Skip to main content

Levonorgestrel

Also known as: (-)-Norgestrel, D(-)-Norgestrel, D-Norgestrel, Levonelle, Microlut, Microval, Mirena, Norplant, Postinor, Follistrel, Microluton, Norplant 2, Norplant II, Jadelle, Plan B, Ovrette

Levonorgestrel (CAS 797-63-7) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C21H28O2 and a molecular weight of 312.446 g/mol. Key properties include a melting point of 206ºC, a boiling point of 459.1±45.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 195.4±21.3 °C. It is classified under GHS with signal word Danger and hazard statements H312 — Harmful in contact with skin, H332 — Harmful if inhaled and H351 — Suspected of causing cancer. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
797-63-7
Jingsj CID
J-25366-7
Molecular Formula
C21H28O2
Molecular Weight
312.446 g/mol
Category
Ketones
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point206ºC
Boiling Point459.1±45.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point195.4±21.3 °C
Exact Mass312.208923
PSA37.30000
LogP3.92
Vapor Pressure0.0±2.6 mmHg at 25°C
Refractive Index1.571
Storage Conditions2-8°C

GHS Safety & Compliance

Irritant / Health HazardSignal word: Danger
  • H312 — Harmful in contact with skin
  • H332 — Harmful if inhaled
  • H351 — Suspected of causing cancer
  • H360 — May damage fertility or the unborn child

Activity & Biological Data

Additional Information[1]. Gallos, I.D., et al., Oral progestogens vs levonorgestrel-releasing intrauterine system for endometrial hyperplasia: a systematic review and metaanalysis. Am J Obstet Gynecol, 2010. 203(6): p. 547 e1-10.

Customs & Trade Information

HS Code2937290090

Frequently Asked Questions

What is the CAS number of Levonorgestrel?

The CAS number of Levonorgestrel is 797-63-7.

What are the molecular formula and molecular weight of Levonorgestrel?

Levonorgestrel has molecular formula C21H28O2 and molecular weight 312.446 g/mol.

Is Levonorgestrel hazardous?

Levonorgestrel has GHS signal word Danger and hazard statements H312 — Harmful in contact with skin; H332 — Harmful if inhaled; H351 — Suspected of causing cancer.

What are the upstream and downstream products of Levonorgestrel?

For Levonorgestrel, Upstream Products: 13-ethyl-3-methoxygona-2,5(10)-dien-17β-ol, 13-Ethyl-3-methoxygona-1,3,5(10),8-tetraen-17beta-ol, Methoxydienone; Downstream Products: Ethylmetrienone, 18-Methyl-estrone, D-Ethylgonendione.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Levonorgestrel (CAS 797-63-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-25366-7 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.