O-(p-Tolyl) chlorothionoformate
O-(p-Tolyl) chlorothionoformate (CAS 937-63-3) is a sulfur-containing organic compound with the linear formula ClC(S)OC6H4CH3. It is primarily used as a chemical intermediate in organic synthesis, particularly for creating alkene compounds from hindered alcohols and in the development of nucleoside analogs. This compound is supplied by Tech Serve Solutions as a high-purity chemical building block for research and industrial applications.

Nucleoside Analog Synthesis
Used in the preparation of α-L-2′-deoxythreofuranosyl nucleoside analogs, contributing to the field of medicinal chemistry and antiviral research.
Alkene Synthesis
Employed as a reagent for the conversion of hindered alcohols into alkenes, a valuable transformation in complex organic molecule construction.
| Molecular weight | 186.66 |
|---|---|
| Linear formula | ClC(S)OC6H4CH3 |
| Assay | 97% |
| Boiling point | 245 °C(lit.)50 °C/0.2 mmHg(lit.) |
| Density | 1.225 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.573(lit.) |
| Application | O-(p-Tolyl) chlorothionoformate has been used in the synthesis of:• α-L-2′-deoxythreofuranosyl nucleoside analogs1• alkenes from hindered alcohols2,3,4 |


Hazard statements
- H314Causes severe skin burns and eye damage
- H331Toxic if inhaled
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 96 °C / 204.8 °F |
| Transport (UN / ADR) | UN 3265 8 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 23-34 |
| Safety statements (S) | 26-36/37/39-45 |
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 O-(p-Tolyl) chlorothionoformate used for?
+
O-(p-Tolyl) chlorothionoformate is utilized as a versatile building block in organic synthesis, specifically in the preparation of nucleoside analogs and the conversion of hindered alcohols into alkenes.
What is the CAS number and formula for O-(p-Tolyl) chlorothionoformate?
+
The CAS number for O-(p-Tolyl) chlorothionoformate is 937-63-3, and its linear formula is ClC(S)OC6H4CH3.
What is the purity of O-(p-Tolyl) chlorothionoformate supplied by TSS?
+
O-(p-Tolyl) chlorothionoformate is supplied at an assay of 97% purity, suitable for chemical synthesis and research applications.
What are the primary hazards associated with O-(p-Tolyl) chlorothionoformate?
+
This compound presents significant hazards, indicated by GHS05 and GHS06 symbols, with a Danger signal word. It causes severe skin burns and eye damage (H314) and is toxic if inhaled (H331). Appropriate personal protective equipment, including respirators and chemical-resistant gloves, is essential.
How is O-(p-Tolyl) chlorothionoformate packed and exported?
+
O-(p-Tolyl) chlorothionoformate is packed and shipped in compliance with international regulations for hazardous materials, designated as UN 3265, Class 8, Packing Group II.
How can I request a quote for O-(p-Tolyl) chlorothionoformate?
+
To request a quote, please contact our sales department with your specific requirements. We are a global supplier and exporter of chemical products.
▶ 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