thiophene, tetrahydro-2,4-dimethyl-, 1,1-dioxide (CAS 1003-78-7)

Chinese name: 2,4-二甲基环丁砜

thiophene, tetrahydro-2,4-dimethyl-, 1,1-dioxide is registered under CAS 1003-78-7. Molecular formula: C6H12O2S. Approximate molecular weight: 148.223. SKYSEVEN Chemical provides industrial chemical sourcing support and free CAS tools for global B2B buyers.

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Physical & identity data

CAS Number	1003-78-7
English name	thiophene, tetrahydro-2,4-dimethyl-, 1,1-dioxide
Chinese name	2,4-二甲基环丁砜
Molecular formula	C6H12O2S
Molecular weight	148.223
Melting point	-3℃
Boiling point	279.3°C at 760 mmHg
Density	1.095g/cm3
Flash point	145.6°C
Refractive index	1.452
Vapor pressure	0.00688mmHgat25°C
HS code (ref.)	2934999090

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Authority references

• PubChem
• NIST Chemistry WebBook
• CAS Common Chemistry

FAQ

What is CAS 1003-78-7?

thiophene, tetrahydro-2,4-dimethyl-, 1,1-dioxide is identified by CAS Registry Number 1003-78-7. Molecular formula: C6H12O2S. SKYSEVEN Chemical provides industrial chemical supply and free CAS lookup tools.

Where can I buy thiophene, tetrahydro-2,4-dimethyl-, 1,1-dioxide?

Request a quote on cnchemshop.com. SKYSEVEN Chemical supplies industrial grades with COA/SDS on request for export orders.

How do I verify CAS 1003-78-7 data?

Cross-check PubChem / NIST / CAS Common Chemistry, and use our free CAS lookup tool. Always match CAS on COA and invoice.

Data is for informational reference only. Verify lot-specific values with COA/SDS. Not for medical advice.