4′-Methoxybiphenyl-4-sulfonyl chloride
4′-Methoxybiphenyl-4-sulfonyl chloride (CAS: 202752-04-3), with the molecular formula C13H11ClO3S and a molecular weight of 282.74 g/mol, is a valuable organic building block. This sulfonyl chloride derivative is primarily used in chemical synthesis, serving as an intermediate for the creation of more complex molecules. Its reactivity makes it suitable for introducing the 4-methoxyphenylsulfonyl moiety into various organic structures.
- IUPAC
- 4-(4-Methoxyphenyl)benzenesulfonyl chloride

Organic Synthesis Intermediate
Utilised as a key building block in the synthesis of complex organic molecules. Its sulfonyl chloride functional group readily participates in reactions with nucleophiles.
Pharmaceutical Intermediates
Can serve as a precursor in the development of novel pharmaceutical compounds. Its structure lends itself to incorporation into potential drug candidates.
Material Science Research
Investigated for its potential role in the development of new materials due to its specific chemical structure and reactivity.
| Molecular weight | 282.74 |
|---|---|
| Empirical formula | C13H11ClO3S |
| Assay | 95% |
| Melting point | 103-108 °C |

Hazard statements
- H314Causes severe skin burns and eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Transport (UN / ADR) | UN 3261 8 / PGII |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 14-34 |
| Safety statements (S) | 26-36/37/39-45 |
| Supplemental hazards | Reacts violently with water. |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 4′-Methoxybiphenyl-4-sulfonyl chloride used for?
+
4′-Methoxybiphenyl-4-sulfonyl chloride is primarily used as a building block in organic synthesis and can function as an intermediate in the development of pharmaceuticals and new materials.
What is the CAS number and formula for 4′-Methoxybiphenyl-4-sulfonyl chloride?
+
The CAS number is 202752-04-3 and the empirical formula is C13H11ClO3S.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies 4′-Methoxybiphenyl-4-sulfonyl chloride with an assay of 95%. We do not represent this product as USP, BP, or EP grade.
How should 4′-Methoxybiphenyl-4-sulfonyl chloride be handled?
+
This compound is classified as Danger and causes severe skin burns and eye damage (H314). It reacts violently with water. Appropriate personal protective equipment, including gloves, eye protection, and protective clothing, must be worn. Handle in a well-ventilated area or fume hood. Avoid contact with water and incompatible materials.
Is 4′-Methoxybiphenyl-4-sulfonyl chloride packed and shipped internationally?
+
Yes, Tech Serve Solutions exports chemicals globally and adheres to all necessary regulations for packing and shipping.
How can I request a quote or sample for 4′-Methoxybiphenyl-4-sulfonyl chloride?
+
To request a quote or sample, please contact our sales team through the website or by phone, providing the product name and CAS number (202752-04-3).
▶ Related products

1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis

1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis