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Zalcitabine

Also known as: 2',3'-Dideoxycytidine, 2',3'-Dideoxy-D-cytidine, ddCyd, ddC, HIVID, Dideoxycytidine, 4-Amino-1-[(2R,5S)-5-(hydroxymethyl)tetrahydrofuran-2-yl]pyrimidin-2(1H)-one, Cytidine, 2',3'-dideoxy-

Zalcitabine (CAS 7481-89-2) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C9H13N3O3 and a molecular weight of 211.218 g/mol. Key properties include a melting point of 217-218 °C(lit.), a boiling point of 415.0±55.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 204.8±31.5 °C. It is classified under GHS with signal word Warning and hazard statements H351 — Suspected of causing cancer. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
7481-89-2
Jingsj CID
J-33244-5
Molecular Formula
C9H13N3O3
Molecular Weight
211.218 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Melting Point217-218 °C(lit.)
Boiling Point415.0±55.0 °C at 760 mmHg
Density1.6±0.1 g/cm3
Flash Point204.8±31.5 °C
Exact Mass211.095688
PSA90.37000
LogP-1.30
Vapor Pressure0.0±2.2 mmHg at 25°C
Refractive Index1.686
Additional Property5-10 g/100 mL at 19 ºC

GHS Safety & Compliance

Health HazardSignal word: Warning
  • H351 — Suspected of causing cancer

Activity & Biological Data

TargetTarget: HIV
Additional Information[1]. Adkins JC, et al. Zalcitabine. An update of its pharmacodynamic and pharmacokinetic properties and clinical efficacy in the management of HIV infection.Drugs. 1997 Jun;53(6):1054-80 [2]. Jin MJ, et al. Interaction of zalcitabine with human organic anion transporter 1. Pharmazie. 2006 May;61(5):491-2.

Customs & Trade Information

HS Code2934999090
Summary2934999090. 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 Zalcitabine?

The CAS number of Zalcitabine is 7481-89-2.

What are the molecular formula and molecular weight of Zalcitabine?

Zalcitabine has molecular formula C9H13N3O3 and molecular weight 211.218 g/mol.

Is Zalcitabine hazardous?

Zalcitabine has GHS signal word Warning and hazard statements H351 — Suspected of causing cancer.

What are the upstream and downstream products of Zalcitabine?

For Zalcitabine, Upstream Products: N4-Acetylcytidine; Downstream Products: 2',3'-Dideoxyuridine.

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

Last updated:

How to cite: Jingsj. "Zalcitabine (CAS 7481-89-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-33244-5 (accessed 2026-11-09).

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