · regional-median-v1 · basis 1 g · Methodology ↗

Structure, sources & questions

2D Molecular Structure

PubChem CID pubchem:110635 ¹

Safety & regulatory sources Reference sources

Review source records and requirements before use.

Available Specifications & Package Bases

Normalized specification and package facts from eligible technical documents; source-specific supplier promotion remains private. Each package is an independent research basis. How calculated ↗

98%

1 g

Current basis

US: N/A
China: $13.00
Gap: N/A

regional-median-v1 · —/1 US/CN observations · calculated Oct 20, 2026

Tadalafil price index by purity and package size
Specification	Package	US Index	China Index	Regional Gap	Confidence	Sources (US / China)	Period	Freshness
98%Displayed	1 g	Not available	$13.00	Not available	LIMITED	— / 1	Oct 2026	Oct 20, 2026

Reference Data & Physical Properties

Secondary scientific reference values; unavailable fields remain unfilled.

External identifiers

InChIKey: WOXKDUGGOYFFRN-IIBYNOLFSA-N
PubChem CID: 110635²
MDL Number: —
SMILES: CN1CC(=O)N2[C@@H](C1=O)CC3=C([C@H]2C4=CC5=C(C=C4)OCO5)NC6=CC=CC=C36

Applicable physical properties

Only source-provided properties applicable to this published basis are shown. Storage and container requirements remain in Safety Summary.

No applicable, independently verified physical-property values are published for this basis.

Sources (2)[1] PubChem CID pubchem:110635Verified 2026-10-20[2] Mcule record MCULE-1208599456Verified 2026-10-20

Identifiers and synonyms

Synonyms: ALYQ, Cialis, Tadalafil Lilly, Tadalafil mylan, tadalafilum
CAS: 171596-29-5
Formula: C22H19N3O4
Molecular weight: 389.4 g/mol
InChIKey: WOXKDUGGOYFFRN-IIBYNOLFSA-N
PubChem CID: 110635

Questions about Tadalafil

What is the CAS number of Tadalafil?

The CAS number of Tadalafil is 171596-29-5. Its molecular formula is C22H19N3O4 and its molecular weight is 389.4 g/mol.

What is the price index of Tadalafil?

As of October 2026, the China regional price index for Tadalafil (CAS 171596-29-5) at 98% purity is $13.00 per 1 g, based on 1 source. No US index is available for this specification and package.

Is this a quotation?

No. GrapeCat Chem does not sell chemicals. The values are research indexes calculated from observed list prices and are not offers, quotations or real-time prices.

Classification

Scientific Sourcing Taxonomy

Building BlocksHeterocyclic Building Blocks

Related Chemical Records

No related published Chemical records are assigned.

Research index data only. Regional indexes are not executable quotations. Safety, physical-property, and regulatory references must be independently confirmed.

Data Methodology