Tadalafil Desmethylene Impurity

Name: Tadalafil Desmethylene Impurity
Brand: Zemixal
SKU: ZX-027082

Reference StandardAvailable on request

Order Tadalafil Desmethylene Impurity (CAS 171489-03-5) online at Zemixal. Lab and bulk packs, batch COA, fast global delivery.

Pack sizes

Tadalafil Desmethylene Impurity chemical structure

CAS number171489-03-5

FormulaC₂₁H₁₉N₃O₄

Molar mass377.4 g/mol

Physical formSolid

HS code38229090

InChIKeyHZSPPSAESSMSNY-FOIQADDNSA-N

IUPAC name(2R,8R)-2-(3,4-dihydroxyphenyl)-6-methyl-3,6,17-triazatetracyclo[8.7.0.03,8.011,16]heptadeca-1(10),11,13,15-tetraene-4,7-dione

About Tadalafil Desmethylene Impurity

Analytical teams working on Tadalafil use Tadalafil Desmethylene Impurity as a qualified comparison standard. Identity at a glance (Reference Standard): CAS 171489-03-5, formula C21H19N3O4 and molar mass 377.4 g/mol. It is handled as a solid.

Where it is used

Metabolite identification
Stability-indicating methods
Impurity profiling

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. Each lot travels with a certificate of analysis with characterisation data. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Tadalafil

See every impurity, metabolite and related compound we list for this API.

Tadalafil standards

Typical uses

Metabolite identification
Stability-indicating methods
Impurity profiling

Applications

Pharmaceutical Manufacturing and QC Research Labs and Universities

Specifications and identifiers

Specifications of Tadalafil Desmethylene Impurity
Product name	Tadalafil Desmethylene Impurity
Catalogue number	ZX-027082
CAS number	171489-03-5
IUPAC name	(2R,8R)-2-(3,4-dihydroxyphenyl)-6-methyl-3,6,17-triazatetracyclo[8.7.0.03,8.011,16]heptadeca-1(10),11,13,15-tetraene-4,7-dione
Molecular formula	C₂₁H₁₉N₃O₄
Molar mass	377.4 g/mol
Exact mass	377.1376
Grade	Reference Standard
Physical form	Solid
XLogP3	1.8
H-bond donors / acceptors	3 / 4
Topological polar surface area	96.9 Å²
HS code	38229090
InChIKey	HZSPPSAESSMSNY-FOIQADDNSA-N
SMILES	CN1CC(=O)N2[C@@H](C1=O)CC3=C([C@H]2C4=CC(=C(C=C4)O)O)NC5=CC=CC=C35
PubChem CID	9864503
Synonyms	Desmethylene Tadalafil, Tadalafil catechol, Tadalafil IMpurity: IMpurity I

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

No GHS classification is on file for this item. Handle it as an unknown laboratory chemical and request the SDS with your quotation.

Pack sizes

Pack sizes of Tadalafil Desmethylene Impurity
10 mg	Quoted on request
25 mg	Quoted on request
50 mg	Quoted on request
100 mg	Quoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Tadalafil Desmethylene Impurity

Which CAS number identifies Tadalafil Desmethylene Impurity?

Tadalafil Desmethylene Impurity is registered under CAS 171489-03-5. You may also see it listed as Desmethylene Tadalafil, Tadalafil catechol, Tadalafil IMpurity: IMpurity I. Our catalogue number for this item is ZX-027082.

What are the formula and molar mass of Tadalafil Desmethylene Impurity?

For Tadalafil Desmethylene Impurity, its formula is C21H19N3O4 and its molar mass is 377.4 g/mol. The systematic (IUPAC) name is (2R,8R)-2-(3,4-dihydroxyphenyl)-6-methyl-3,6,17-triazatetracyclo[8.7.0.03,8.011,16]heptadeca-1(10),11,13,15-tetraene-4,7-dione. InChIKey HZSPPSAESSMSNY-FOIQADDNSA-N lets you match it in any structure database.

How is Tadalafil Desmethylene Impurity used in pharmaceutical QC?

Tadalafil Desmethylene Impurity is a characterised reference material linked to Tadalafil. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.

What grade and pack sizes are available for Tadalafil Desmethylene Impurity?

This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.

Which documents come with Tadalafil Desmethylene Impurity?

Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.

Can Zemixal ship Tadalafil Desmethylene Impurity to my country?

Yes. Tadalafil Desmethylene Impurity ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

More Tadalafil standards

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Tadalafil EP Impurity I

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Formula: C₂₂H₁₉N₃O₅
MW: 405.4 g/mol

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CAS: 951661-82-8
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Tadalafil EP Impurity C

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Formula: C₂₂H₁₉N₃O₄
MW: 389.4 g/mol

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Tadalafil Related Compound 2

CAS: 2169996-11-4
Formula: C₂₄H₂₅N₃O₅
MW: 435.5 g/mol

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N-Desmethyl Tadalafil

CAS: 171596-36-4
Formula: C₂₁H₁₇N₃O₄
MW: 375.4 g/mol

ZX-027078

(1R,3R)-1-(1,3-Benzodioxol-5-yl)-2-(2-chloroacetyl)-2,3,4,9-tetrahydro-N-methyl-1H-pyrido[3,4-b]indole-3-carboxamide

CAS: 951661-81-7
Formula: C₂₂H₂₀ClN₃O₄
MW: 425.9 g/mol

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