Benzenesulfonyl chloride, 2-(phenylthio)-, also known as 2-(phenylthio)benzenesulfonyl chloride or 2-phenylsulfanylbenzenesulfonyl chloride, is an organic compound with the chemical formula C12H9ClO2S2. It is a colorless to pale yellow crystalline solid that is soluble in organic solvents. Benzenesulfonyl chloride, 2-(phenylthio)- is primarily used as an intermediate in the synthesis of various pharmaceuticals, agrochemicals, and other specialty chemicals. It is also employed as a reagent in organic synthesis, particularly in the preparation of sulfonamide derivatives. Due to its reactivity, it is essential to handle Benzenesulfonyl chloride, 2-(phenylthio)- with care, as it can cause irritation to the eyes, skin, and respiratory system.

2688-87-1

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Basic information
1. Product Name: Benzenesulfonyl chloride, 2-(phenylthio)-
2. Synonyms:
3. CAS NO:2688-87-1
4. Molecular Formula: C12H9ClO2S2
5. Molecular Weight: 284.787
6. EINECS: N/A
7. Product Categories: N/A
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: N/A
3. Flash Point: N/A
4. Appearance: N/A
5. Density: N/A
6. Refractive Index: N/A
7. Storage Temp.: N/A
8. Solubility: N/A
9. CAS DataBase Reference: Benzenesulfonyl chloride, 2-(phenylthio)-(CAS DataBase Reference)
10. NIST Chemistry Reference: Benzenesulfonyl chloride, 2-(phenylthio)-(2688-87-1)
11. EPA Substance Registry System: Benzenesulfonyl chloride, 2-(phenylthio)-(2688-87-1)
Safety Data
1. Hazard Codes: N/A
2. Statements: N/A
3. Safety Statements: N/A
4. WGK Germany:
5. RTECS:
6. HazardClass: N/A
7. PackingGroup: N/A
8. Hazardous Substances Data: 2688-87-1(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 2688-87-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,6,8 and 8 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 2688-87:
(6*2)+(5*6)+(4*8)+(3*8)+(2*8)+(1*7)=121
121 % 10 = 1
So 2688-87-1 is a valid CAS Registry Number.

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