β-Cumylperoxyethansulfons?ure-methylester, also known as β-Cumylperoxyethanesulfonic acid methyl ester, is an organic compound with the chemical formula C11H16O4S. It is a peroxide derivative of ethanesulfonic acid, where the peroxy group is attached to the β-position of the cumyl group (a substituted benzyl group). β-Cumylperoxyethansulfonsaeuremethylester is used as a catalyst in various chemical reactions, particularly in the polymerization process of vinyl monomers, due to its ability to generate free radicals. It is also employed as an initiator in the synthesis of polymers and as a stabilizer in the production of certain plastics. The compound is sensitive to heat and shock, and it is important to handle it with care due to its potential reactivity.

28509-37-7

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Basic information
1. Product Name: β-Cumylperoxyethansulfonsaeuremethylester
2. Synonyms:
3. CAS NO:28509-37-7
4. Molecular Formula:
5. Molecular Weight: 274.338
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: β-Cumylperoxyethansulfonsaeuremethylester(CAS DataBase Reference)
10. NIST Chemistry Reference: β-Cumylperoxyethansulfonsaeuremethylester(28509-37-7)
11. EPA Substance Registry System: β-Cumylperoxyethansulfonsaeuremethylester(28509-37-7)
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: 28509-37-7(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 28509-37-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,5,0 and 9 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 28509-37:
(7*2)+(6*8)+(5*5)+(4*0)+(3*9)+(2*3)+(1*7)=127
127 % 10 = 7
So 28509-37-7 is a valid CAS Registry Number.

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