2-Methyl-1,2-benzothiazol-3(2H)-one
Also known as: MBIT, NSC 520046, Axitinib Impurity 45, 2-Methyl-1,2-benzisothiazol-3(2H)-one, 2-Methyl-1,2-benzisothiazolin-3-one, 2-Methyl-1,2-benzoisothiazolin-3-one, 2-methylbenzo[d]isothiazol-3(2H)-one, 2-Methyl-1,2-benzothiazol-3-one, 2-methy-l benzisothiazolin-3-one, 1,2-Benzisothiazol-3(2H)-one, 2-methyl-
2-Methyl-1,2-benzothiazol-3(2H)-one (CAS 2527-66-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H7NOS and a molecular weight of 165.212 g/mol. Key properties include a melting point of 51 °C, a boiling point of 294.3±23.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 131.8±22.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2527-66-4
- Jingsj CID
- J-1450480-4
- Molecular Formula
- C8H7NOS
- Molecular Weight
- 165.212 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 51 °C |
|---|---|
| Boiling Point | 294.3±23.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 131.8±22.6 °C |
| Exact Mass | 165.024841 |
| PSA | 50.24000 |
| LogP | 1.54 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.650 |
Frequently Asked Questions
What is the CAS number of 2-Methyl-1,2-benzothiazol-3(2H)-one?
The CAS number of 2-Methyl-1,2-benzothiazol-3(2H)-one is 2527-66-4.
What are the molecular formula and molecular weight of 2-Methyl-1,2-benzothiazol-3(2H)-one?
2-Methyl-1,2-benzothiazol-3(2H)-one has molecular formula C8H7NOS and molecular weight 165.212 g/mol.
What are the upstream and downstream products of 2-Methyl-1,2-benzothiazol-3(2H)-one?
For 2-Methyl-1,2-benzothiazol-3(2H)-one, Upstream Products: 1,2-Benzisothiazol-3(2H)-one, iodomethane, 2-Mercapto-N-methylbenzamide; Downstream Products: 2-Mercapto-N-methylbenzamide, 2,2'-dithiobis[N-methylbenzamide].
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-Methyl-1,2-benzothiazol-3(2H)-one (CAS 2527-66-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1450480-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.