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(2S,3R)-5-Ethyl-2,3-dimethyl-6-oxo-tetrahydro-pyran-2-carboxylic acid is a complex organic compound with the molecular formula C10H14O4. It is a chiral molecule, meaning it has a non-superimposable mirror image, and it is characterized by its specific 2S,3R configuration. (2S,3R)-5-Ethyl-2,3-dimethyl-6-oxo-tetrahydro-pyran-2-carboxylic acid features a tetrahydro-pyran ring, which is a type of cyclic ether, and a carboxylic acid group. The molecule also includes an ethyl group at the 5-position and methyl groups at the 2 and 3 positions. It is an example of a substituted gamma-lactone, which is a type of cyclic ester, and it is known for its potential applications in the synthesis of various pharmaceuticals and natural products due to its unique structural features.

2064-81-5

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2064-81-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 2064-81-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,0,6 and 4 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 2064-81:
(6*2)+(5*0)+(4*6)+(3*4)+(2*8)+(1*1)=65
65 % 10 = 5
So 2064-81-5 is a valid CAS Registry Number.

2064-81-5Downstream Products

2064-81-5Relevant academic research and scientific papers

COSMETIC OR DERMATOLOGICAL COMPOSITION COMPRISING A POLYMER BEARING JUNCTION GROUPS, AND COSMETIC TREATMENT PROCESS

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, (2010/10/03)

The present patent application relates to a cosmetic or dermatological composition comprising, in a cosmetically or dermatologically acceptable medium, a polymer comprising: (a) a polymer backbone that may be obtained by reaction: of a polyol comprising 3 to 6 hydroxyl groups;of a monocarboxylic acid containing 6 to 32 carbon atoms;of a polycarboxylic acid comprising at least two carboxylic groups COOH, and/or of a cyclic anhydride such as a polycarboxylic acid and/or of a lactone comprising at least one carboxylic group COOH; and(b) at least one junction group linked to the said polymer backbone and capable of establishing H bonds with one or more partner junction groups, each pairing of a junction group involving at least three H (hydrogen) bonds. The patent application also concerns a cosmetic treatment process using the said composition.

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