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2-Methyl-5-nitrothiophene

Also known as: 2-methyl-5-nitrothiophene, 2-methyl-5-nitro-thiophen, 2-methyl-5-nitro-thiophene, 5-methyl-2-nitrothiophen, 5-methyl-2-nitrothiophene, 5-nitro-2-methylthiophene, thiophene, 2-methyl-5-nitro-, thiophene,2-methyl-5-nitro-

2-Methyl-5-nitrothiophene (CAS 42297-94-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H5NO2S and a molecular weight of 143.16400 g/mol. Key properties include a boiling point of 233.4ºC at 760 mmHg, a density of 1.337 g/cm3 and a flash point of 95ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
42297-94-9
Jingsj CID
J-1601725-7
Molecular Formula
C5H5NO2S
Molecular Weight
143.16400 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point233.4ºC at 760 mmHg
Density1.337 g/cm3
Flash Point95ºC
Exact Mass143.00400
PSA74.06000
LogP2.48790

Customs & Trade Information

HS Code2934999090
Summary2934999090. 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 2-Methyl-5-nitrothiophene?

The CAS number of 2-Methyl-5-nitrothiophene is 42297-94-9.

What are the molecular formula and molecular weight of 2-Methyl-5-nitrothiophene?

2-Methyl-5-nitrothiophene has molecular formula C5H5NO2S and molecular weight 143.16400 g/mol.

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-5-nitrothiophene (CAS 42297-94-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1601725-7 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.