Cyclophosphamide

Also known as: Cytoxan, Endoxan, Neosar, Clafen, Genoxal, Mitoxan, Enduxan, Cyclophosphane, Cytophosphan, N,N-Bis(2-chloroethyl)-1,3,2-oxazaphosphinan-2-amine 2-oxide, 2-[Bis(2-chloroethyl)amino]tetrahydro-2H-1,3,2-oxazaphosphorine 2-oxide, B 518, CB 4564, ASTA

Cyclophosphamide (CAS 50-18-0) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C7H15Cl2N2O2P and a molecular weight of 261.086 g/mol. Key properties include a melting point of 41-45ºC, a boiling point of 336.1±52.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 157.1±30.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 50-18-0
Jingsj CID: J-14673-6
Molecular Formula: C₇H₁₅Cl₂N₂O₂P
Molecular Weight: 261.086 g/mol
Category: Organic Bases
Last updated: 8/21/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point	41-45ºC
Boiling Point	336.1±52.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	157.1±30.7 °C
Exact Mass	260.024811
PSA	51.38000
LogP	0.23
Vapor Pressure	0.0±0.7 mmHg at 25°C
Refractive Index	1.506
Stability	Stable, but light sensitive. Incompatible with oxidizing agents.
Additional Property	Soluble. 1-5 g/100 mL at 23 ºC

Activity & Biological Data

Target	DNA Alkylator[1]
Additional Information	[1]. Schwartz PS, et al. Cyclophosphamide induces caspase 9-dependent apoptosis in 9L tumor cells. Mol Pharmacol. 2001 Dec;60(6):1268-1279. [2]. al-Jafari AA, et al. Inhibition of human acetylcholinesterase by cyclophosphamide. Toxicology. 1995 Jan 19;96(1):1-6. [3]. Harris RN, et al. Carbon tetrachloride-induced increase in the antitumor activity of cyclophosphamide in mice: a pharmacokineticstudy. Cancer Chemother Pharmacol. 1984;12(3):167-72.

Target

DNA Alkylator[1]

Additional Information

[1]. Schwartz PS, et al. Cyclophosphamide induces caspase 9-dependent apoptosis in 9L tumor cells. Mol Pharmacol. 2001 Dec;60(6):1268-1279. [2]. al-Jafari AA, et al. Inhibition of human acetylcholinesterase by cyclophosphamide. Toxicology. 1995 Jan 19;96(1):1-6. [3]. Harris RN, et al. Carbon tetrachloride-induced increase in the antitumor activity of cyclophosphamide in mice: a pharmacokineticstudy. Cancer Chemother Pharmacol. 1984;12(3):167-72.

Customs & Trade Information

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of Cyclophosphamide?

The CAS number of Cyclophosphamide is 50-18-0.

What are the molecular formula and molecular weight of Cyclophosphamide?

Cyclophosphamide has molecular formula C7H15Cl2N2O2P and molecular weight 261.086 g/mol.

What are the upstream and downstream products of Cyclophosphamide?

For Cyclophosphamide, Upstream Products: Bis(2-chloroethyl)amine hydrochloride, 3-Amino-1-propanol, Bis(2-chloroethyl)phosphoramidic dichloride; Downstream Products: Perfosfamide, Chloroacetaldehyde, Acrolein.

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. "Cyclophosphamide (CAS 50-18-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-14673-6 (accessed 2026-11-09).

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