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1026639-32-6

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1026639-32-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1026639-32-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,6,6,3 and 9 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1026639-32:
(9*1)+(8*0)+(7*2)+(6*6)+(5*6)+(4*3)+(3*9)+(2*3)+(1*2)=136
136 % 10 = 6
So 1026639-32-6 is a valid CAS Registry Number.

1026639-32-6Downstream Products

1026639-32-6Relevant articles and documents

Enantioselective synthesis of cuparane sesquiterpenes. Synthesis of (-)-cuparene and (-)-δ-cuparenol

Abad, Antonio,Agullo, Consuelo,Arno, Manuel,Cunat, Ana C.,Garcia, M. Teresa,Zaragoza, Ramon J.

, p. 5916 - 5919 (2007/10/03)

(-)-Cuparene and (-)-δ-cuparenol, two cuparane-type sesquiterpenoids, were synthesized from β-cyclogeraniol in 47% and 27% overall yield, respectively, using a Katsuki-Sharpless asymmetric epoxidation, a pinacollic rearrangement, and a Robinson annulation as key synthetic steps.

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