Norgestimate

Also known as: 13-ethyl-17-ethynyl-3-hydroxyimino-1,2,6,7,8,9,10,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-17-yl acetate, (17-alpha)-17-(acetyloxy)-13-ethyl-18,19-dinorpregn-4-en-20-yn-3-one3-oxime, (17α)-17-(Acetyloxy)-13-ethyl-18,19-dinorpregn-4-en-20-yn-3-one 3-Oxime, (3E,8R,9S,10R,13S,14S,17R)-13-Ethyl-17-ethynyl-3-(hydroxyimino)-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl acetate, levonorgestrel acetate 3-oxime, dexnorgestrelacetim, D-138

Norgestimate (CAS 35189-28-7) is a compound in the Esters category listed in the Jingsj chemical database. It has the molecular formula C23H31NO3 and a molecular weight of 369.497 g/mol. Key properties include a melting point of 216ºC, a boiling point of 497.9±45.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 254.9±28.7 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 35189-28-7
Jingsj CID: J-1986833-8
Molecular Formula: C₂₃H₃₁NO₃
Molecular Weight: 369.497 g/mol
Category: Esters
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	216ºC
Boiling Point	497.9±45.0 °C at 760 mmHg
Density	1.2±0.1 g/cm3
Flash Point	254.9±28.7 °C
Exact Mass	369.230408
PSA	58.89000
LogP	5.00
Vapor Pressure	0.0±2.9 mmHg at 25°C
Refractive Index	1.611

GHS Safety & Compliance

Irritant / Health HazardSignal word: Warning

H302 — Harmful if swallowed
H315 — Causes skin irritation
H319 — Causes serious eye irritation

Activity & Biological Data

Additional Information	[1]. Stanczyk FZ, et al. All progestins are not created equal. Steroids. 2003 Nov;68(10-13):879-90. [2]. Phillips A, et al. Preclinical evaluation of norgestimate, a progestin with minimal androgenic activity. Am J Obstet Gynecol. 1992 Oct;167(4 Pt 2):1191-6.

Frequently Asked Questions

What is the CAS number of Norgestimate?

The CAS number of Norgestimate is 35189-28-7.

What are the molecular formula and molecular weight of Norgestimate?

Norgestimate has molecular formula C23H31NO3 and molecular weight 369.497 g/mol.

Is Norgestimate hazardous?

Norgestimate has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H319 — Causes serious eye irritation.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Norgestimate (CAS 35189-28-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1986833-8 (accessed 2026-11-06).

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