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Eschenmoser's α-pyrone is a synthetically valuable chemical compound, characterized by its unique α-pyrone structure. It is a heterocyclic compound containing a pyrone ring, which is a six-membered ring with one oxygen atom and one carbonyl group. Eschenmoser's α-pyrone is named after Swiss chemist Albert Eschenmoser, who contributed significantly to its synthesis and application. Eschenmoser's α-pyrone is widely used in organic synthesis, particularly in the preparation of various natural products and pharmaceuticals, due to its ability to undergo a range of chemical reactions, such as cycloadditions and rearrangements. Its versatility and stability make it an important building block in the field of organic chemistry.

3476-63-9

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3476-63-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 3476-63-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,4,7 and 6 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 3476-63:
(6*3)+(5*4)+(4*7)+(3*6)+(2*6)+(1*3)=99
99 % 10 = 9
So 3476-63-9 is a valid CAS Registry Number.

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