p-chlorobenzenesulphinic acid (CAS 100-03-8)

Chinese name: 对氯苯亚磺酸

p-chlorobenzenesulphinic acid is registered under CAS 100-03-8. Molecular formula: C6H5CLO2S. Approximate molecular weight: 176.6207. SKYSEVEN Chemical provides industrial chemical sourcing support and free CAS tools for global B2B buyers.

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Physical & identity data

CAS Number	100-03-8
English name	p-chlorobenzenesulphinic acid
Chinese name	对氯苯亚磺酸
Molecular formula	C6H5CLO2S
Molecular weight	176.6207
Vapor pressure	6.22E-06mmHgat25°C
HS code (ref.)	2930909090

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Authority references

• PubChem
• NIST Chemistry WebBook
• CAS Common Chemistry

FAQ

What is CAS 100-03-8?

p-chlorobenzenesulphinic acid is identified by CAS Registry Number 100-03-8. Molecular formula: C6H5CLO2S. SKYSEVEN Chemical provides industrial chemical supply and free CAS lookup tools.

Where can I buy p-chlorobenzenesulphinic acid?

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

How do I verify CAS 100-03-8 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.