Estropipate

Name: Estropipate
Brand: Vaqora Chemicals
SKU: VQ-048282

About Estropipate

Estropipate (CAS 7280-37-7) is an API reference standard offered by Vaqora Chemicals. Its molecular formula is C22H32N2O5S and its molecular weight is 436.6 g/mol. It is also known as Piperazine estrone sulfate or Sulestrex piperazine.

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. It carries the GHS signal word “Danger” with 5 hazard statements. Review the Safety Data Sheet before use.

Laboratories use this the parent drug substance standard for identity and assay testing, system suitability checks and method validation supporting ANDA and DMF filings. 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

Identification & assay
Method development & validation
QC reference material

Industries

Specifications & identifiers

Chemical identifiers
Product name	Estropipate
Catalogue No.	VQ-048282
CAS Number	7280-37-7
IUPAC name	[(8R,9S,13S,14S)-13-methyl-17-oxo-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthren-3-yl] hydrogen sulfate;piperazine
Molecular formula	C₂₂H₃₂N₂O₅S
Molecular weight	436.6 g/mol
Exact mass	436.2032
Grade	Reference Standard
HSN code	38229090
InChIKey	HZEQBCVBILBTEP-ZFINNJDLSA-N
SMILES	C[C@]12CC[C@H]3[C@H]([C@@H]1CCC2=O)CCC4=C3C=CC(=C4)OS(=O)(=O)O.C1CNCCN1
PubChem CID	5284555

Physical properties
Physical form	Solid
H-bond donors / acceptors	3 / 7
TPSA	113 Å²
Synonyms	Piperazine estrone sulfate, Sulestrex piperazine, Estrone sulfate piperazine salt, piperazine estrone sulphate, OGEN 5, OGEN 2.5, OGEN .625, OGEN 1.25, Estrone Hydrogen Sulfate compound with Piperazine(1:1), Piperazine, compound with 3-(Sulfooxy)estra-1,3,5(10)-trien-17-one(1:1), Ortho-Est, Estra-1,3,5(10)-trien-17-one 3-sulphate, compound with Piperazine(1:1), Ortho-Est

Safety & hazard information (GHS)

Harmful / irritant

Health hazard

Signal word: Danger

Hazard statements

H302Harmful if swallowed
H350May cause cancer
H351Suspected of causing cancer
H360May damage fertility or the unborn child
H362May cause harm to breast-fed children

Precautionary statements: P203, P260, P263, P264, P270, P280, P301 + P317, P318, P330, 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 Estropipate?

The CAS Registry Number of Estropipate is 7280-37-7. It is also known as Piperazine estrone sulfate, Sulestrex piperazine, Estrone sulfate piperazine salt.

What is the molecular formula and molecular weight of Estropipate?

Estropipate has the molecular formula C22H32N2O5S and a molecular weight of 436.6 g/mol.

Which grade and pack sizes of Estropipate can I order?

We supply Estropipate 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 Estropipate?

Yes. Every lot of Estropipate 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 Estropipate be shipped internationally?

Yes. Estropipate 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.