Finasteride EP Impurity A

Name: Finasteride EP Impurity A
Brand: Vaqora Chemicals
SKU: VQ-025781

About Finasteride EP Impurity A

Vaqora Chemicals supplies Finasteride EP Impurity A, a pharmacopeial impurity of Finasteride registered under CAS number 98319-24-5. With the molecular formula C23H38N2O2, it has a molar mass of 374.6 g/mol. It is also known as Finasteride Impurity A or Dihydrofinasteride.

The product is provided as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

This Finasteride impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. It is used across pharmaceutical manufacturing and academic and industrial research.

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

Typical applications

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

Industries

Related to Finasteride

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

Finasteride impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Finasteride EP Impurity A
Catalogue No.	VQ-025781
CAS Number	98319-24-5
IUPAC name	(1S,3aS,3bS,5aR,9aR,9bS,11aS)-N-tert-butyl-9a,11a-dimethyl-7-oxo-1,2,3,3a,3b,4,5,5a,6,8,9,9b,10,11-tetradecahydroindeno[5,4-f]quinoline-1-carboxamide
Molecular formula	C₂₃H₃₈N₂O₂
Molecular weight	374.6 g/mol
Exact mass	374.2933
Grade	Reference Standard
HSN code	38229090
InChIKey	ZOIUUCNFVDJSJK-WSBQPABSSA-N
SMILES	C[C@]12CC[C@H]3[C@H]([C@@H]1CC[C@@H]2C(=O)NC(C)(C)C)CC[C@@H]4[C@@]3(CCC(=O)N4)C
PubChem CID	9864387

Physical properties
Physical form	Solid
LogP (XLogP3)	4
H-bond donors / acceptors	2 / 2
TPSA	58.2 Å²
Synonyms	Finasteride Impurity A, Dihydrofinasteride, Finasteride - Impurity A, Dihydro Finasteride, 1,2-Dihydrofinasteride, 3-Oxo-4-aza-5-alpha-androstane-17-beta-N-t-butylcarboxamide, (5, A,17, A)-N-(1,1-Dimethylethyl)-3-oxo-4-aza-androstane-17-carboxamide, 3-oxo-4-aza-5a-androstane-17beta-(n-t-butylcarboxamide), EX-A1946, 17beta-(tert-Butylcarbamoyl)-4-aza-5alpha-androstan-3-one

Safety & hazard information (GHS)

Harmful / irritant

Health hazard

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H312Harmful in contact with skin
H315Causes skin irritation
H319Causes serious eye irritation
H332Harmful if inhaled
H335May cause respiratory irritation
H341Suspected of causing genetic defects

Precautionary statements: P203, P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P317, P318, P319, P321, P330, 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 Finasteride EP Impurity A?

The CAS Registry Number of Finasteride EP Impurity A is 98319-24-5. It is also known as Finasteride Impurity A, Dihydrofinasteride, Finasteride - Impurity A.

What is the molecular formula and molecular weight of Finasteride EP Impurity A?

Finasteride EP Impurity A has the molecular formula C23H38N2O2 and a molecular weight of 374.6 g/mol. Its IUPAC name is (1S,3aS,3bS,5aR,9aR,9bS,11aS)-N-tert-butyl-9a,11a-dimethyl-7-oxo-1,2,3,3a,3b,4,5,5a,6,8,9,9b,10,11-tetradecahydroindeno[5,4-f]quinoline-1-carboxamide.

What is Finasteride EP Impurity A used for?

Finasteride EP Impurity A is supplied as a characterised reference material related to Finasteride. 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 Finasteride EP Impurity A can I order?

We supply Finasteride EP Impurity A 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 Finasteride EP Impurity A?

Yes. Every lot of Finasteride EP Impurity A 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 Finasteride EP Impurity A be shipped internationally?

Yes. Finasteride EP Impurity A 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.