N-tosyloxyphthalimide, also known as N-tosylphthalimide or N-tosyloxy-1H-isoindole-1,3(2H)-dione, is an organic compound with the chemical formula C15H12NO4S. It is a white crystalline solid that is soluble in common organic solvents such as dichloromethane, acetone, and ethanol. N-tosyloxyphthalimide is widely used in organic synthesis as a protecting group for amines, particularly in peptide synthesis, due to its stability and ease of removal under mild conditions. N-tosyloxyphthalimide is also employed as a reagent in various chemical reactions, including the protection of alcohols and the synthesis of heterocycles. Its structure features a phthalimide core with a tosyloxy group attached to the nitrogen atom, which contributes to its reactivity and utility in chemical transformations.

5103-43-5

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Basic information
1. Product Name: N-tosyloxyphthalimide
2. Synonyms:
3. CAS NO:5103-43-5
4. Molecular Formula:
5. Molecular Weight: 316.334
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: N-tosyloxyphthalimide(CAS DataBase Reference)
10. NIST Chemistry Reference: N-tosyloxyphthalimide(5103-43-5)
11. EPA Substance Registry System: N-tosyloxyphthalimide(5103-43-5)
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: 5103-43-5(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 5103-43-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,1,0 and 3 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 5103-43:
(6*5)+(5*1)+(4*0)+(3*3)+(2*4)+(1*3)=55
55 % 10 = 5
So 5103-43-5 is a valid CAS Registry Number.

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