Skip to Content
Merck

Key Documents

View All Documentation

1238002

USP

Equilin

United States Pharmacopeia (USP) Reference Standard

Synonym(s):

1,3,5(10),7-Estratetraen-3-ol-17-one, 3-Hydroxy-1,3,5(10),7-estratetraen-17-one, 7-Dehydroestrone

Sign In to View Organizational & Contract Pricing.

Select a Size

Change View

About This Item

Empirical Formula (Hill Notation):
C18H20O2
CAS Number:
474-86-2
Molecular Weight:
268.35
UNSPSC Code:
41116107
NACRES:
NA.24
PubChem Substance ID:
329749733
MDL number:
MFCD00046223
Beilstein/REAXYS Number:
2624302
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

grade

pharmaceutical primary standard

API family

equilin

manufacturer/tradename

USP

mp

238-240 °C (lit.)

application(s)

pharmaceutical (small molecule)

format

neat

storage temp.

2-8°C

SMILES string

C[C@]12CC[C@H]3C(=CCc4cc(O)ccc34)[C@@H]1CCC2=O

InChI

1S/C18H20O2/c1-18-9-8-14-13-5-3-12(19)10-11(13)2-4-15(14)16(18)6-7-17(18)20/h3-5,10,14,16,19H,2,6-9H2,1H3/t14-,16+,18+/m1/s1

InChI key

WKRLQDKEXYKHJB-HFTRVMKXSA-N

General description

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia.For further information and support please go to the website of the issuing Pharmacopoeia.

Application

Equilin USP reference standard, intended for use in specified quality tests and assays as specified in the USP compendia. Also, for use with USP monographs such as:
  • Conjugated Estrogens
  • Conjugated Estrogens Tablets
  • Equilin
  • Esterified Estrogens
  • Esterified Estrogens Tablets

Analysis Note

These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind.  ​

Other Notes

Sales restrictions may apply.

Still not finding the right product?

Explore all of our products under Equilin

pictograms

Health hazard
GHS08

signalword

Warning

Hazard Classifications

Carc. 2 - Lact. - Repr. 2

Storage Class

11 - Combustible Solids

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.

1238002-25MG:

jan

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

It looks like we've run into a problem, but you can still download Certificates of Analysis from our Documents section.

If you need assistance, please contact Customer Support

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library