Stanozolol EP Impurity B

Name: Stanozolol EP Impurity B
Brand: Vaqora Chemicals
SKU: VQ-043607

About Stanozolol EP Impurity B

Listed under CAS 434-07-1, Stanozolol EP Impurity B is a pharmacopeial impurity of Stanozolol available from Vaqora Chemicals. With the molecular formula C21H32O3, it has a molar mass of 332.5 g/mol. It is also known as Oxymetholone or Stanozolol EP Impurity B (Free Base).

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

Pharmaceutical QC and development laboratories use this impurity standard of Stanozolol to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. It is used across pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

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

Industries

Related to Stanozolol

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

Stanozolol impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Stanozolol EP Impurity B
Catalogue No.	VQ-043607
CAS Number	434-07-1
IUPAC name	(2Z,5S,8R,9S,10S,13S,14S,17S)-17-hydroxy-2-(hydroxymethylidene)-10,13,17-trimethyl-1,4,5,6,7,8,9,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-3-one
Molecular formula	C₂₁H₃₂O₃
Molecular weight	332.5 g/mol
Exact mass	332.2351
Grade	Reference Standard
HSN code	38229090
InChIKey	ICMWWNHDUZJFDW-DHODBPELSA-N
SMILES	C[C@]12CC[C@H]3[C@H]([C@@H]1CC[C@]2(C)O)CC[C@@H]4[C@@]3(C/C(=C/O)/C(=O)C4)C
PubChem CID	5281034

Physical properties
Physical form	Solid
LogP (XLogP3)	4.4
H-bond donors / acceptors	2 / 3
TPSA	57.5 Å²
Synonyms	Oxymetholone, Stanozolol EP Impurity B (Free Base), Stanozolol - Impurity B, Protanabol, Anadrol, Anadrol-50, Oxymethenolone, Roboral, Oxymethalone, Adroidin, Anasteronal, Methabol

Safety & hazard information (GHS)

Health hazard

Signal word: Warning

Hazard statements

H351Suspected of causing cancer
H361Suspected of damaging fertility or the unborn child

Precautionary statements: P203, P280, P318, 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 Stanozolol EP Impurity B?

The CAS Registry Number of Stanozolol EP Impurity B is 434-07-1. It is also known as Oxymetholone, Stanozolol EP Impurity B (Free Base), Stanozolol - Impurity B.

What is the molecular formula and molecular weight of Stanozolol EP Impurity B?

Stanozolol EP Impurity B has the molecular formula C21H32O3 and a molecular weight of 332.5 g/mol. Its IUPAC name is (2Z,5S,8R,9S,10S,13S,14S,17S)-17-hydroxy-2-(hydroxymethylidene)-10,13,17-trimethyl-1,4,5,6,7,8,9,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-3-one.

What is Stanozolol EP Impurity B used for?

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

We supply Stanozolol EP Impurity B 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 Stanozolol EP Impurity B?

Yes. Every lot of Stanozolol EP Impurity B 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 Stanozolol EP Impurity B be shipped internationally?

Yes. Stanozolol EP Impurity B 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.