Pricing Availability   Qty
Description: Synthetic progesterone analog
Chemical Name: (17α)-13-Ethyl-17-hydroxy-18,19-dinorpregn-4-en-20-yn-3-one
Purity: ≥98% (HPLC)
Literature (2)

Biological Activity for Levonorgestrel

Levonorgestrel is a synthetic progesterone analog; binds to the progesterone receptor (relative binding affinities are < 0.02, 7.5, 17, 58 and 323 % for estrogen receptors, glucocorticoid receptors, mineralocorticoid receptors, androgen receptors and progesterone receptors respectively).

Compound Libraries for Levonorgestrel

Levonorgestrel is also offered as part of the Tocriscreen FDA-Approved Drugs. Find out more about compound libraries available from Tocris.

Technical Data for Levonorgestrel

M. Wt 312.45
Formula C21H28O2
Storage Store at +4°C
Purity ≥98% (HPLC)
CAS Number 797-63-7
PubChem ID 13109
Smiles [H][C@@]12C(CC[C@]3([H])[C@@]([H])2CC[C@@]4(CC)[C@]([H])3CC[C@@](C#C)4O)=CC(CC1)=O

The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.

Tocris products are intended for laboratory research use only, unless stated otherwise.

Solubility Data for Levonorgestrel

Solvent Max Conc. mg/mL Max Conc. mM
DMSO 31.25 100

Preparing Stock Solutions for Levonorgestrel

The following data is based on the product molecular weight 312.45. Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.

Select a batch to recalculate based on the batch molecular weight:
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 3.2 mL 16 mL 32.01 mL
5 mM 0.64 mL 3.2 mL 6.4 mL
10 mM 0.32 mL 1.6 mL 3.2 mL
50 mM 0.06 mL 0.32 mL 0.64 mL

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Product Datasheets for Levonorgestrel

References for Levonorgestrel

References are publications that support the biological activity of the product.

Sitruk-Ware et al (2006) New progestagens for contraceptive use. Hum.Reprod.Update 12 169 PMID: 16291771

If you know of a relevant reference for Levonorgestrel, please let us know.

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Keywords: Levonorgestrel, Levonorgestrel supplier, synthetic, progesterone, receptors, progestin, progestogen, analogs, Progesterone, Receptor, 4833, Tocris Bioscience

⚠ WARNING: This product can expose you to chemicals including Levonorgestrel implants, which is known to the State of California to cause reproductive toxicity with developmental effects. For more information, go to www.P65Warnings.ca.gov

Citations for Levonorgestrel

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Currently there are no citations for Levonorgestrel. Do you know of a great paper that uses Levonorgestrel from Tocris? Please let us know.

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Literature in this Area

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