Nitazoxanide
Also known as: 2-(Acetyloxy)-N-(5-nitro-2-thiazolyl)benzamide, 2-[(5-Nitro-1,3-thiazol-2-yl)carbamoyl]phenyl acetate, o-[N-(5-Nitrothiazol-2-yl)carbamoyl]phenyl acetate, N-(5-nitro-2-thiazolyl)salicylamide acetate (ester), 2-(2-Acetoxy)benzamido-5-nitrothiazole, Alinia, Cryptaz, NTZ, Nitazoxanida, Nitazoxanidum
Nitazoxanide (CAS 55981-09-4) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C12H9N3O5S and a molecular weight of 307.282 g/mol. Key properties include a melting point of 202ºC and a density of 1.5±0.1 g/cm3. 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.
- 55981-09-4
- Jingsj CID
- J-1108587-3
- Molecular Formula
- C12H9N3O5S
- Molecular Weight
- 307.282 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 202ºC |
|---|---|
| Density | 1.5±0.1 g/cm3 |
| Exact Mass | 307.026276 |
| PSA | 142.35000 |
| LogP | 1.79 |
| Refractive Index | 1.673 |
| Storage Conditions | -20°C Freezer |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Activity & Biological Data
| Additional Information | [1]. Rossignol JF, et al. Thiazolides, a new class of anti-influenza molecules targeting viral hemagglutinin at the post-translational level. J Biol Chem. 2009 Oct 23;284(43):29798-808. [2]. Somvanshi VS, et al. Nitazoxanide: Nematicidal mode of action and drug combination studies. Mol Biochem Parasitol. 2014 Jan 8;193(1):1-8. |
|---|
Customs & Trade Information
| HS Code | 2934100090 |
|---|---|
| Summary | 2934100090 other compounds containing an unfused thiazole ring (whether or not hydrogenated) in the structure VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of Nitazoxanide?
The CAS number of Nitazoxanide is 55981-09-4.
What are the molecular formula and molecular weight of Nitazoxanide?
Nitazoxanide has molecular formula C12H9N3O5S and molecular weight 307.282 g/mol.
Is Nitazoxanide hazardous?
Nitazoxanide has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H319 — Causes serious eye irritation.
What are the upstream and downstream products of Nitazoxanide?
For Nitazoxanide, Upstream Products: 2-Amino-5-nitrothiazole, O-Acetylsalicyloyl chloride.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Nitazoxanide (CAS 55981-09-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1108587-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.