Pharmacopeial Impurities (EP / USP / BP)

Tadalafil EP Impurity C

Name: Tadalafil EP Impurity C
Brand: Zemixal
SKU: ZX-027079

Reference StandardAvailable on request

Tadalafil EP Impurity C (CAS 171596-28-4) supplier Zemixal. Lab and bulk packs, batch COA, fast global delivery. Catalogue no. ZX-027079.

Pack sizes

Tadalafil EP Impurity C chemical structure

CAS number171596-28-4

FormulaC₂₂H₁₉N₃O₄

Molar mass389.4 g/mol

Physical formSolid

HS code38229090

InChIKeyWOXKDUGGOYFFRN-IERDGZPVSA-N

IUPAC name(2S,8R)-2-(1,3-benzodioxol-5-yl)-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 EP Impurity C

Tadalafil EP Impurity C is supplied by Zemixal as a characterised reference material for Tadalafil analysis. Identity at a glance (Reference Standard): CAS 171596-28-4, formula C22H19N3O4 and molar mass 389.4 g/mol. It is handled as a solid.

Common uses in the lab and plant

Pharmacopeial method verification
Impurity profiling
QC release testing
ANDA / DMF filings

Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. You receive a certificate of analysis with characterisation data with each order. 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

Pharmacopeial method verification
Impurity profiling
QC release testing
ANDA / DMF filings

Applications

Pharmaceutical Manufacturing and QC Research Labs and Universities

Grade guides

Ph. Eur. Grade (European Pharmacopoeia)

Specifications and identifiers

Specifications of Tadalafil EP Impurity C
Product name	Tadalafil EP Impurity C
Catalogue number	ZX-027079
CAS number	171596-28-4
IUPAC name	(2S,8R)-2-(1,3-benzodioxol-5-yl)-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	C₂₂H₁₉N₃O₄
Molar mass	389.4 g/mol
Exact mass	389.1376
Grade	Reference Standard
Physical form	Solid
XLogP3	2.3
H-bond donors / acceptors	1 / 4
Topological polar surface area	74.9 Å²
HS code	38229090
InChIKey	WOXKDUGGOYFFRN-IERDGZPVSA-N
SMILES	CN1CC(=O)N2[C@@H](C1=O)CC3=C([C@@H]2C4=CC5=C(C=C4)OCO5)NC6=CC=CC=C36
PubChem CID	9865139
Synonyms	Tadalafil - Impurity C, cis-Tadalafil, Tadalafil, (6S,12AR)-, Tadalafil 6S,12ar diastereomer, Tadalafil impurity C, Tadalafil Impurity C (cis-ent-Tadalafil), Tadalafil, (6S ,12aR)-, 6-epi-Tadalafil, Tadalafil 6S ,12ar diastereomer, (+)-Tadalafil 6S ,12ar diastereomer, (6S ,12ar)-tadalafil, Tadalafil IMpurity: IMpurity F

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 EP Impurity C
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 EP Impurity C

Which CAS number identifies Tadalafil EP Impurity C?

Tadalafil EP Impurity C is registered under CAS 171596-28-4. You may also see it listed as Tadalafil - Impurity C, cis-Tadalafil, Tadalafil, (6S,12AR)-. Our catalogue number for this item is ZX-027079.

What are the formula and molar mass of Tadalafil EP Impurity C?

For Tadalafil EP Impurity C, its formula is C22H19N3O4 and its molar mass is 389.4 g/mol. The systematic (IUPAC) name is (2S,8R)-2-(1,3-benzodioxol-5-yl)-6-methyl-3,6,17-triazatetracyclo[8.7.0.03,8.011,16]heptadeca-1(10),11,13,15-tetraene-4,7-dione. InChIKey WOXKDUGGOYFFRN-IERDGZPVSA-N lets you match it in any structure database.

How is Tadalafil EP Impurity C used in pharmaceutical QC?

Tadalafil EP Impurity C 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 EP Impurity C?

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 EP Impurity C?

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 EP Impurity C to my country?

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

More Tadalafil standards

More in Pharmacopeial Impurities (EP / USP / BP)

N-Desmethyl Tadalafil

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

ZX-027078

Tadalafil EP Impurity I

CAS: 2378614-29-8
Formula: C₂₂H₁₉N₃O₅
MW: 405.4 g/mol

ZX-027080

Tadalafil EP Impurity G

CAS: 2520114-46-7
Formula: C₂₂H₁₇N₃O₅
MW: 403.4 g/mol

ZX-027081

Tadalafil Desmethylene Impurity

CAS: 171489-03-5
Formula: C₂₁H₁₉N₃O₄
MW: 377.4 g/mol

ZX-027082

(1R,3R)-9H-Pyrido[3,4-B]indole-3-carboxylic acid, 1,2,3,4-tetrahydro-1-(3,4-methylenedioxyphenyl), methyl ester, hydrochloride

CAS: 171752-68-4
Formula: C₂₀H₁₉ClN₂O₄
MW: 386.8 g/mol

ZX-027083

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

CAS: 951661-82-8
Formula: C₂₀H₁₉N₃O₃
MW: 349.4 g/mol

ZX-027084

Tadalafil Related Compound 2

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

ZX-027085

(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

ZX-027086

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