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3-(Diethoxymethyl)thiophene

Also known as: Thiophene-3-carboxaldehyde diethyl acetal, 3-Thiophenecarboxaldehyde diethyl acetal, 3-Formylthiophene diethyl acetal, Diethoxy-3-thienylmethane, Thiophene, 3-(diethoxymethyl)-

3-(Diethoxymethyl)thiophene (CAS 3199-44-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H14O2S and a molecular weight of 186.27100 g/mol. Key properties include a boiling point of 130ºC 30mm and a density of 1.066g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
3199-44-8
Jingsj CID
J-7062-2
Molecular Formula
C9H14O2S
Molecular Weight
186.27100 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026
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Physicochemical Properties

Boiling Point130ºC 30mm
Density1.066g/cm3
Exact Mass186.07100
PSA46.70000
LogP2.81970
Refractive Index1.4865

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 3-(Diethoxymethyl)thiophene?

The CAS number of 3-(Diethoxymethyl)thiophene is 3199-44-8.

What are the molecular formula and molecular weight of 3-(Diethoxymethyl)thiophene?

3-(Diethoxymethyl)thiophene has molecular formula C9H14O2S and molecular weight 186.27100 g/mol.

What are the upstream and downstream products of 3-(Diethoxymethyl)thiophene?

For 3-(Diethoxymethyl)thiophene, Upstream Products: 3-Thiophenecarboxaldehyde, Triethyl orthoformate, 3-Iodothiophene; Downstream Products: 3-Thiophenecarboxaldehyde, 2-Bromothiophene-3-carbaldehyde, 2-Bromo-3-thiophenecarboxylic acid.

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

Last updated:

How to cite: Jingsj. "3-(Diethoxymethyl)thiophene (CAS 3199-44-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-7062-2 (accessed 2026-11-09).

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