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Tetrahydropyran-4-yl-carboxylic acid, also known as 4-tetrahydropyranylcarboxylic acid or THP-carboxylic acid, is a cyclic ether derivative with the chemical formula C6H10O3. It is a colorless, crystalline solid that is soluble in water and various organic solvents. Tetrahydropyran-4-yl-carboxylic acid is widely used in organic synthesis as a protecting group for alcohols, particularly in the formation of esters and amides. The THP group can be easily introduced and removed under mild conditions, making it a valuable tool in the synthesis of complex organic molecules. Its stability, ease of use, and selectivity contribute to its popularity in the field of organic chemistry.

5537-03-1

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5537-03-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5537-03-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,5,3 and 7 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 5537-03:
(6*5)+(5*5)+(4*3)+(3*7)+(2*0)+(1*3)=91
91 % 10 = 1
So 5537-03-1 is a valid CAS Registry Number.

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