Cyclobuxine D

环黄杨碱 D

Also known as: cyclobuxine, cyclobuxine-d, 9,19-Cyclopregnan-16-ol, 14-methyl-3,20-bis(methylamino)-4-methylene-, (3β,5α,16α,20S)-, (3beta,5alpha,16alpha,20S)-14-Methyl-3,20-bis(methylamino)-4-methylene-9,19-cyclopregnan-16-ol, NSC 91720, NSC-102244

Cyclobuxine D (CAS 2241-90-9) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C25H42N2O and a molecular weight of 386.61400 g/mol. It is also known as cyclobuxine, cyclobuxine-d and 9,19-Cyclopregnan-16-ol, 14-methyl-3,20-bis(methylamino)-4-methylene-, (3β,5α,16α,20S)-. Key properties include a melting point of 236-238ºC, a boiling point of 494.2ºC at 760mmHg, a density of 1.08g/cm3 and a flash point of 53.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 2241-90-9
Jingsj CID: J-1973184-3
Molecular Formula: C₂₅H₄₂N₂O
Chinese Name: 环黄杨碱 D
Molecular Weight: 386.61400 g/mol
Category: Organic Bases
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	236-238ºC
Boiling Point	494.2ºC at 760mmHg
Density	1.08g/cm3
Flash Point	53.5ºC
Exact Mass	386.33000
PSA	44.29000
LogP	4.90400
Vapor Pressure	7.7E-12mmHg at 25°C
Refractive Index	1.561

Activity & Biological Data

Additional Information	[1]. . A. Eshonov, et al. Alkaloids of Buxus sempervirens, Crystal and Molecular Structure of Cyclobuxine-D and Imperialine. Chemistry of Natural Compounds. 12 January 2014. 49:11791182. [2]. Kwon, Jun-Tack, et al. Effects of Cyclobuxine D on Drug-Induced Contractions of the Isolated Rat Uterine Muscle and Potassium-Activated Calcium Channels in an Intestinal Smooth Muscle. The Korean Journal of Pharmacology. 1988. 24 (1): 103-109.

Additional Information

[1]. . A. Eshonov, et al. Alkaloids of Buxus sempervirens, Crystal and Molecular Structure of Cyclobuxine-D and Imperialine. Chemistry of Natural Compounds. 12 January 2014. 49:11791182. [2]. Kwon, Jun-Tack, et al. Effects of Cyclobuxine D on Drug-Induced Contractions of the Isolated Rat Uterine Muscle and Potassium-Activated Calcium Channels in an Intestinal Smooth Muscle. The Korean Journal of Pharmacology. 1988. 24 (1): 103-109.

Frequently Asked Questions

What is the CAS number of Cyclobuxine D?

The CAS number of Cyclobuxine D is 2241-90-9.

What are the molecular formula and molecular weight of Cyclobuxine D?

Cyclobuxine D has molecular formula C25H42N2O and molecular weight 386.61400 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Cyclobuxine D (CAS 2241-90-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1973184-3 (accessed 2026-10-28).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.