![Molecular structure of 6-Aminobenzo[b]thiophene 1,1-dioxide (CAS 20503-40-6)](/images/chem_structures_svg/160/20503-40-6.svg)
6-Aminobenzo[b]thiophene 1,1-dioxide
Also known as: 1,1-dioxo-1-benzothiophen-6-amine, 6-amino-1,1-dioxobenzo[b]thiophene, 6-Aminobenzo[b]thiophene 1,1-dioxide, Benzo[b]thiophen-6-amine, 1,1-dioxide, 6-Aminobenzothiophene-1,1-dioxide, 6-amino-1H-1lambda~6~-benzo[b]thiophene-1,1-dione, 6-amino-1H-1lambda6-benzo[b]thiophene-1,1-dione
6-Aminobenzo[b]thiophene 1,1-dioxide (CAS 20503-40-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H7NO2S and a molecular weight of 181.21200 g/mol. Key properties include a melting point of 150ºC, a boiling point of 467.4ºC at 760 mmHg, a density of 1.501 g/cm3 and a flash point of 236.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 20503-40-6
- Jingsj CID
- J-1315122-9
- Molecular Formula
- C8H7NO2S
- Molecular Weight
- 181.21200 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 150ºC |
|---|---|
| Boiling Point | 467.4ºC at 760 mmHg |
| Density | 1.501 g/cm3 |
| Flash Point | 236.5ºC |
| Exact Mass | 181.02000 |
| PSA | 68.54000 |
| LogP | 2.68880 |
| Vapor Pressure | 6.55E-09mmHg at 25°C |
| Refractive Index | 1.693 |
| Storage Conditions | 2-8°C |
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 6-Aminobenzo[b]thiophene 1,1-dioxide?
The CAS number of 6-Aminobenzo[b]thiophene 1,1-dioxide is 20503-40-6.
What are the molecular formula and molecular weight of 6-Aminobenzo[b]thiophene 1,1-dioxide?
6-Aminobenzo[b]thiophene 1,1-dioxide has molecular formula C8H7NO2S and molecular weight 181.21200 g/mol.
What are the upstream and downstream products of 6-Aminobenzo[b]thiophene 1,1-dioxide?
For 6-Aminobenzo[b]thiophene 1,1-dioxide, Upstream Products: Stattic, Benzo[b]thiophene 1,1-dioxide, 1-Benzothiophene.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "6-Aminobenzo[b]thiophene 1,1-dioxide (CAS 20503-40-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1315122-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.