N-Methyl-N-(toluol-4-sulfonyl)-formamid-diaethylacetal, also known as N-methyl-N-(p-toluenesulfonyl)formamidodiethyl acetal, is a complex organic compound with the chemical formula C13H21NO4S. It is a colorless liquid with a molecular weight of 285.37 g/mol. N-Methyl-N--formamid-diaethylacetal is primarily used as a reagent in organic synthesis, particularly in the preparation of various pharmaceuticals and agrochemicals. It is known for its ability to act as a protecting group for formamides, which is crucial in the synthesis of complex molecules where selective protection and deprotection are required. The compound is also characterized by its stability and ease of synthesis, making it a valuable tool in the field of organic chemistry.

5228-66-0

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Basic information
1. Product Name: N-Methyl-N--formamid-diaethylacetal
2. Synonyms:
3. CAS NO:5228-66-0
4. Molecular Formula:
5. Molecular Weight: 287.38
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-Methyl-N--formamid-diaethylacetal(CAS DataBase Reference)
10. NIST Chemistry Reference: N-Methyl-N--formamid-diaethylacetal(5228-66-0)
11. EPA Substance Registry System: N-Methyl-N--formamid-diaethylacetal(5228-66-0)
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: 5228-66-0(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 5228-66-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,2,2 and 8 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 5228-66:
(6*5)+(5*2)+(4*2)+(3*8)+(2*6)+(1*6)=90
90 % 10 = 0
So 5228-66-0 is a valid CAS Registry Number.

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57186-68-2 N-ethyl-N-methyltoluene-4-sulphonamide

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