Skip to Content
Merck
All Photos(1)

Documents

1362602

USP

Levonorgestrel

United States Pharmacopeia (USP) Reference Standard

Synonym(s):

D(−)-Norgestrel, 13β-Ethyl-17α-ethynyl-17β-hydroxygon-4-en-3-one, 17α-Ethynyl-18-homo-19-nor-testosterone, 18,19-Dinor-13β-ethyl-17β-hydroxy-4-pregnen-20-yn-3-one, 18,19-Dinor-4-pregnen-20-yn-3-one, Levonorgestrel

Sign Into View Organizational & Contract Pricing


About This Item

Empirical Formula (Hill Notation):
C21H28O2
CAS Number:
Molecular Weight:
312.45
MDL number:
UNSPSC Code:
41116107
PubChem Substance ID:
NACRES:
NA.24

grade

pharmaceutical primary standard

API family

levonorgestrel

manufacturer/tradename

USP

application(s)

pharmaceutical (small molecule)

format

neat

SMILES string

CC[C@]12CC[C@H]3[C@@H](CCC4=CC(=O)CC[C@H]34)[C@@H]1CC[C@@]2(O)C#C

InChI

1S/C21H28O2/c1-3-20-11-9-17-16-8-6-15(22)13-14(16)5-7-18(17)19(20)10-12-21(20,23)4-2/h2,13,16-19,23H,3,5-12H2,1H3/t16-,17+,18+,19-,20-,21-/m0/s1

InChI key

WWYNJERNGUHSAO-XUDSTZEESA-N

Gene Information

human ... PGR(5241)

Looking for similar products? Visit Product Comparison Guide

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

Levonorgestrel USP reference standard, intended for use in specified quality tests and assays as specified in the USP compendia.

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.

Pictograms

Health hazard

Signal Word

Danger

Hazard Statements

Hazard Classifications

Carc. 2 - Lact. - Repr. 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


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’.

Already Own This Product?

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

Visit the Document Library

Diana Mansour
Contraception, 85(3), 224-234 (2011-11-10)
The contraceptive profile of the levonorgestrel-releasing intrauterine system (LNG-IUS; Mirena®) is well established, with efficacy similar to that achieved with sterilization and rapid return to fertility after discontinuation of use. The LNG-IUS is typically associated with transient menstrual disturbance during
Woraluk Somboonporn et al.
Menopause (New York, N.Y.), 18(10), 1060-1066 (2011-07-02)
The objective of this study was to compare the effects of the levonorgestrel-releasing intrauterine system (LNG-IUS) with those of systemic progestogen in perimenopausal and postmenopausal women taking systemic estrogen therapy (ET). We searched Medline (August 8, 2009), Embase (August 8
Elizabeth G Raymond et al.
Obstetrics and gynecology, 117(3), 673-681 (2011-02-24)
To determine the effectiveness and safety of repeated precoital and postcoital use of levonorgestrel for pregnancy prevention. We searched eight computerized databases for studies that evaluated oral hormones taken for contraception immediately before or after each coital act during one
Elizabeth A McCarthy et al.
Contraception, 86(5), 587-590 (2012-04-14)
Correctly placed levonorgestrel-releasing intrauterine systems (LNG-IUSs) are rarely associated with intrauterine pregnancy when pregnancy occurs. LNG-IUS retrieval, termination of pregnancy and conservative management if retracted strings prevent ready removal are the usual clinical options given to women. The conservative course
Richard F Lowe et al.
Contraception, 87(4), 486-496 (2012-11-06)
The use of intrauterine devices as a contraceptive method has been steadily growing in developing countries. Anemia in reproductive-age women is a growing concern in those settings. A systematic review of studies with measured hemoglobin and serum ferritin at baseline

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service