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Safety Information

E2661

Sigma-Aldrich

Estropipate

≥98% (HPLC), powder

Synonym(s):

Estropipate, 3-(Sulfooxy)-estra-1,3,5(10)-trien-17-one : piperazine (1:1), Estrone sulfate piperazine salt, Harmogen, Ogen

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About This Item

Empirical Formula (Hill Notation):
C18H22O5S·C4H10N2
CAS Number:
7280-37-7
Molecular Weight:
436.56
EC Number:
230-696-3
MDL number:
MFCD00867399
UNSPSC Code:
51111800
PubChem Substance ID:
329799036
NACRES:
NA.77

Assay

≥98% (HPLC)

form

powder

optical activity

[α]/D 100 to 120°, c = 1 in DMSO

color

white to tan

solubility

DMSO: ≥24 mg/mL

originator

Johnson & Johnson

storage temp.

2-8°C

SMILES string

C1CNCCN1.C[C@]23CC[C@H]4[C@@H](CCc5cc(OS(O)(=O)=O)ccc45)[C@@H]2CCC3=O

InChI

1S/C18H22O5S.C4H10N2/c1-18-9-8-14-13-5-3-12(23-24(20,21)22)10-11(13)2-4-15(14)16(18)6-7-17(18)19;1-2-6-4-3-5-1/h3,5,10,14-16H,2,4,6-9H2,1H3,(H,20,21,22);5-6H,1-4H2/t14-,15-,16+,18+;/m1./s1

InChI key

HZEQBCVBILBTEP-ZFINNJDLSA-N

Gene Information

human ... ESR1(2099)

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Biochem/physiol Actions

Estropipate is the piperazine salt of the estrogen receptor agonist estrone-3-sulfate and a potent, specific inhibitor of the organic anion transporting polypeptide 1B1 (OATP1B1, IC50 = 60 nM).

Features and Benefits

This compound is a featured product for ADME Tox research. Click here to discover more featured ADME Tox products. Learn more about bioactive small molecules for other areas of research at sigma.com/discover-bsm.
This compound is featured on the Nuclear Receptors (Steroids) page of the Handbook of Receptor Classification and Signal Transduction. To browse other handbook pages, click here.
This compound was developed by Johnson & Johnson. To browse the list of other pharma-developed compounds and Approved Drugs/Drug Candidates, click here.

Pictograms

Health hazardExclamation mark
GHS08,GHS07

Signal Word

Danger

Hazard Statements

H302,H350

Hazard Classifications

Acute Tox. 4 Oral - Carc. 1A

Storage Class Code

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

E2661-BULK:
E2661-5MG:
E2661-VAR:
E2661-25MG:

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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