![Molecular structure of 12H-[1]Benzothieno[2,3-a]carbazole (CAS 222-21-9)](/images/chem_structures_svg/210/222-21-9.svg)
12H-[1]Benzothieno[2,3-a]carbazole
Also known as: 12H-[1]benzothieno[2,3-a]carbazole, 12H-benzo[4,5]thieno[2,3-a]carbazole, Benzothieno[2,3-a]carbazole
12H-[1]Benzothieno[2,3-a]carbazole (CAS 222-21-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C18H11NS and a molecular weight of 273.352 g/mol. Key properties include a boiling point of 544.5±23.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 276.3±13.0 °C. It is listed by 1 supplier; request a quote for pricing. Record last updated Aug 21, 2026.
- CAS No.
- 222-21-9
- Jingsj CID
- J-1393949-6
- Molecular Formula
- C18H11NS
- Molecular Weight
- 273.352 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
Made to Order | - | - | CN China |
Physicochemical Properties
| Boiling Point | 544.5±23.0 °C at 760 mmHg |
|---|---|
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 276.3±13.0 °C |
| Exact Mass | 273.061218 |
| LogP | 5.88 |
| Vapor Pressure | 0.0±1.4 mmHg at 25°C |
| Refractive Index | 1.905 |
Frequently Asked Questions
What is the CAS number of 12H-[1]Benzothieno[2,3-a]carbazole?
The CAS number of 12H-[1]Benzothieno[2,3-a]carbazole is 222-21-9.
What are the molecular formula and molecular weight of 12H-[1]Benzothieno[2,3-a]carbazole?
12H-[1]Benzothieno[2,3-a]carbazole has molecular formula C18H11NS and molecular weight 273.352 g/mol.
Which suppliers offer 12H-[1]Benzothieno[2,3-a]carbazole?
1 supplier(s) listed; request a quote for pricing.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "12H-[1]Benzothieno[2,3-a]carbazole (CAS 222-21-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1393949-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.