Thiobenzoesaeure-O-triphenylsilyl-ester, also known as 4-(triphenylsilyl)oxybenzoic acid, is an organosilicon compound with the chemical formula C25H22O2Si. It is a colorless crystalline solid that is soluble in common organic solvents such as dichloromethane, acetonitrile, and tetrahydrofuran. Thiobenzoesaeure-O-triphenylsilyl-ester is primarily used as a protecting group in organic synthesis, particularly for the protection of carboxylic acids. The triphenylsilyl group can be easily introduced and removed under mild conditions, making it a valuable tool in the synthesis of complex organic molecules. It is also used in the preparation of various derivatives and intermediates in pharmaceutical and chemical industries.

7528-44-1

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Basic information
1. Product Name: Thiobenzoesaeure-O-triphenylsilyl-ester
2. Synonyms:
3. CAS NO:7528-44-1
4. Molecular Formula:
5. Molecular Weight: 396.585
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: Thiobenzoesaeure-O-triphenylsilyl-ester(CAS DataBase Reference)
10. NIST Chemistry Reference: Thiobenzoesaeure-O-triphenylsilyl-ester(7528-44-1)
11. EPA Substance Registry System: Thiobenzoesaeure-O-triphenylsilyl-ester(7528-44-1)
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: 7528-44-1(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 7528-44-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,5,2 and 8 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 7528-44:
(6*7)+(5*5)+(4*2)+(3*8)+(2*4)+(1*4)=111
111 % 10 = 1
So 7528-44-1 is a valid CAS Registry Number.

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