1-(2-Thiazolylazo)-2-naphthol
Also known as: TAN, NSC139021, ERGi-USU, 1-(1,3-Thiazolyl-2-azo)-2-naphthol, 2-Naphthalenol, 1-(2-thiazolylazo)-, 1-(Thiazol-2-ylazo)-2-naphthol
1-(2-Thiazolylazo)-2-naphthol (CAS 1147-56-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C13H9N3OS and a molecular weight of 255.29500 g/mol. Key properties include a melting point of 138-139 °C, a boiling point of 523.251ºC at 760 mmHg, a density of 1.4g/cm3 and a flash point of 270.253ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1147-56-4
- Jingsj CID
- J-30710-1
- Molecular Formula
- C13H9N3OS
- Molecular Weight
- 255.29500 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 138-139 °C |
|---|---|
| Boiling Point | 523.251ºC at 760 mmHg |
| Density | 1.4g/cm3 |
| Flash Point | 270.253ºC |
| Exact Mass | 255.04700 |
| PSA | 86.08000 |
| LogP | 4.41730 |
| Vapor Pressure | 0mmHg at 25°C |
| Refractive Index | 1.728 |
| Additional Property | methanol: 10 mg/mL, clear |
Activity & Biological Data
| Target | IC50: 30 to 400 nM (ERG-positive cancer cells)[1] |
|---|---|
| Additional Information | [1]. Mohamed AA, et al. Identification of a small molecule that selectively inhibits ERG-positive cancer cell growth. Cancer Res. 2018 Apr 30. pii: canres.2949.2017. |
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 1-(2-Thiazolylazo)-2-naphthol?
The CAS number of 1-(2-Thiazolylazo)-2-naphthol is 1147-56-4.
What are the molecular formula and molecular weight of 1-(2-Thiazolylazo)-2-naphthol?
1-(2-Thiazolylazo)-2-naphthol has molecular formula C13H9N3OS and molecular weight 255.29500 g/mol.
What are the upstream and downstream products of 1-(2-Thiazolylazo)-2-naphthol?
For 1-(2-Thiazolylazo)-2-naphthol, Upstream Products: 2-Aminothiazole, 2-Naphthol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1-(2-Thiazolylazo)-2-naphthol (CAS 1147-56-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-30710-1 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.