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4-Cyclopentene-1,3-dione, 4,5-dihydroxy-2,2-bis(3-methyl-2-butenyl)-, also known as 4,5-dihydroxy-2,2-bis(3-methyl-2-butenyl)-4-cyclopentene-1,3-dione, is a complex organic compound with the molecular formula C13H18O4. It is a derivative of cyclopentene-1,3-dione, featuring two hydroxyl groups at the 4 and 5 positions, and two 3-methyl-2-butenyl groups attached to the 2 position. 4-Cyclopentene-1,3-dione, 4,5-dihydroxy-2,2-bis(3-methyl-2-butenyl)- is characterized by its unique structure, which includes a cyclopentene ring and two unsaturated side chains. It is synthesized through various chemical reactions and is used in the production of certain pharmaceuticals and other organic compounds. Due to its specific functional groups and structural features, it has potential applications in the fields of chemistry and materials science.

1891-42-5

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1891-42-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1891-42-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,8,9 and 1 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1891-42:
(6*1)+(5*8)+(4*9)+(3*1)+(2*4)+(1*2)=95
95 % 10 = 5
So 1891-42-5 is a valid CAS Registry Number.

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  • (01090595)  Hulupinicacid  primary pharmaceutical reference standard

  • 1891-42-5

  • 01090595-10MG

  • 8,455.59CNY

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