Chloropretadalafil

Name: Chloropretadalafil
Brand: Vaqora Chemicals
SKU: VQ-023821

About Chloropretadalafil

Vaqora Chemicals supplies Chloropretadalafil, an impurity of Tadalafil registered under CAS number 171489-59-1. Its molecular formula is C22H19ClN2O5 and its molecular weight is 426.8 g/mol. The IUPAC name is methyl (1R,3R)-1-(1,3-benzodioxol-5-yl)-2-(2-chloroacetyl)-1,3,4,9-tetrahydropyrido[3,4-b]indole-3-carboxylate. Common synonyms include rel-Chloropretadalafil and 2,5-dimethoxy.

The product is provided as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

This Tadalafil impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

We offer Chloropretadalafil in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Related to Tadalafil

View every impurity, metabolite and intermediate we list for Tadalafil.

Tadalafil impurities

Specifications & identifiers

Chemical identifiers
Product name	Chloropretadalafil
Catalogue No.	VQ-023821
CAS Number	171489-59-1
IUPAC name	methyl (1R,3R)-1-(1,3-benzodioxol-5-yl)-2-(2-chloroacetyl)-1,3,4,9-tetrahydropyrido[3,4-b]indole-3-carboxylate
Molecular formula	C₂₂H₁₉ClN₂O₅
Molecular weight	426.8 g/mol
Exact mass	426.0982
Grade	Reference Standard
HSN code	38229090
InChIKey	JUKHNCNDFOAFLT-IIBYNOLFSA-N
SMILES	COC(=O)[C@H]1CC2=C([C@H](N1C(=O)CCl)C3=CC4=C(C=C3)OCO4)NC5=CC=CC=C25
PubChem CID	10873617

Physical properties
Physical form	Solid
LogP (XLogP3)	3.5
H-bond donors / acceptors	1 / 5
TPSA	80.9 Å²

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

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

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Chloropretadalafil?

The CAS Registry Number of Chloropretadalafil is 171489-59-1. It is also known as rel-Chloropretadalafil, 2,5-dimethoxy.

What is the molecular formula and molecular weight of Chloropretadalafil?

Chloropretadalafil has the molecular formula C22H19ClN2O5 and a molecular weight of 426.8 g/mol. Its IUPAC name is methyl (1R,3R)-1-(1,3-benzodioxol-5-yl)-2-(2-chloroacetyl)-1,3,4,9-tetrahydropyrido[3,4-b]indole-3-carboxylate.

What is Chloropretadalafil used for?

Chloropretadalafil is supplied as a characterised reference material related to Tadalafil. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Chloropretadalafil can I order?

We supply Chloropretadalafil in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Chloropretadalafil?

Yes. Every lot of Chloropretadalafil is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Chloropretadalafil be shipped internationally?

Yes. Chloropretadalafil is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.