β-p-Toluolsulfonyloxy-zimtsaeure-methylester, also known as β-O-(p-toluenesulfonyl)oxy citric acid methyl ester, is a chemical compound derived from citric acid. It is an ester formed by the reaction of citric acid with methanol in the presence of a catalyst, resulting in the methyl ester of citric acid. The β-O-(p-toluenesulfonyl)oxy group is a protecting group for the hydroxyl group at the β-position of the citric acid molecule, which can be used in organic synthesis to prevent unwanted side reactions. β-p-Toluolsulfonyloxy-zimtsaeure-methylester is a white crystalline solid and is soluble in organic solvents. It is used in the synthesis of various pharmaceuticals, agrochemicals, and other organic compounds, where selective protection and deprotection of functional groups are required.
95281-02-0
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Basic information
- Product Name: β-p-Toluolsulfonyloxy-zimtsaeure-methylester
- Synonyms:
- CAS NO:95281-02-0
- Molecular Formula:
- Molecular Weight: 332.377
- EINECS: N/A
- Product Categories: N/A
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Chemical Properties
- Melting Point: N/A
- Boiling Point: N/A
- Flash Point: N/A
- Appearance: N/A
- Density: N/A
- Refractive Index: N/A
- Storage Temp.: N/A
- Solubility: N/A
- CAS DataBase Reference: β-p-Toluolsulfonyloxy-zimtsaeure-methylester(CAS DataBase Reference)
- NIST Chemistry Reference: β-p-Toluolsulfonyloxy-zimtsaeure-methylester(95281-02-0)
- EPA Substance Registry System: β-p-Toluolsulfonyloxy-zimtsaeure-methylester(95281-02-0)
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Safety Data
- Hazard Codes: N/A
- Statements: N/A
- Safety Statements: N/A
- WGK Germany:
- RTECS:
- HazardClass: N/A
- PackingGroup: N/A
- Hazardous Substances Data: 95281-02-0(Hazardous Substances Data)
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Check Digit Verification of cas no
The CAS Registry Mumber 95281-02-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,5,2,8 and 1 respectively; the second part has 2 digits, 0 and 2 respectively.Calculate Digit Verification of CAS Registry Number 95281-02:
(7*9)+(6*5)+(5*2)+(4*8)+(3*1)+(2*0)+(1*2)=140
140 % 10 = 0
So 95281-02-0 is a valid CAS Registry Number.
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95281-02-0Downstream Products
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β-p-Toluolsulfonyloxy-zimtsaeure-methylester
