5-Methyl-2-mercaptobenzothiazole
Also known as: 5-Methylbenzo[d]thiazole-2-thiol, 2-Mercapto-5-methylbenzothiazole, 5-Methyl-2(3H)-benzothiazolethione, 5-Methyl-3H-1,3-benzothiazole-2-thione, 5-Methyl-2-benzothiazolethiol, 5-Methyl-3H-benzothiazole-2-thione, 2(3H)-Benzothiazolethione,5-methyl, 5-Methylbenzothiazolin-2-thion
5-Methyl-2-mercaptobenzothiazole (CAS 21303-50-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H7NS2 and a molecular weight of 181.27800 g/mol. Key properties include a boiling point of 314ºC, a density of 1.39 and a flash point of 144ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 21303-50-4
- Jingsj CID
- J-1033844-0
- Molecular Formula
- C8H7NS2
- Molecular Weight
- 181.27800 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 314ºC |
|---|---|
| Density | 1.39 |
| Flash Point | 144ºC |
| Exact Mass | 181.00200 |
| PSA | 79.93000 |
| LogP | 2.89340 |
| Vapor Pressure | 0.000464mmHg at 25°C |
| Refractive Index | 1.743 |
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 5-Methyl-2-mercaptobenzothiazole?
The CAS number of 5-Methyl-2-mercaptobenzothiazole is 21303-50-4.
What are the molecular formula and molecular weight of 5-Methyl-2-mercaptobenzothiazole?
5-Methyl-2-mercaptobenzothiazole has molecular formula C8H7NS2 and molecular weight 181.27800 g/mol.
What are the upstream and downstream products of 5-Methyl-2-mercaptobenzothiazole?
For 5-Methyl-2-mercaptobenzothiazole, Upstream Products: Carbon disulphide, 2-Chloro-5-methylaniline, m-Toluidine; Downstream Products: 2-Chloro-5-methylbenzothiazole, 2-Amino-5-methylbenzothiazole, 5-Methylbenzo[d]thiazole.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-Methyl-2-mercaptobenzothiazole (CAS 21303-50-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1033844-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.