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Pharmacopeial Impurities (EP / USP / BP)

Tadalafil EP Impurity B

Reference StandardAvailable on request

Buy Tadalafil EP Impurity B (CAS 629652-72-8) from Zemixal. Lab and bulk packs, batch COA, fast global delivery. Quotes within one business day.

Pack sizes
Tadalafil EP Impurity B chemical structure
CAS number629652-72-8
FormulaC22H19N3O4
Molar mass389.4 g/mol
Physical formSolid
HS code38229090
InChIKeyWOXKDUGGOYFFRN-KKSFZXQISA-N
IUPAC name(2S,8S)-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 B

Zemixal lists Tadalafil EP Impurity B for laboratories that identify, quantify or control Tadalafil and its related substances. Identity at a glance (Reference Standard): CAS 629652-72-8, formula C22H19N3O4 and molar mass 389.4 g/mol. It is handled as a solid.

Typical applications

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

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. Every shipment includes a certificate of analysis with characterisation data. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

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 QCResearch Labs and Universities

Grade guides

Ph. Eur. Grade (European Pharmacopoeia)

Specifications and identifiers

Specifications of Tadalafil EP Impurity B
Product nameTadalafil EP Impurity B
Catalogue numberZX-022838
CAS number629652-72-8
IUPAC name(2S,8S)-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 formulaC22H19N3O4
Molar mass389.4 g/mol
Exact mass389.1376
GradeReference Standard
Physical formSolid
XLogP32.3
H-bond donors / acceptors1 / 4
Topological polar surface area74.9 Ų
HS code38229090
InChIKeyWOXKDUGGOYFFRN-KKSFZXQISA-N
SMILESCN1CC(=O)N2[C@H](C1=O)CC3=C([C@@H]2C4=CC5=C(C=C4)OCO5)NC6=CC=CC=C36
PubChem CID9908373
SynonymsTadalafil - Impurity B, ent-Tadalafil, Tadalafil, (6S,12AS)-, Tadalafil Impurity B, Tadalafil, (6S ,12aS)-, Tadalafil 6S ,12as enantiomer, L-Tadalafi, (6S ,12as)-tadalafil, ent-IC-351, EX-A2847

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 B
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted 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 B

Which CAS number identifies Tadalafil EP Impurity B?
Tadalafil EP Impurity B is registered under CAS 629652-72-8. You may also see it listed as Tadalafil - Impurity B, ent-Tadalafil, Tadalafil, (6S,12AS)-. Our catalogue number for this item is ZX-022838.
What are the formula and molar mass of Tadalafil EP Impurity B?
For Tadalafil EP Impurity B, its formula is C22H19N3O4 and its molar mass is 389.4 g/mol. The systematic (IUPAC) name is (2S,8S)-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-KKSFZXQISA-N lets you match it in any structure database.
How is Tadalafil EP Impurity B used in pharmaceutical QC?
Tadalafil EP Impurity B 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 B?
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 B?
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 B to my country?
Yes. Tadalafil EP Impurity B ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

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