1-[3-amino-5-[4-(tert-butyl)phenyl]-2-thienyl]ethan-1-one

2-乙酰基-3-氨基-5-(4-叔丁苯基)噻吩

Also known as: 1-[3-amino-5-(4-tert-butylphenyl)thiophen-2-yl]ethan-1-one, 1-[3-amino-5-(4-tert-butylphenyl)-2-thiophenyl]ethanone, 1-[3-amino-5-(4-tert-butylphenyl)thiophen-2-yl]ethanone, 2-ACETYL-3-AMINO-5-(4-TERT-BUTYLPHENYL)THIOPHENE, 2-acetyl-3-amino-5-(4-tertbutylphenyl) thiophene, MFCD02179917, hms552j15, Ethanone, 1-[3-amino-5-[4-(1,1-dimethylethyl)phenyl]-2-thienyl]-

1-[3-amino-5-[4-(tert-butyl)phenyl]-2-thienyl]ethan-1-one (CAS 306935-12-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C16H19NOS and a molecular weight of 273.39300 g/mol. It is also known as 1-[3-amino-5-(4-tert-butylphenyl)thiophen-2-yl]ethan-1-one, 1-[3-amino-5-(4-tert-butylphenyl)-2-thiophenyl]ethanone and 1-[3-amino-5-(4-tert-butylphenyl)thiophen-2-yl]ethanone. Key properties include a melting point of 179ºC, a boiling point of 463.2ºC at 760mmHg, a density of 1.117g/cm3 and a flash point of 233.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
306935-12-6
Jingsj CID
J-1100556-8
Molecular Formula
C16H19NOS
Chinese Name
2-乙酰基-3-氨基-5-(4-叔丁苯基)噻吩
Molecular Weight
273.39300 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point179ºC
Boiling Point463.2ºC at 760mmHg
Density1.117g/cm3
Flash Point233.9ºC
Exact Mass273.11900
PSA71.33000
LogP5.07860
Refractive Index1.583

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 1-[3-amino-5-[4-(tert-butyl)phenyl]-2-thienyl]ethan-1-one?

The CAS number of 1-[3-amino-5-[4-(tert-butyl)phenyl]-2-thienyl]ethan-1-one is 306935-12-6.

What are the molecular formula and molecular weight of 1-[3-amino-5-[4-(tert-butyl)phenyl]-2-thienyl]ethan-1-one?

1-[3-amino-5-[4-(tert-butyl)phenyl]-2-thienyl]ethan-1-one has molecular formula C16H19NOS and molecular weight 273.39300 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "1-[3-amino-5-[4-(tert-butyl)phenyl]-2-thienyl]ethan-1-one (CAS 306935-12-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1100556-8 (accessed 2026-10-28).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.