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Antidiabetic, Hormone & Metabolic APIs

Tadalafil

IP/BP/USPAvailable on request

Buy Tadalafil (CAS 171596-29-5) from Zemixal. Lab and bulk packs, batch COA, fast global delivery. Ships from India to 120+ countries.

Pack sizes
Tadalafil chemical structure
CAS number171596-29-5
FormulaC22H19N3O4
Molar mass389.4 g/mol
Physical formPowder
HS code2933
InChIKeyWOXKDUGGOYFFRN-IIBYNOLFSA-N
IUPAC name(2R,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

Tadalafil sits in our antidiabetic, Hormone & Metabolic APIs section and ships worldwide from stock or short lead time. Key data (IP/BP/USP): CAS 171596-29-5, formula C22H19N3O4 and molar mass 389.4 g/mol. It is handled as a powder.

Use cases we see most often

  • Pharmaceutical formulation
  • Generic drug development

Handling and storage

It carries the GHS signal word Warning (H302, H312, H315 and H319), so wear gloves and eye protection and work with good ventilation.

Order it in 1 kg, 5 kg and 25 kg packs or ask for a bulk quotation. You receive a batch certificate of analysis and a 16-section SDS with each order. 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

  • Pharmaceutical formulation
  • Generic drug development

Applications

Pharmaceutical Manufacturing and QC

Grade guides

IP Grade (Indian Pharmacopoeia)BP Grade (British Pharmacopoeia)USP Grade (United States Pharmacopeia)

Specifications and identifiers

Specifications of Tadalafil
Product nameTadalafil
Catalogue numberZX-004148
CAS number171596-29-5
IUPAC name(2R,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 formulaC22H19N3O4
Molar mass389.4 g/mol
Exact mass389.1376
GradeIP/BP/USP
Physical formPowder
XLogP32.3
H-bond donors / acceptors1 / 4
Topological polar surface area74.9 Ų
HS code2933
InChIKeyWOXKDUGGOYFFRN-IIBYNOLFSA-N
SMILESCN1CC(=O)N2[C@@H](C1=O)CC3=C([C@H]2C4=CC5=C(C=C4)OCO5)NC6=CC=CC=C36
PubChem CID110635
SynonymsIC-351, Tadalafil mylan, Trans-tadalafil, IC 351, ICOS 351, Tadalafil Lilly, Cialis (TN), Tadalafil bulk, Tadalafil API, Tadalafil CRS, Tadalafil USP, 1xoz

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

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful

Signal word Warning

  • H302Harmful if swallowed
  • H312Harmful in contact with skin
  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H332Harmful if inhaled
  • H335May cause respiratory irritation

Precautionary statements P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P317, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Tadalafil
1 kgQuoted on request
5 kgQuoted on request
25 kgQuoted 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

Which CAS number identifies Tadalafil?
Tadalafil is registered under CAS 171596-29-5. You may also see it listed as IC-351, Tadalafil mylan, Trans-tadalafil. Our catalogue number for this item is ZX-004148.
What are the formula and molar mass of Tadalafil?
For Tadalafil, its formula is C22H19N3O4 and its molar mass is 389.4 g/mol. The systematic (IUPAC) name is (2R,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-IIBYNOLFSA-N lets you match it in any structure database.
How is Tadalafil used in pharmaceutical QC?
Tadalafil 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?
This listing is IP/BP/USP grade. Standard packs are 1 kg, 5 kg, 25 kg. Larger quantities and custom packing can be quoted on request.
Which documents come with Tadalafil?
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 to my country?
Yes. Because Tadalafil is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

Other grades with CAS 171596-29-5

More Tadalafil standards

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